Writing about developer relations, AI, and the voice industry.https://lukeocodes.dev/enhttps://lukeocodes.dev/gpt-6-astra-agi-erahttps://lukeocodes.dev/gpt-6-astra-agi-eraOpenAI shipped GPT-6 Astra, its first model to clear the critical cybersecurity bar, and declared the AGI era open as three rivals launched the same week.Mon, 07 Sep 2026 00:00:00 GMTAIIndustryNewshttps://lukeocodes.dev/til-finding-files-fast-with-fdhttps://lukeocodes.dev/til-finding-files-fast-with-fdfd is a gitignore-aware, colourful replacement for find. One command locates files by name, type, or extension, and it runs fast out of the box.Tue, 25 Aug 2026 00:00:00 GMTTILDeveloper ExperienceOpen Sourcehttps://lukeocodes.dev/this-last-week-in-ai-august-22-2026https://lukeocodes.dev/this-last-week-in-ai-august-22-2026The week of August 22, 2026 brought MIT-licensed open frontier weights, sovereign inference, and live US and EU AI rules.Sat, 22 Aug 2026 00:00:00 GMTAINewsOpen Weightshttps://lukeocodes.dev/cursor-agent-deleted-production-databasehttps://lukeocodes.dev/cursor-agent-deleted-production-databaseA Cursor agent hit a credential error, grabbed an unrelated token, and deleted a production database and all backups in 9 seconds. Then it confessed.Fri, 21 Aug 2026 00:00:00 GMTAIDeveloper ExperienceSecurityhttps://lukeocodes.dev/when-ai-agents-started-reading-your-docshttps://lukeocodes.dev/when-ai-agents-started-reading-your-docsDocs-as-code served one reader for a decade: developers. Then the LLM started reading first. How llms.txt and MCP rewrote the rulebook, and what survived.Thu, 20 Aug 2026 00:00:00 GMTDeveloper ExperienceAPIAIhttps://lukeocodes.dev/the-attribution-paradoxhttps://lukeocodes.dev/the-attribution-paradoxPlatform teams that spend all capacity executing and none measuring get wound down as experiments. Instrumentation is a launch requirement.Wed, 19 Aug 2026 00:00:00 GMTDeveloper ExperienceAPIEngineeringhttps://lukeocodes.dev/friday-fun-chatbot-farmer-cropshttps://lukeocodes.dev/friday-fun-chatbot-farmer-cropsA Chinese farmer asked a chatbot how to protect his sesame crop. It prescribed a broadleaf herbicide. Sesame is a broadleaf. 100,000 square meters gone.Fri, 14 Aug 2026 00:00:00 GMTAIFunhttps://lukeocodes.dev/i-thought-i-knew-apis-then-i-met-audiohttps://lukeocodes.dev/i-thought-i-knew-apis-then-i-met-audioREST APIs felt easy, even with HATEOAS. Streaming audio broke that. The destination is HTTP/2 bidirectional streaming: feedback while you still get audio.Thu, 13 Aug 2026 00:00:00 GMTCareerDeveloper ExperienceVoice AIhttps://lukeocodes.dev/full-duplex-voice-ai-new-architecturehttps://lukeocodes.dev/full-duplex-voice-ai-new-architectureThe PACE paper exposes a fundamental flaw in LLM voice dialogue: the model sees context the user never heard. Full-duplex voice needs a new architecture, not just faster TTS.Wed, 12 Aug 2026 00:00:00 GMTVoice AIEngineeringLatencyhttps://lukeocodes.dev/til-github-actions-self-reference-syntaxhttps://lukeocodes.dev/til-github-actions-self-reference-syntaxReference actions and workflows in the same repo using $/ syntax. Sibling actions match the running commit automatically, no hardcoded versions.Tue, 11 Aug 2026 00:00:00 GMTTILGitHubEngineeringhttps://lukeocodes.dev/ai-models-escape-testinghttps://lukeocodes.dev/ai-models-escape-testingOpenAI slowed Astra over security fears. Meta, Anthropic, and Moonshot all disclosed models that hacked real systems. A tracker called Felony Bench appeared.Mon, 10 Aug 2026 00:00:00 GMTAINewsSecurityhttps://lukeocodes.dev/sunday-roundup-august-3-8-2026https://lukeocodes.dev/sunday-roundup-august-3-8-2026Six posts this week. EU watermarking, emotion prompts, open source voice agents, AI coding one year on, a raccoon heist game, and the AI industry roundup.Sun, 09 Aug 2026 00:00:00 GMTVoice AITTSAIhttps://lukeocodes.dev/ai-industry-this-week-new-browsers-new-standardshttps://lukeocodes.dev/ai-industry-this-week-new-browsers-new-standardsCloudflare launched a browser for AI agents. Amazon and OpenAI unified plugin packaging. Five stories from This Last Week in AI.Sat, 08 Aug 2026 00:00:00 GMTAINewsOpinionhttps://lukeocodes.dev/claude-fable-5-raccoon-heist-gamehttps://lukeocodes.dev/claude-fable-5-raccoon-heist-gameSimon Willison built a raccoon heist game with Claude Fable 5 from a 2022 tweet. One prompt, two images, and the model shipped a full 3D browser game.Fri, 07 Aug 2026 00:00:00 GMTAIEngineeringhttps://lukeocodes.dev/ai-coding-one-year-laterhttps://lukeocodes.dev/ai-coding-one-year-laterThrowback Thursday. A year ago the best coding model had 200K context and scored 49% on SWE-bench. Today Claude Fable 5 scores 95% with 1M context. Here's the gap model by model.Thu, 06 Aug 2026 00:00:00 GMTAIEngineeringOpinionhttps://lukeocodes.dev/open-source-voice-agents-hermes-v020https://lukeocodes.dev/open-source-voice-agents-hermes-v020Hermes Agent v0.20.0 brings streaming TTS, barge-in, on-device wake words, and pluggable STT/TTS to open source voice agents. Released August 3, 2026.Wed, 05 Aug 2026 00:00:00 GMTVoice AIVoice AgentsOpen SourceReleasehttps://lukeocodes.dev/til-ffmpeg-waveform-visualisationhttps://lukeocodes.dev/til-ffmpeg-waveform-visualisationffmpeg generates a waveform PNG from any audio file. Visualise silence gaps, volume levels, and speech patterns without a DAW.Tue, 04 Aug 2026 00:00:00 GMTTILEngineeringTTShttps://lukeocodes.dev/voice-emotion-control-kakao-kanana-ohttps://lukeocodes.dev/voice-emotion-control-kakao-kanana-oVoice emotion control is moving to natural language prompts. Kakao's Kanana-o scores 94.50 on the Korean InstructTTSEval benchmark.Tue, 04 Aug 2026 00:00:00 GMTVoice AITTSOpinionhttps://lukeocodes.dev/eu-ai-act-voice-watermarkinghttps://lukeocodes.dev/eu-ai-act-voice-watermarkingEU AI Act voice watermarking rules took effect August 2, 2026. What TTS providers and voice developers must do to stay compliant.Mon, 03 Aug 2026 00:00:00 GMTVoice AISecurityTTShttps://lukeocodes.dev/websocket-vs-rest-tts-voice-agentshttps://lukeocodes.dev/websocket-vs-rest-tts-voice-agentsChoosing between WebSocket and REST for your streaming TTS API changes your voice agent's latency floor. Here is how to pick the right protocol.Sun, 02 Aug 2026 00:00:00 GMTTTSVoice AgentsStreamingAPI DesignLatencyhttps://lukeocodes.dev/smallest-ai-series-a-voice-4-0https://lukeocodes.dev/smallest-ai-series-a-voice-4-0Smallest.ai closed a $13M Series A for Voice 4.0 and Hydra. Their bet is that fast real-time agents need small speech models, not big LLMs.Sat, 01 Aug 2026 00:00:00 GMTVoice AIFundingSpeech-to-SpeechOpinionTTShttps://lukeocodes.dev/gpt-transcribe-context-hintshttps://lukeocodes.dev/gpt-transcribe-context-hintsOpenAI's GPT-Transcribe launched July 29, 2026 with prompt, keyword, and language hints. Free-form context lifted accuracy from 38.5% to 44.6%.Fri, 31 Jul 2026 00:00:00 GMTSpeech-to-TextVoice AIAPI DesignOpenAIOpinionhttps://lukeocodes.dev/grok-voice-2-price-risehttps://lukeocodes.dev/grok-voice-2-price-riseGrok Voice Think Fast 2.0 launched July 29, 2026 at $0.08/min, up from $0.05. On August 5 the grok-voice-latest alias migrates you automatically.Thu, 30 Jul 2026 00:00:00 GMTVoice AIVoice AgentsSpeech-to-SpeechAPI DesignOpinionhttps://lukeocodes.dev/fish-audio-52m-seed-s21-prohttps://lukeocodes.dev/fish-audio-52m-seed-s21-proFish Audio raised a $52M seed on July 28, 2026 with $21M ARR and 8M users. Its new S2.1 Pro model is closed, API-only. What that shift means for TTS.Wed, 29 Jul 2026 00:00:00 GMTTTSVoice AIFundingOpen WeightsOpinionhttps://lukeocodes.dev/git-history-fixuphttps://lukeocodes.dev/git-history-fixupGit 2.55's experimental git history fixup folds staged changes into an earlier commit in one command. I built it from source and ran it.Tue, 28 Jul 2026 00:00:00 GMTTILGitEngineeringhttps://lukeocodes.dev/openai-presence-voice-agentshttps://lukeocodes.dev/openai-presence-voice-agentsOpenAI Presence deploys enterprise voice and chat agents, but only via OpenAI's own engineers. No API, no pricing, no self-serve. What that means.Tue, 28 Jul 2026 00:00:00 GMTVoice AIVoice AgentsOpinionhttps://lukeocodes.dev/agentforger-one-link-forges-insiderhttps://lukeocodes.dev/agentforger-one-link-forges-insiderZenity disclosed AgentForger, a ChatGPT Workspace Agents flaw where one phishing link forged a persistent AI insider. OpenAI fixed it in four days.Mon, 27 Jul 2026 00:00:00 GMTAISecurityOpinionhttps://lukeocodes.dev/k3-weights-drop-washington-distillationhttps://lukeocodes.dev/k3-weights-drop-washington-distillationMoonshot ships Kimi K3's 2.8 trillion parameter weights days after the US floated a ban and accused it of distilling Anthropic's Fable.Mon, 27 Jul 2026 00:00:00 GMTAIOpinionhttps://lukeocodes.dev/what-a-week-at-speechifyhttps://lukeocodes.dev/what-a-week-at-speechifySimba went multilingual, streaming got timestamps, voice agents learned to switch languages mid-call. Qwen took the crown. MCP broke everything.Sun, 26 Jul 2026 00:00:00 GMTVoice AITTSAPIhttps://lukeocodes.dev/mai-voice-flash-opus-5-and-a-red-linehttps://lukeocodes.dev/mai-voice-flash-opus-5-and-a-red-lineMicrosoft MAI-Voice-2-Flash enters TTS at $15/M. Anthropic ships Opus 5 at half Fable's cost. OpenAI faces red-line questions after Hugging Face.Sat, 25 Jul 2026 00:00:00 GMTVoice AITTSIndustryhttps://lukeocodes.dev/mcp-goes-statelesshttps://lukeocodes.dev/mcp-goes-statelessThe MCP 2026-07-28 spec removes the initialize handshake and session IDs. I read the release candidate and wrote a stateless handler.Fri, 24 Jul 2026 00:00:00 GMTAIEngineeringMCPhttps://lukeocodes.dev/guardrails-locked-out-the-defendershttps://lukeocodes.dev/guardrails-locked-out-the-defendersWhen an AI agent breached Hugging Face, responders reached for frontier models to analyse the attack and got refused. The attacker didn't.Thu, 23 Jul 2026 00:00:00 GMTAISecurityOpinionhttps://lukeocodes.dev/open-weights-eating-ai-best-open-tts-modelshttps://lukeocodes.dev/open-weights-eating-ai-best-open-tts-modelsDeepSeek V4 and Kimi K3 made this the biggest open-weight week AI has had. Here are the 7 best open TTS models, and the gap nobody mentions.Thu, 23 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/fortnite-real-time-tts-deployment-gaminghttps://lukeocodes.dev/fortnite-real-time-tts-deployment-gamingEpic Games gives 36 Fortnite characters AI voices on July 30, 2026, making it the biggest real-time TTS deployment gaming has seen.Wed, 22 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/five-voice-ai-stories-mid-july-2026https://lukeocodes.dev/five-voice-ai-stories-mid-july-2026Mid-July 2026 gave voice AI a new leaderboard king, a 70% Google price cut, a $22 billion valuation rumour, and an AI Gene Wilder.Tue, 21 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/qwen-audio-3-0-tts-plus-reviewhttps://lukeocodes.dev/qwen-audio-3-0-tts-plus-reviewAlibaba's Qwen-Audio-3.0-TTS-Plus tops the Artificial Analysis Speech Arena at 1,236 Elo from 1,305 blind votes. A review of what that buys.Tue, 21 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/the-rules-for-synthetic-voiceshttps://lukeocodes.dev/the-rules-for-synthetic-voicesIn one week, synthetic voices got rules at three layers of the stack: a TikTok Shop ban, platform policy, and government regulation.Mon, 20 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/brussels-handed-voice-assistant-google-would-never-sellhttps://lukeocodes.dev/brussels-handed-voice-assistant-google-would-never-sellThe EU's Digital Markets Act decisions of July 16, 2026 order Google to open Android to rival AI assistants, with certified voice access.Sat, 18 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/amd-text-to-speech-local-ai-stackhttps://lukeocodes.dev/amd-text-to-speech-local-ai-stackAMD's Lemonade 11.0 puts text-to-speech in the local AI stack by default: an OpenMOSS backend, voice cloning, and a dedicated TTS panel.Fri, 17 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/listeners-voted-ai-voices-wonhttps://lukeocodes.dev/listeners-voted-ai-voices-wonTwo mid-July 2026 studies found ordinary listeners can't reliably tell AI voices from human ones, and sometimes prefer the synthetic option.Thu, 16 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/tts-quality-no-single-numberhttps://lukeocodes.dev/tts-quality-no-single-numberTTS quality has no single metric. MOS scores cluster, Elo only tests short English clips, and TTS WER measures a different thing than STT. Here is how to actually evaluate.Wed, 15 Jul 2026 00:00:00 GMTTTSVoice AIAPI DesignDeveloper ExperienceOpinionhttps://lukeocodes.dev/til-tts-voices-curlhttps://lukeocodes.dev/til-tts-voices-curlOne curl command to compare TTS voice output side by side before you write any integration code. Handy for prototyping or auditing voice quality.Tue, 14 Jul 2026 00:00:00 GMTTILTTSAPIhttps://lukeocodes.dev/un-geneva-gpt-5-6-ai-governancehttps://lukeocodes.dev/un-geneva-gpt-5-6-ai-governanceThe first UN AI governance dialogue brought 169 countries to Geneva as GPT-5.6 went public. Meta launched Muse Image and immediately faced a privacy backlash.Mon, 13 Jul 2026 00:00:00 GMTAIIndustryNewshttps://lukeocodes.dev/voice-ai-worth-billions-speech-nearly-freehttps://lukeocodes.dev/voice-ai-worth-billions-speech-nearly-freeIn two weeks of July 2026, ElevenLabs talked a $22 billion tender offer and Gradium raised $100 million while speech itself got nearly free.Sun, 12 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/gene-wilder-voice-back-paperworkhttps://lukeocodes.dev/gene-wilder-voice-back-paperworkNetflix is using an AI recreation of Gene Wilder’s voice in “Wonka’s The Golden Ticket,” a nine-episode reality competition [premiering September 23,…Sat, 11 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/gpt-live-failed-first-viral-testhttps://lukeocodes.dev/gpt-live-failed-first-viral-testOpenAI's GPT-Live launched July 8 and the internet found its weak spot in hours. TikToker Husk broke it with a spelling test, and the full-duplex interruptions are already a meme.Fri, 10 Jul 2026 00:00:00 GMTVoice AITTSOpinionhttps://lukeocodes.dev/openai-best-voice-model-developers-cant-touchhttps://lukeocodes.dev/openai-best-voice-model-developers-cant-touchOpenAI's GPT-Live-1 full-duplex voice models replaced Advanced Voice Mode in ChatGPT on July 8, 2026, but developers get no API access.Thu, 09 Jul 2026 00:00:00 GMTVoice AIhttps://lukeocodes.dev/pipecat-vs-livekit-agents-comparisonhttps://lukeocodes.dev/pipecat-vs-livekit-agents-comparisonTwo open-source frameworks dominate production voice agents. They solve different stack layers and picking wrong means a rewrite. Here is how to decide.Wed, 08 Jul 2026 00:00:00 GMTVoice AIVoice AgentsDeveloper Experiencehttps://lukeocodes.dev/grok-voice-21-new-voices-price-pointhttps://lukeocodes.dev/grok-voice-21-new-voices-price-pointxAI added 21 multilingual voices, voice cloning from one minute of audio, and a no-code agent builder to Grok Voice at $0.05 per minute of audio. Here's what that means for the voice AI market.Tue, 07 Jul 2026 00:00:00 GMTVoice AITTSVoice AgentsOpinionhttps://lukeocodes.dev/open-source-tts-edits-words-after-recordinghttps://lukeocodes.dev/open-source-tts-edits-words-after-recordingViiTorVoice-NAR is an open-source TTS model that can replace individual words inside finished audio without regenerating the surrounding content. It also clones voices without needing a transcript.Tue, 07 Jul 2026 00:00:00 GMTVoice AITTSOpen SourceSecurityhttps://lukeocodes.dev/til-sox-play-terminal-audiohttps://lukeocodes.dev/til-sox-play-terminal-audioplay (from SoX) plays any audio file through your speakers with one command. No media player needed when you are already in the terminal.Tue, 07 Jul 2026 00:00:00 GMTTILEngineeringTTShttps://lukeocodes.dev/pricing-wars-are-good-for-developershttps://lukeocodes.dev/pricing-wars-are-good-for-developersThree TTS providers changed pricing in the same week. The trend is clear and it benefits everyone building with voice AI.Mon, 06 Jul 2026 00:00:00 GMTOpinionTTShttps://lukeocodes.dev/building-a-writing-routine-that-workshttps://lukeocodes.dev/building-a-writing-routine-that-worksAfter years of inconsistent publishing, a daily writing habit finally clicked. Here is what changed.Sun, 05 Jul 2026 00:00:00 GMTDeveloper Experiencehttps://lukeocodes.dev/finding-the-rhythm-first-impressionshttps://lukeocodes.dev/finding-the-rhythm-first-impressionsTwo weeks in, the patterns are becoming visible. What surprised me, what I was right about, and what I'm still figuring out about developer relations in a new AI domain.Sun, 05 Jul 2026 00:00:00 GMTDeveloper ExperienceOpinionhttps://lukeocodes.dev/lessons-from-my-first-two-weeks-in-voice-aihttps://lukeocodes.dev/lessons-from-my-first-two-weeks-in-voice-aiSwitching from speech-to-text to text-to-speech meant learning a new community, a new set of constraints, and a new definition of quality.Sun, 05 Jul 2026 00:00:00 GMTDeveloper ExperienceOpinionhttps://lukeocodes.dev/onboarding-at-a-new-company-what-i-wish-id-knownhttps://lukeocodes.dev/onboarding-at-a-new-company-what-i-wish-id-knownStarting a new DevRel role after years at the same company comes with a specific set of challenges nobody warns you about.Sun, 05 Jul 2026 00:00:00 GMTDeveloper ExperienceCareerhttps://lukeocodes.dev/voice-ai-industry-thoughts-mid-2026https://lukeocodes.dev/voice-ai-industry-thoughts-mid-2026Quality convergence, pricing pressure, open-weight models, and the regulatory shift. The voice AI landscape halfway through 2026.Sun, 05 Jul 2026 00:00:00 GMTVoice AIOpinionhttps://lukeocodes.dev/what-surprised-me-about-tts-api-designhttps://lukeocodes.dev/what-surprised-me-about-tts-api-designAfter years of building with speech-to-text APIs, switching to text-to-speech revealed design patterns I had never thought about.Sun, 05 Jul 2026 00:00:00 GMTAPI DesignTTShttps://lukeocodes.dev/working-in-public-vs-working-in-privatehttps://lukeocodes.dev/working-in-public-vs-working-in-privateDeveloper relations means producing content in public while the product is being built in private. That tension is harder to manage than I expected.Sun, 05 Jul 2026 00:00:00 GMTDeveloper ExperienceCareerhttps://lukeocodes.dev/five-voice-ai-stories-start-of-july-2026https://lukeocodes.dev/five-voice-ai-stories-start-of-july-2026OpenAI shipped voice reasoning, Anthropic models returned, ElevenLabs hit $22B, Deepgram went multilingual, and Google taught Gemini to use a computer.Sat, 04 Jul 2026 00:00:00 GMTVoice AINewsTTSAPIhttps://lukeocodes.dev/someone-asked-chatgpt-to-screamhttps://lukeocodes.dev/someone-asked-chatgpt-to-screamA viral TikTok showed ChatGPT's Advanced Voice Mode screaming on command. Two screeches, one awkward silence, and a lot of questions about what we just watched.Fri, 03 Jul 2026 00:00:00 GMTAIVoice AIhttps://lukeocodes.dev/what-voice-agent-pricing-revealshttps://lukeocodes.dev/what-voice-agent-pricing-revealsVoice agent platform pricing tells you more than cost. The pricing model reveals which layer of the stack each platform owns and what trade-offs you inherit.Thu, 02 Jul 2026 00:00:00 GMTVoice AIVoice AgentsAPI DesignIndustryOpinionhttps://lukeocodes.dev/qwen-audio-3-0-tts-flash-alibabahttps://lukeocodes.dev/qwen-audio-3-0-tts-flash-alibabaAlibaba's Qwen-Audio-3.0-TTS Flash targets the real-time TTS market on price and latency. What it means for voice developers and the API field.Wed, 01 Jul 2026 00:00:00 GMTAITTSAPIhttps://lukeocodes.dev/til-clone-voice-speechify-apihttps://lukeocodes.dev/til-clone-voice-speechify-apiThe Speechify API creates a cloned voice from a 10-second audio sample with a single POST, returning a voice ID that works on any speech endpoint you already use.Tue, 30 Jun 2026 00:00:00 GMTTILTTSAPIhttps://lukeocodes.dev/frontier-models-now-under-government-reviewhttps://lukeocodes.dev/frontier-models-now-under-government-reviewOpenAI released GPT-5.6 to 20 government-approved partners, Anthropic restored Mythos 5 to critical infrastructure, and a new AI review regime went live.Mon, 29 Jun 2026 00:00:00 GMTAIIndustryNewshttps://lukeocodes.dev/notes-from-my-first-week-at-speechifyhttps://lukeocodes.dev/notes-from-my-first-week-at-speechifyFirst week as Speechify's Head of DevRel: a TTS cookbook, two developer guides, and watching AI shift to government-gated releases.Sun, 28 Jun 2026 00:00:00 GMTDeveloper ExperienceVoice AIIndustryhttps://lukeocodes.dev/voice-cloning-open-source-enterprise-voice-agentshttps://lukeocodes.dev/voice-cloning-open-source-enterprise-voice-agentsNetEase open-sourced voice cloning from 3 seconds of audio. ElevenLabs partnered with IBM and added SynthID. Coval raised $28M. UK laws are unfit.Sat, 27 Jun 2026 00:00:00 GMTVoice AITTSIndustryAnnouncementhttps://lukeocodes.dev/my-voice-cloned-day-one-speechifyhttps://lukeocodes.dev/my-voice-cloned-day-one-speechifyDay one at Speechify and my voice was cloned before I finished onboarding. Hearing yourself through a TTS engine is a rite of passage I was not ready for.Fri, 26 Jun 2026 00:00:00 GMTVoice AITTShttps://lukeocodes.dev/voice-ai-competition-shifted-from-models-to-platformshttps://lukeocodes.dev/voice-ai-competition-shifted-from-models-to-platformsTTS model quality converged by June 2026. The real competitive moat shifted to developer experience, platform integration, and compliance tooling.Thu, 25 Jun 2026 00:00:00 GMTVoice AITTSIndustryDeveloper Experiencehttps://lukeocodes.dev/tts-latency-time-to-first-audiohttps://lukeocodes.dev/tts-latency-time-to-first-audioA deep dive into Time to First Audio, the metric that defines voice agent responsiveness, and what happens in the latency pipeline from text to speech.Wed, 24 Jun 2026 00:00:00 GMTVoice AITTSDeveloper Experiencehttps://lukeocodes.dev/til-speech-marks-speechify-apihttps://lukeocodes.dev/til-speech-marks-speechify-apiEvery Speechify TTS response includes word-level timing data alongside the audio. Here is how to read speech marks and what you can do with them.Tue, 23 Jun 2026 00:00:00 GMTTILTTSAPIDeveloper Experiencehttps://lukeocodes.dev/inference-costs-dropping-changes-everythinghttps://lukeocodes.dev/inference-costs-dropping-changes-everythingOpenAI's custom chip, SpaceX compute deals, and falling token prices are driving down the cost of running AI models faster than most developers realise.Mon, 22 Jun 2026 00:00:00 GMTAIIndustryNewshttps://lukeocodes.dev/six-stories-shaping-voice-ai-mid-june-2026https://lukeocodes.dev/six-stories-shaping-voice-ai-mid-june-2026Microsoft MAI-Voice-2, Google live translation, DeepL bought Mixhalo, and open-weight TTS models kept shrinking. Six stories from a busy month in voice AI.Sat, 20 Jun 2026 00:00:00 GMTVoice AITTSIndustryhttps://lukeocodes.dev/when-speech-to-text-hears-something-elsehttps://lukeocodes.dev/when-speech-to-text-hears-something-elseThe funniest and weirdest STT transcriptions from real Deepgram API usage. Some are bugs, some are features, and every single one made me laugh.Fri, 19 Jun 2026 00:00:00 GMTDeveloper ExperienceVoice AIhttps://lukeocodes.dev/voice-data-residency-decides-where-your-agent-runshttps://lukeocodes.dev/voice-data-residency-decides-where-your-agent-runsVoice data residency decides where speech APIs process audio. Deepgram Australia went live June 17, 2026, shaping how teams pick STT and TTS providers.Thu, 18 Jun 2026 00:00:00 GMTVoice AISpeech-to-TextTTSIndustryhttps://lukeocodes.dev/streaming-tts-rethinking-audio-pipelinehttps://lukeocodes.dev/streaming-tts-rethinking-audio-pipelineStreaming TTS changes what voice applications expect from audio APIs. Time-to-first-byte drops, complexity moves into buffer management and chunk boundaries, and knowing when streaming isn't the answer matters just as much.Wed, 17 Jun 2026 00:00:00 GMTVoice AITTSDeveloper Experiencehttps://lukeocodes.dev/a-rising-tide-lifts-all-boatshttps://lukeocodes.dev/a-rising-tide-lifts-all-boatsI used AI to help edit this article. The experiences, arguments, disappointments, and frustrations are mine. Every example is real.Tue, 16 Jun 2026 00:00:00 GMThttps://lukeocodes.dev/export-controls-took-down-claude-fable-5https://lukeocodes.dev/export-controls-took-down-claude-fable-5An export control directive shut down Claude Fable 5 globally. The first government shutdown of a deployed AI model and what developers should know.Mon, 15 Jun 2026 00:00:00 GMTAIIndustryNewshttps://lukeocodes.dev/a-frontier-model-goes-dark-voice-ai-keeps-movinghttps://lukeocodes.dev/a-frontier-model-goes-dark-voice-ai-keeps-movingClaude Fable 5 was shut down by government directive 72 hours after launch. Microsoft's voice stack shipped at Build. Deepgram kept shipping infrastructure. A roundup of the week.Sun, 14 Jun 2026 00:00:00 GMTAIIndustryNewshttps://lukeocodes.dev/anthropic-ipo-nvidia-open-weights-ai-36b-bethttps://lukeocodes.dev/anthropic-ipo-nvidia-open-weights-ai-36b-betFable 5 ate the news cycle, but that same week saw Anthropic's IPO, NVIDIA's open model, and a chip deal reshaping AI finance.Sat, 13 Jun 2026 00:00:00 GMTAIIndustryNewshttps://lukeocodes.dev/when-your-voice-agent-cant-understand-an-accenthttps://lukeocodes.dev/when-your-voice-agent-cant-understand-an-accentMcDonald's pulled its AI drive-thru pilot in 2024 because it couldn't handle regional accents. By mid-2026, the industry was still figuring out why.Fri, 12 Jun 2026 00:00:00 GMTVoice AIDeveloper ExperienceOpinionhttps://lukeocodes.dev/three-stt-strategies-one-markethttps://lukeocodes.dev/three-stt-strategies-one-marketBy June 2026 every major STT provider hit acceptable accuracy. The real competition moved to multilingual support, turn detection and platform integration.Thu, 11 Jun 2026 00:00:00 GMTVoice AISpeech-to-TextIndustryhttps://lukeocodes.dev/inside-the-voice-agent-pipelinehttps://lukeocodes.dev/inside-the-voice-agent-pipelineHow STT transcribes audio, an LLM generates responses, and streaming TTS speaks them back. A technical breakdown of the real-time pipeline behind voice agents in 2026.Wed, 10 Jun 2026 00:00:00 GMTVoice AIDeveloper Experiencehttps://lukeocodes.dev/til-flux-turn-detection-deepgramhttps://lukeocodes.dev/til-flux-turn-detection-deepgramDeepgram Flux turn detection replaces VAD and silence timeouts with model-native EndOfTurn events. A single WebSocket config parameter simplifies voice agent turn-taking.Tue, 09 Jun 2026 00:00:00 GMTVoice AISpeech-to-TextTILhttps://lukeocodes.dev/microsoft-mai-stanford-ai-index-580-billionhttps://lukeocodes.dev/microsoft-mai-stanford-ai-index-580-billionAI funding hit $581.7B in 2025. Microsoft shipped 7 MAI models. Apple chose privacy at WWDC. Deepgram kept shipping. Stories from a week that shifted AI.Mon, 08 Jun 2026 00:00:00 GMTAINewsIndustryhttps://lukeocodes.dev/sunday-roundup-afterthoughts-on-productivity-and-pacehttps://lukeocodes.dev/sunday-roundup-afterthoughts-on-productivity-and-paceA short Sunday roundup reflecting on this week's post about ADHD and productivity, what Deepgram shipped, and what's coming next week on lukeocodes.dev.Sun, 07 Jun 2026 00:00:00 GMTDeveloper ExperienceCareerhttps://lukeocodes.dev/six-tools-production-voice-agentshttps://lukeocodes.dev/six-tools-production-voice-agentsBuilding a production voice agent takes more than an API key. Here are six tools I reached for daily at Deepgram, from streaming STT to async Python.Sat, 06 Jun 2026 00:00:00 GMTDeveloper ExperienceEngineeringAIAPIhttps://lukeocodes.dev/testing-voice-ai-publichttps://lukeocodes.dev/testing-voice-ai-publicBuilding voice AI means reading test sentences aloud in coffee shops, on trains, and in meetings you forgot to mute. It looks as ridiculous as it sounds.Fri, 05 Jun 2026 00:00:00 GMTVoice AIDeveloper Experiencehttps://lukeocodes.dev/im-not-apologising-for-being-productivehttps://lukeocodes.dev/im-not-apologising-for-being-productiveBy age ten, a child with ADHD has received an estimated 20,000 more corrective or negative messages than their neurotypical peers.Thu, 04 Jun 2026 00:00:00 GMThttps://lukeocodes.dev/when-sdks-write-themselveshttps://lukeocodes.dev/when-sdks-write-themselvesDeepgram switched from hand-rolled SDKs to spec-first generation with Fern. Here is what that looked like across five languages and how it changed shipping voice APIs.Wed, 03 Jun 2026 00:00:00 GMTDeveloper ExperienceAPI DesignVoice AIEngineeringhttps://lukeocodes.dev/til-base64-inline-audiohttps://lukeocodes.dev/til-base64-inline-audiobase64 encodes any file into text-safe output. Embed small audio clips or images inline in JSON payloads without hosting them somewhere.Tue, 02 Jun 2026 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-deepgram-keyterm-promptinghttps://lukeocodes.dev/til-deepgram-keyterm-promptingImprove transcription accuracy for specialised terminology, product names, and technical jargon using Deepgram's keyterm prompting. One parameter that changes what the model hears.Tue, 02 Jun 2026 00:00:00 GMTTILSpeech-to-TextAPIhttps://lukeocodes.dev/enterprise-ai-spending-37bhttps://lukeocodes.dev/enterprise-ai-spending-37bEnterprise generative AI spending hit $37 billion in 2025, up 3.2x from the prior year. The trend reshaping the industry faster than any model release.Mon, 01 Jun 2026 00:00:00 GMTAIIndustryFundinghttps://lukeocodes.dev/sunday-roundup-may-25-31-2026https://lukeocodes.dev/sunday-roundup-may-25-31-2026Two posts from late May: multilingual voice agent costs and why contribution guides exclude new contributors. Plus what else was happening in AI that week.Sun, 31 May 2026 00:00:00 GMTVoice AIDeveloper ExperienceAIhttps://lukeocodes.dev/5-command-line-tools-for-shipping-voice-agentshttps://lukeocodes.dev/5-command-line-tools-for-shipping-voice-agentsBuilding voice agents means living in a terminal. Here are five CLI tools I use every day for audio debugging, API testing, and latency measurement.Sat, 30 May 2026 00:00:00 GMTDeveloper ExperienceVoice AIEngineeringhttps://lukeocodes.dev/my-zshrc-has-more-aliaseshttps://lukeocodes.dev/my-zshrc-has-more-aliasesI opened my .zshrc for the first time in months and found aliases I don't remember writing, for tools I don't remember installing. This is what I found.Fri, 29 May 2026 00:00:00 GMTDeveloper ExperienceEngineeringhttps://lukeocodes.dev/the-inequity-of-contributing-guideshttps://lukeocodes.dev/the-inequity-of-contributing-guidesYour CONTRIBUTING.md isn't welcoming. It's a gatekeeping document. Most open source contribution guides exclude the people they claim to want.Thu, 28 May 2026 00:00:00 GMThttps://lukeocodes.dev/what-multilingual-voice-agents-costhttps://lukeocodes.dev/what-multilingual-voice-agents-costBuilding a voice agent that handles ten languages without falling over is harder than it sounds. Here's what the architecture actually costs.Wed, 27 May 2026 00:00:00 GMTVoice AIEngineeringDeveloper Experiencehttps://lukeocodes.dev/til-debugging-pipelines-teehttps://lukeocodes.dev/til-debugging-pipelines-teetee reads from stdin and writes to stdout and files at the same time. Debug complex shell pipelines and save intermediate data without breaking the chain.Tue, 26 May 2026 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/when-ai-development-tools-stopped-being-optionalhttps://lukeocodes.dev/when-ai-development-tools-stopped-being-optionalGoogle I/O, Anthropic's London event, and OpenAI GPT-5.5 all landed in the same window. AI development tools crossed from experimental to essential.Mon, 25 May 2026 00:00:00 GMTAIIndustryDeveloper Experiencehttps://lukeocodes.dev/sunday-roundup-may-18-24-2026https://lukeocodes.dev/sunday-roundup-may-18-24-2026One post this week about voice API design. Google I/O and Anthropic's London event reshaped the AI landscape. Here is the roundup.Sun, 24 May 2026 00:00:00 GMTDeveloper ExperienceAPI DesignVoice AIhttps://lukeocodes.dev/5-api-design-decisions-shape-voice-ai-devxhttps://lukeocodes.dev/5-api-design-decisions-shape-voice-ai-devxError payloads, streaming edge cases, and latency limits all shape how developers interact with voice APIs. Here are five patterns I have seen matter most.Sat, 23 May 2026 00:00:00 GMTDeveloper ExperienceAPI DesignVoice AIhttps://lukeocodes.dev/testing-10-languages-macos-sayhttps://lukeocodes.dev/testing-10-languages-macos-sayThe macOS say command generates speech in ten languages. I used it to test a multilingual STT model without installing any audio tooling.Fri, 22 May 2026 00:00:00 GMTTILEngineeringVoice AIhttps://lukeocodes.dev/five-sdks-one-streaming-api-maintenance-retrospectivehttps://lukeocodes.dev/five-sdks-one-streaming-api-maintenance-retrospectiveMaintaining five SDKs for one streaming voice API taught me things about developer experience that no spec review ever could. Here is what I learned.Thu, 21 May 2026 00:00:00 GMTDeveloper ExperienceEngineeringOpen Sourcehttps://lukeocodes.dev/what-nobody-tells-you-about-audio-speech-to-texthttps://lukeocodes.dev/what-nobody-tells-you-about-audio-speech-to-textProduction speech-to-text needs preprocessing sample rate, encoding, and chunk sizes. The docs skip these. Years debugging production STT taught me what matters.Wed, 20 May 2026 00:00:00 GMTDeveloper ExperienceEngineeringVoice AIhttps://lukeocodes.dev/til-stt-curlhttps://lukeocodes.dev/til-stt-curlOne curl command transcribes audio through any REST-based STT API. No SDK, no imports, just your audio file and an API key.Tue, 19 May 2026 00:00:00 GMTTILSpeech-to-TextAPIhttps://lukeocodes.dev/voice-ai-apis-single-call-platformhttps://lukeocodes.dev/voice-ai-apis-single-call-platformThe week of May 11, 2026, three separate announcements pushed voice AI from multi-service pipelines toward unified single-call APIs. Here is what changed and why it matters for developers.Mon, 18 May 2026 00:00:00 GMTVoice AIAPIIndustryhttps://lukeocodes.dev/sunday-roundup-may-11-16-2026https://lukeocodes.dev/sunday-roundup-may-11-16-2026Four posts from the week of May 11: TIL on afinfo, speaker diarization deep dive, Slack culture in remote teams, and ffmpeg for voice AI debugging. Plus what else was happening.Sun, 17 May 2026 00:00:00 GMTDeveloper ExperienceVoice AITTShttps://lukeocodes.dev/5-sdk-anti-patterns-voice-aihttps://lukeocodes.dev/5-sdk-anti-patterns-voice-aiMaintaining SDKs across five languages taught me the same mistakes appear every time. Here are the five patterns I'd redesign first, and why they matter for voice AI.Sat, 16 May 2026 00:00:00 GMTDeveloper ExperienceAPI DesignVoice AIhttps://lukeocodes.dev/ffmpeg-voice-ai-debuggerhttps://lukeocodes.dev/ffmpeg-voice-ai-debuggerThe first time I debugged a voice AI integration, ffmpeg saved me. It is still the most useful tool in my kit, and it is not even designed for voice.Fri, 15 May 2026 00:00:00 GMTDeveloper ExperienceVoice AIEngineeringhttps://lukeocodes.dev/slack-is-your-remote-teams-social-mediahttps://lukeocodes.dev/slack-is-your-remote-teams-social-mediaI've worked remotely for nine years, four and a half at Deepgram. Slack is your remote team's social media, and you should treat it that way.Thu, 14 May 2026 00:00:00 GMThttps://lukeocodes.dev/why-speaker-diarization-hardest-problem-voice-aihttps://lukeocodes.dev/why-speaker-diarization-hardest-problem-voice-aiSpeaker diarization figures out who spoke when. It sounds simple. It is not. Here is why it breaks, and what it takes to get right.Wed, 13 May 2026 00:00:00 GMTVoice AISpeech-to-TextDeveloper ExperienceEngineeringhttps://lukeocodes.dev/til-afinfo-audio-inspectionhttps://lukeocodes.dev/til-afinfo-audio-inspectionafinfo prints every audio file property macOS knows about: sample rate, channels, bit depth, duration, and codec. Essential for debugging STT pipeline issues.Tue, 12 May 2026 00:00:00 GMTTILVoice AIEngineeringhttps://lukeocodes.dev/infrastructure-race-changing-ai-usehttps://lukeocodes.dev/infrastructure-race-changing-ai-useAnthropic's SpaceX deal, OpenAI's new voice models, and record venture funding made the week of May 11 the moment AI infrastructure became the story.Mon, 11 May 2026 00:00:00 GMTAIIndustryNewshttps://lukeocodes.dev/sunday-roundup-may-4-10-2026https://lukeocodes.dev/sunday-roundup-may-4-10-2026One TIL post went up this week. A landmark compute deal reshaped AI infrastructure. Here is the Sunday roundup for May 4-10, 2026.Sun, 10 May 2026 00:00:00 GMTAIIndustryOpinionhttps://lukeocodes.dev/5-developer-experience-wins-voice-ai-toolinghttps://lukeocodes.dev/5-developer-experience-wins-voice-ai-toolingError messages, timeout behavior, and observability patterns separate great voice APIs from frustrating ones. Here are five patterns that matter.Sat, 09 May 2026 00:00:00 GMTDeveloper ExperienceAPI DesignVoice AIhttps://lukeocodes.dev/friday-fun-inspecting-audio-files-terminalhttps://lukeocodes.dev/friday-fun-inspecting-audio-files-terminalsoxi shows audio file metadata like sample rate, duration, and channels from the command line. Inspect files before sending them to any voice API.Fri, 08 May 2026 00:00:00 GMTTILEngineeringVoice AIhttps://lukeocodes.dev/developer-discord-voice-ai-lessonshttps://lukeocodes.dev/developer-discord-voice-ai-lessonsFour years in a voice AI developer community showed me the same problems again and again. Audio format issues, silent failures, and the questions nobody puts in the docs.Thu, 07 May 2026 00:00:00 GMTDeveloper ExperienceVoice AICommunityhttps://lukeocodes.dev/what-makes-voice-ai-sdks-differenthttps://lukeocodes.dev/what-makes-voice-ai-sdks-differentBuilding SDKs for streaming voice APIs means managing WebSocket state, audio buffers, reconnection, and backpressure. REST client patterns break immediately.Wed, 06 May 2026 00:00:00 GMTDeveloper ExperienceVoice AIEngineeringhttps://lukeocodes.dev/til-curl-w-response-timeshttps://lukeocodes.dev/til-curl-w-response-timescurl -w prints timing details like time_total, time_connect, and time_starttransfer after every request. Profile API latency from the terminal.Tue, 05 May 2026 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/ai-model-moat-endhttps://lukeocodes.dev/ai-model-moat-endBy spring 2026, frontier model quality had converged enough that the real competitive advantage shifted to developer experience and API design.Mon, 04 May 2026 00:00:00 GMTAIIndustryAPI Designhttps://lukeocodes.dev/sunday-roundup-may-3-2026https://lukeocodes.dev/sunday-roundup-may-3-2026One post this week on voice AI debugging. Around it: Flux went multilingual, AssemblyAI launched a Voice Agent API, Twilio updated Conversation Relay, and the daily cadence began.Sun, 03 May 2026 00:00:00 GMTVoice AITTSDeveloper Experiencehttps://lukeocodes.dev/5-habits-voice-ai-debugginghttps://lukeocodes.dev/5-habits-voice-ai-debuggingMost voice AI debugging time goes to problems that follow a pattern. Here are five habits I built at Deepgram that catch those patterns before they become incidents.Sat, 02 May 2026 00:00:00 GMTEngineeringDeveloper ExperienceVoice AIhttps://lukeocodes.dev/bat-is-cat-with-syntax-highlightinghttps://lukeocodes.dev/bat-is-cat-with-syntax-highlightingbat shows file contents with syntax highlighting, line numbers, and a pager. It replaces cat with the same muscle memory and a lot more useful output.Fri, 01 May 2026 00:00:00 GMTTILEngineeringOpen Sourcehttps://lukeocodes.dev/invisible-work-voice-ai-sdkshttps://lukeocodes.dev/invisible-work-voice-ai-sdksFour years of maintaining voice AI SDKs across half a dozen languages. The work that never makes the changelog.Thu, 30 Apr 2026 00:00:00 GMTDeveloper ExperienceOpen SourceEngineeringhttps://lukeocodes.dev/how-streaming-speech-recognition-workshttps://lukeocodes.dev/how-streaming-speech-recognition-worksStreaming speech-to-text sends audio chunks over WebSocket. Acoustic models, language models, and decoders explain the latency-accuracy tradeoff.Wed, 29 Apr 2026 00:00:00 GMTEngineeringAISpeech-to-Texthttps://lukeocodes.dev/til-ffprobe-audio-inspectionhttps://lukeocodes.dev/til-ffprobe-audio-inspectionffprobe shows sample rate, channels, duration, and codec of any audio file. Check audio format before sending it to a speech-to-text API.Tue, 28 Apr 2026 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/two-faces-of-ai-progresshttps://lukeocodes.dev/two-faces-of-ai-progressOpenAI shipped persistent workspace agents into production. Anthropic held back Mythos 5. Two answers to the same question: what counts as shipping AI.Mon, 27 Apr 2026 00:00:00 GMTAIIndustryOpinionhttps://lukeocodes.dev/sunday-roundup-april-26-2026https://lukeocodes.dev/sunday-roundup-april-26-2026Announcing the start of daily publishing on lukeocodes.dev. Plus OpenAI workspace agents, Anthropic Mythos 5, and what was happening at Deepgram.Sun, 26 Apr 2026 00:00:00 GMTDeveloper ExperienceVoice AIAIhttps://lukeocodes.dev/5-questions-streaming-api-integrationhttps://lukeocodes.dev/5-questions-streaming-api-integrationConnection drops, backpressure, and wire formats. Five questions I ask every streaming API before building on it, learned from voice AI integrations.Sat, 25 Apr 2026 00:00:00 GMTDeveloper ExperienceAPI DesignEngineeringhttps://lukeocodes.dev/friday-fun-generating-test-tones-voice-aihttps://lukeocodes.dev/friday-fun-generating-test-tones-voice-aisox synth generates test audio files from scratch at any sample rate and duration. No microphone needed for speech API development.Fri, 24 Apr 2026 00:00:00 GMTTILEngineeringVoice AIhttps://lukeocodes.dev/79-til-posts-laterhttps://lukeocodes.dev/79-til-posts-laterSix and a half years of publishing a TIL every month taught me about consistency and developer education in a way no course ever could.Thu, 23 Apr 2026 00:00:00 GMTDeveloper ExperienceCareerhttps://lukeocodes.dev/inside-the-streaming-cascade-powering-voice-aihttps://lukeocodes.dev/inside-the-streaming-cascade-powering-voice-aiReal-time voice agents chain three models over streaming connections. Here's how the cascade architecture works and where every millisecond goes.Wed, 22 Apr 2026 00:00:00 GMTVoice AIEngineeringStreaminghttps://lukeocodes.dev/til-pv-pipe-viewerhttps://lukeocodes.dev/til-pv-pipe-viewerpv (Pipe Viewer) sits between two commands in a pipeline and reports how fast data is moving. It is a progress bar for pipes.Tue, 21 Apr 2026 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/ai-release-cadence-developer-problemhttps://lukeocodes.dev/ai-release-cadence-developer-problemThree frontier models in two weeks. The release cadence creates evaluation churn, integration instability, and fatigue for developers building on AI.Mon, 20 Apr 2026 00:00:00 GMTAIDeveloper ExperienceIndustryhttps://lukeocodes.dev/sunday-roundup-april-19-2026https://lukeocodes.dev/sunday-roundup-april-19-2026Two posts from the first weekend of daily writing on lukeocodes.dev. Terminal STT streaming, WebSocket audio patterns, and GPT-5.4-Cyber.Sun, 19 Apr 2026 00:00:00 GMTDeveloper ExperienceEngineeringVoice AIhttps://lukeocodes.dev/five-websocket-patterns-real-time-audio-streaminghttps://lukeocodes.dev/five-websocket-patterns-real-time-audio-streamingStreaming audio WebSockets need reconnect logic, backpressure, heartbeats, and graceful shutdown. Five patterns covering the full connection lifecycle.Sat, 18 Apr 2026 00:00:00 GMTEngineeringStreamingVoice AIhttps://lukeocodes.dev/friday-fun-live-speech-to-text-terminalhttps://lukeocodes.dev/friday-fun-live-speech-to-text-terminalrec captures mic audio, websocat streams it to a WebSocket STT API, and the terminal shows the transcript in real time. No GUI needed.Fri, 17 Apr 2026 00:00:00 GMTTILEngineeringVoice AIhttps://lukeocodes.dev/sdks-for-streaming-apis-are-differenthttps://lukeocodes.dev/sdks-for-streaming-apis-are-differentREST SDK patterns stop working when your API never closes the connection. Streaming audio needs reconnect logic, backpressure, and graceful shutdown baked in from day one.Thu, 16 Apr 2026 00:00:00 GMTEngineeringAPI DesignStreaminghttps://lukeocodes.dev/til-diff-y-side-by-sidehttps://lukeocodes.dev/til-diff-y-side-by-sidediff -y prints two files side by side with differences highlighted. Spot what changed in a config file without looking at two separate tabs.Tue, 07 Apr 2026 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-ping-latency-testinghttps://lukeocodes.dev/til-ping-latency-testingping -s sends packets larger than the default 56 bytes. Test how your connection handles audio-sized payloads before blaming the API.Tue, 03 Mar 2026 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-tsx-typescript-nodehttps://lukeocodes.dev/til-tsx-typescript-nodetsx executes TypeScript files with zero config using esbuild under the hood. Faster than ts-node and handles ESM and CJS automatically.Tue, 03 Feb 2026 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-shell-chaining-operatorshttps://lukeocodes.dev/til-shell-chaining-operators&& runs next only on success, ; runs unconditionally, || runs only on failure. Choosing the right operator prevents silent cascade failures in CI.Tue, 06 Jan 2026 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-lsof-listening-portshttps://lukeocodes.dev/til-lsof-listening-portslsof -i :PORT shows which process is holding a port. End the 'what is already running on 3000' guessing game for good.Tue, 02 Dec 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-zcat-gzip-streaminghttps://lukeocodes.dev/til-zcat-gzip-streamingzcat pipes decompressed content to stdout without writing a temp file. Read compressed logs, CSVs, or JSON straight into your pipeline.Tue, 04 Nov 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-diff-r-directory-comparisonhttps://lukeocodes.dev/til-diff-r-directory-comparisondiff -r compares two directories recursively, showing every file that differs. Verify that a build output matches between two branches.Tue, 07 Oct 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-mkcert-local-httpshttps://lukeocodes.dev/til-mkcert-local-httpsmkcert creates locally-trusted TLS certificates in one command. Your browser trusts them instantly — no more self-signed cert warnings.Tue, 02 Sep 2025 00:00:00 GMTTILEngineeringSecurityhttps://lukeocodes.dev/til-ts-node-watch-modehttps://lukeocodes.dev/til-ts-node-watch-modets-node compiles and executes TypeScript in memory. No build step needed for quick scripts, REPL sessions, or SDK example testing.Tue, 05 Aug 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-du-disk-usagehttps://lukeocodes.dev/til-du-disk-usagedu -sh gives a human-readable total per directory. Find the largest space hogs on a drive without clicking through a GUI.Tue, 01 Jul 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-sort-u-deduplicatehttps://lukeocodes.dev/til-sort-u-deduplicatesort -u sorts and removes duplicate lines in one pass. Clean up word lists, logs, and API response extracts without writing a script.Tue, 03 Jun 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-column-terminal-tableshttps://lukeocodes.dev/til-column-terminal-tablescolumn -t aligns whitespace-separated data into clean columns. Pipe any command output through it for instantly readable tables.Tue, 06 May 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-wget-recursive-downloadhttps://lukeocodes.dev/til-wget-recursive-downloadwget -r downloads an entire site recursively. Useful for offline reference copies of documentation when you are without internet.Tue, 01 Apr 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-typescript-project-referenceshttps://lukeocodes.dev/til-typescript-project-referencesTypeScript project references let you split a codebase into composable packages. Each reference builds independently and incremental builds get faster.Tue, 04 Mar 2025 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-gh-aliases-github-workflowshttps://lukeocodes.dev/til-gh-aliases-github-workflowsgh alias set maps custom shortcuts to any gh command. Common workflows become two-word commands instead of multi-flag incantations.Tue, 04 Feb 2025 00:00:00 GMTTILGitEngineeringhttps://lukeocodes.dev/til-jq-json-payloads-shellhttps://lukeocodes.dev/til-jq-json-payloads-shelljq constructs valid JSON from variables without string concatenation. No more broken payloads from missing quotes or unescaped characters.Tue, 07 Jan 2025 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/til-openssl-certificate-expiryhttps://lukeocodes.dev/til-openssl-certificate-expiryopenssl connects to any TLS endpoint and prints the certificate details including expiry date. Automate cert monitoring in a cron job.Tue, 03 Dec 2024 00:00:00 GMTTILEngineeringSecurityhttps://lukeocodes.dev/open-letter-aihttps://lukeocodes.dev/open-letter-aiAI is a tool, a hammer. It's not good or bad; it's how we use it. On creativity, programming, and staying human through the next revolution.Fri, 15 Nov 2024 00:00:00 GMTOpen letterAIhttps://lukeocodes.dev/til-hyperfine-benchmarkinghttps://lukeocodes.dev/til-hyperfine-benchmarkinghyperfine runs a command multiple times and reports min, max, mean, and standard deviation. Compare tool performance with statistical confidence.Tue, 05 Nov 2024 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/open-letter-politicshttps://lukeocodes.dev/open-letter-politicsWhy I judge people by their politics, and why staying neutral is a choice too. On democracy, media, and raising two kids in this world.Fri, 01 Nov 2024 00:00:00 GMTOpen letterPoliticshttps://lukeocodes.dev/til-tree-directory-structurehttps://lukeocodes.dev/til-tree-directory-structuretree prints a directory as a nested tree diagram. Perfect for documenting project layouts in READMEs or during onboarding walkthroughs.Tue, 01 Oct 2024 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-git-add-p-interactivehttps://lukeocodes.dev/til-git-add-p-interactivegit add -p shows each change hunk by hunk and asks whether to stage it. Commit only the relevant parts of a messy working tree.Tue, 03 Sep 2024 00:00:00 GMTTILGitEngineeringhttps://lukeocodes.dev/til-entr-auto-commandshttps://lukeocodes.dev/til-entr-auto-commandsentr runs a command every time a watched file changes. Pipe a list of files in, get automatic re-runs out. Lighter than nodemon.Tue, 06 Aug 2024 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-podman-docker-alternativehttps://lukeocodes.dev/til-podman-docker-alternativePodman runs OCI containers with the same CLI as Docker but daemonless and rootless by default. No Docker Desktop needed.Tue, 02 Jul 2024 00:00:00 GMTTILEngineeringOpen Sourcehttps://lukeocodes.dev/til-nc-netcat-network-debugginghttps://lukeocodes.dev/til-nc-netcat-network-debuggingnc opens raw TCP connections from the terminal. Test if a port is open, send raw HTTP requests, or set up a one-off chat between machines.Tue, 04 Jun 2024 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-pandoc-markdown-to-pdfhttps://lukeocodes.dev/til-pandoc-markdown-to-pdfpandoc turns any Markdown file into a styled PDF with one command. Great for generating docs that non-technical stakeholders can open.Tue, 07 May 2024 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-grep-perl-regexhttps://lukeocodes.dev/til-grep-perl-regexgrep -P gives you full Perl regex syntax — lookaheads, non-capturing groups, and character class shortcuts the basic syntax lacks.Tue, 02 Apr 2024 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-websocat-websocket-testinghttps://lukeocodes.dev/til-websocat-websocket-testingwebsocat connects to WebSocket servers from the terminal and pipes data in both directions. Better than wscat for automated testing.Tue, 05 Mar 2024 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-pyproject-toml-python-packaginghttps://lukeocodes.dev/til-pyproject-toml-python-packagingpyproject.toml replaces setup.py as the standard Python packaging config. One file declares dependencies, build system, and metadata.Tue, 06 Feb 2024 00:00:00 GMTTILEngineeringOpen Sourcehttps://lukeocodes.dev/til-npm-link-local-testinghttps://lukeocodes.dev/til-npm-link-local-testingnpm link creates a symlink so your local package behaves like an installed one. Test SDK changes in a real project before publishing.Tue, 02 Jan 2024 00:00:00 GMTTILEngineeringOpen Sourcehttps://lukeocodes.dev/til-pgrep-pkill-process-managementhttps://lukeocodes.dev/til-pgrep-pkill-process-managementpgrep finds processes by name. pkill kills them. No more ps aux | grep to find and kill a runaway Node process.Tue, 05 Dec 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-asdf-version-managerhttps://lukeocodes.dev/til-asdf-version-managerasdf manages multiple language runtimes from one tool. A single .tool-versions file pins Node.js, Python, and everything else per project.Tue, 07 Nov 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-inotifywait-file-monitoringhttps://lukeocodes.dev/til-inotifywait-file-monitoringinotifywait blocks until a file or directory changes, then exits. Use it in scripts to trigger actions when new files appear.Tue, 03 Oct 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-httpie-api-debugginghttps://lukeocodes.dev/til-httpie-api-debugginghttpie formats JSON responses, highlights syntax, and shows headers by default. One command is often clearer than curl for exploratory API work.Tue, 05 Sep 2023 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/til-termtosvg-terminal-gifshttps://lukeocodes.dev/til-termtosvg-terminal-gifstermtosvg records your terminal session and outputs an SVG file. Embeddable in docs, zoomable, and smaller than a GIF.Tue, 01 Aug 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-worker-threads-nodejshttps://lukeocodes.dev/til-worker-threads-nodejsworker_threads runs JavaScript in parallel without the overhead of child processes. Distribute CPU-heavy work across available cores.Tue, 04 Jul 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-sox-sample-rate-wavhttps://lukeocodes.dev/til-sox-sample-rate-wavsox generates or converts audio to any sample rate, bit depth, and channel count. Create test fixtures that match your API's exact requirements.Tue, 06 Jun 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-find-exec-batch-operationshttps://lukeocodes.dev/til-find-exec-batch-operationsfind -exec runs any command on every matching file. Bulk rename, convert, or delete without writing a loop or a script.Tue, 02 May 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-pdfunite-merge-pdfshttps://lukeocodes.dev/til-pdfunite-merge-pdfspdfunite combines multiple PDFs into one in a single command. No Adobe subscription, no drag-and-drop, just file paths.Tue, 04 Apr 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-exponential-backoff-typescripthttps://lukeocodes.dev/til-exponential-backoff-typescriptA simple retry loop with exponentially increasing delays handles transient API failures. Add jitter to avoid thundering herd on recovery.Tue, 07 Mar 2023 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/til-fdupes-duplicate-fileshttps://lukeocodes.dev/til-fdupes-duplicate-filesfdupes scans a directory tree for duplicate files by comparing checksums. Reclaim disk space from accidental copies and repeated downloads.Tue, 07 Feb 2023 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-awk-stt-timestampshttps://lukeocodes.dev/til-awk-stt-timestampsawk parses word-level timestamps from STT output in one line. Extract, filter, and reformat without importing a CSV library.Tue, 03 Jan 2023 00:00:00 GMTTILEngineeringSpeech-to-Texthttps://lukeocodes.dev/til-set-e-set-x-bashhttps://lukeocodes.dev/til-set-e-set-x-bashset -e exits on any error. set -x prints every command before running it. Together they make shell scripts fail fast and show their work.Tue, 06 Dec 2022 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-sox-trim-audio-silencehttps://lukeocodes.dev/til-sox-trim-audio-silencesox detects and removes silence from audio files automatically. Clean up recordings before processing without a GUI editor.Tue, 01 Nov 2022 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-python-virtual-environments-venvhttps://lukeocodes.dev/til-python-virtual-environments-venvpython -m venv creates an isolated environment with its own packages. No more conflicts between projects needing different library versions.Tue, 04 Oct 2022 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-nodemon-watch-modehttps://lukeocodes.dev/til-nodemon-watch-modenodemon watches your source files and restarts the process on any change. No manual Ctrl-C up-arrow-enter cycle during development.Tue, 06 Sep 2022 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-argparse-python-clihttps://lukeocodes.dev/til-argparse-python-cliargparse generates --help text, validates types, and parses positional and optional arguments. Built into Python, no third-party deps.Tue, 02 Aug 2022 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-tmux-persistent-sessionshttps://lukeocodes.dev/til-tmux-persistent-sessionstmux keeps your terminal session alive when you disconnect. Reattach from anywhere — long-running processes survive SSH drops.Tue, 05 Jul 2022 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-shasum-file-integrityhttps://lukeocodes.dev/til-shasum-file-integrityshasum computes a SHA hash of any file. Compare hashes before and after transfer to catch corruption — no extra tools needed.Tue, 07 Jun 2022 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-pre-commit-hooks-python-nodehttps://lukeocodes.dev/til-pre-commit-hooks-python-nodepre-commit runs linters and formatters on every git commit. A .pre-commit-config.yaml enforces the same checks across every contributor.Tue, 03 May 2022 00:00:00 GMTTILGitEngineeringhttps://lukeocodes.dev/til-pytest-cli-testinghttps://lukeocodes.dev/til-pytest-cli-testingpytest with subprocess or click's test runner validates CLI output, exit codes, and error messages without manual terminal checks.Tue, 05 Apr 2022 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-semver-cli-versioninghttps://lukeocodes.dev/til-semver-cli-versioningThe semver CLI validates, compares, and increments version strings from the terminal. No more manual math on MAJOR.MINOR.PATCH.Tue, 01 Mar 2022 00:00:00 GMTTILEngineeringOpen Sourcehttps://lukeocodes.dev/til-asyncio-concurrent-pythonhttps://lukeocodes.dev/til-asyncio-concurrent-pythonasyncio runs multiple network requests concurrently without threads. gather() collects results as they finish, cutting wall-clock time dramatically.Tue, 01 Feb 2022 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/til-commander-js-cli-nodehttps://lukeocodes.dev/til-commander-js-cli-nodecommander.js parses flags, subcommands, and help text from a declarative config. A working CLI takes about ten lines of setup.Tue, 04 Jan 2022 00:00:00 GMTTILEngineeringOpen Sourcehttps://lukeocodes.dev/til-streaming-json-ijsonhttps://lukeocodes.dev/til-streaming-json-ijsonijson parses JSON as it streams in, skipping the full parse. Handles multi-gigabyte responses without running out of memory.Tue, 07 Dec 2021 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/til-ffmpeg-audio-conversionhttps://lukeocodes.dev/til-ffmpeg-audio-conversionffmpeg converts between any audio format with a single command. WAV to MP3, FLAC to OGG, sample rate changes, channel mapping — all in one line.Tue, 02 Nov 2021 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-websockets-python-streaminghttps://lukeocodes.dev/til-websockets-python-streamingPython's websockets library opens a persistent connection in a few lines of async code. No polling, no HTTP overhead, just messages in both directions.Tue, 05 Oct 2021 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-act-github-actions-localhttps://lukeocodes.dev/til-act-github-actions-localact runs your GitHub Actions workflows on your machine using Docker. No push-and-pray, iterate locally first.Tue, 07 Sep 2021 00:00:00 GMTTILEngineeringOpen Sourcehttps://lukeocodes.dev/til-tar-deployment-packageshttps://lukeocodes.dev/til-tar-deployment-packagestar bundles a directory into a single file preserving permissions and structure. One command packages your entire deployable artifact.Tue, 03 Aug 2021 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-git-bisect-find-breaking-commithttps://lukeocodes.dev/til-git-bisect-find-breaking-commitgit bisect does a binary search through your history to find the exact commit that introduced a bug. Mark good and bad, it does the rest.Tue, 06 Jul 2021 00:00:00 GMTTILGitEngineeringhttps://lukeocodes.dev/til-redirect-rules-redirects-filehttps://lukeocodes.dev/til-redirect-rules-redirects-fileA _redirects file maps old paths to new ones with one rule per line. No config parser, no build step, just deploy and it works.Tue, 01 Jun 2021 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-node-profiling-build-performancehttps://lukeocodes.dev/til-node-profiling-build-performancenode --prof generates a V8 tick profile of your script. Process it with --prof-process and see exactly where every millisecond went.Tue, 04 May 2021 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-diff-patch-file-changeshttps://lukeocodes.dev/til-diff-patch-file-changesdiff produces a patch file describing what changed. patch applies it elsewhere. No git required for sharing small fixes between environments.Tue, 06 Apr 2021 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-json-schema-validation-ajvhttps://lukeocodes.dev/til-json-schema-validation-ajvAjv validates JSON payloads against a schema in milliseconds. Define your shape once and reject bad data before it reaches your logic.Tue, 02 Mar 2021 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/til-named-pipes-mkfifohttps://lukeocodes.dev/til-named-pipes-mkfifomkfifo creates a named pipe that acts like a file but connects two processes. One writes, the other reads, zero network overhead.Tue, 02 Feb 2021 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-strip-ansi-terminal-outputhttps://lukeocodes.dev/til-strip-ansi-terminal-outputColoured terminal output looks great until you pipe it to a file. The sed command strips ANSI codes cleanly, leaving plain text.Tue, 05 Jan 2021 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-testing-httpbin-locallyhttps://lukeocodes.dev/til-testing-httpbin-locallyhttpbin returns request data as JSON so you can see exactly what your client is sending. No real endpoint needed for debugging.Tue, 01 Dec 2020 00:00:00 GMTTILAPIEngineeringhttps://lukeocodes.dev/til-tee-split-outputhttps://lukeocodes.dev/til-tee-split-outputThe tee command writes stdout to a file while still showing it on screen. Perfect for logging builds without losing visibility.Tue, 03 Nov 2020 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-qr-codes-terminal-qrencodehttps://lukeocodes.dev/til-qr-codes-terminal-qrencodeqrencode turns any text into a QR code in one command. Pipe it to a PNG or straight to the terminal for quick mobile tests.Tue, 06 Oct 2020 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-node-cron-schedulinghttps://lukeocodes.dev/til-node-cron-schedulingA cron expression and a callback is all node-cron needs to run tasks on a schedule. No system cron, no external dependencies.Tue, 01 Sep 2020 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-git-hooks-core-hookspathhttps://lukeocodes.dev/til-git-hooks-core-hookspathGit's core.hooksPath lets each repo use its own hooks directory. No more symlinks or global hook collisions across projects.Tue, 04 Aug 2020 00:00:00 GMTTILGitEngineeringhttps://lukeocodes.dev/til-rate-limiting-bottleneckhttps://lukeocodes.dev/til-rate-limiting-bottleneckBottleneck queues API calls to stay under rate limits without losing data. Set max concurrent and min delay, then forget it.Tue, 07 Jul 2020 00:00:00 GMTTILAPIEngineeringhttps://lukeocodes.dev/til-node-http-serverhttps://lukeocodes.dev/til-node-http-serverNode's built-in http module creates a working server in five lines. No Express, no dependencies, just a callback and a port.Tue, 02 Jun 2020 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-dotenv-nodejshttps://lukeocodes.dev/til-dotenv-nodejsA .env file keeps API keys and config out of your code. The dotenv package loads them into process.env with zero config.Tue, 05 May 2020 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/til-curl-webhook-testinghttps://lukeocodes.dev/til-curl-webhook-testingA curl POST to your webhook endpoint with a JSON body simulates any provider. No dashboard, no test suite, just response codes and latency.Tue, 07 Apr 2020 00:00:00 GMTTILAPIEngineeringhttps://lukeocodes.dev/til-node-inspector-debugginghttps://lukeocodes.dev/til-node-inspector-debuggingnode --inspect opens Chrome DevTools for your server process. Breakpoints, heap snapshots, profiling — no console.log needed.Tue, 03 Mar 2020 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-vue-router-lazy-loadinghttps://lukeocodes.dev/til-vue-router-lazy-loadingA dynamic import in your router config splits your Vue bundle per route. Pages load on demand instead of all at once.Tue, 04 Feb 2020 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-async-await-nodejshttps://lukeocodes.dev/til-async-await-nodejsAsync await turns nested .then chains into flat readable code. One async function wrapper is all it takes to clean up any Node.js callback mess.Tue, 07 Jan 2020 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-recording-terminal-sessions-scripthttps://lukeocodes.dev/til-recording-terminal-sessions-scriptThe script command records everything in your terminal to a file. scriptreplay plays it back. Built into macOS and Linux, zero install.Tue, 03 Dec 2019 00:00:00 GMTTILEngineeringhttps://lukeocodes.dev/til-parsing-json-jq-terminalhttps://lukeocodes.dev/til-parsing-json-jq-terminalPipe any JSON response into jq and get coloured, filtered, transformed output without opening a file or writing a parser.Tue, 05 Nov 2019 00:00:00 GMTTILAPIEngineeringhttps://lukeocodes.dev/til-forwarding-localhost-ngrokhttps://lukeocodes.dev/til-forwarding-localhost-ngrokOne ngrok command gives any local server a public HTTPS URL. Webhook testing goes from impossible to trivial in under five seconds.Tue, 01 Oct 2019 00:00:00 GMTTILEngineeringAPIhttps://lukeocodes.dev/til-testing-websockets-wscathttps://lukeocodes.dev/til-testing-websockets-wscatA single wscat command opens an interactive WebSocket session to any endpoint. No browser, no boilerplate, just connect and send messages.Tue, 03 Sep 2019 00:00:00 GMTTILEngineering