Short reads on building software.

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1. 20 August 2026Code Snippets2 min read

   Promise.allSettled: keep the results that succeeded

   Promise.all throws away every result when one request fails. Promise.allSettled waits for all of them and reports each outcome, so one failure cannot empty a page.

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2. 19 August 2026Tech Tips2 min read

   JavaScript debugging beyond console.log

   console.log works until the bug is three calls deep. Breakpoints, conditional breakpoints, logpoints and the call stack show what the code does while it runs.

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3. 18 August 2026Tool Reviews2 min read

   Dev Containers: one environment for the whole team

   New developers lose days to setup, and 'works on my machine' never dies. A devcontainer.json file gives everyone the same tools, versions and services.

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4. 16 August 2026Tech News2 min read

   The WebAssembly Component Model, explained

   Core WebAssembly modules can only exchange numbers. The Component Model adds typed interfaces, so code written in Rust, Go, Python or JavaScript can be combined safely.

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5. 15 August 2026Guides3 min read

   Error handling in microservices: retries and circuit breakers

   In a distributed system, something is always failing a little. Timeouts, retries with backoff, circuit breakers and consistent errors keep one fault from spreading.

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6. 12 August 2026Guides3 min read

   JWT best practices: expiry, storage and validation

   JSON Web Tokens are simple to issue and easy to get wrong. Short lifetimes, refresh token rotation, safe storage and strict validation close the common holes.

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7. 11 August 2026Code Snippets2 min read

   Intersection Observer: react when elements scroll into view

   Scroll listeners that measure element positions are slow and fiddly. Intersection Observer tells you when an element enters the viewport, with a few lines of code.

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8. 10 August 2026Tech News2 min read

   Rust async functions in traits: what changed and why

   Rust 1.75 made async fn in traits part of stable Rust, removing the need for the async-trait macro in many cases. What you can write now and the limits that remain.

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9. 9 August 2026Tech Tips2 min read

   Native image lazy loading: one attribute, used well

   The loading attribute delays offscreen images until the user scrolls near them. It takes one word, but on the wrong image it makes a page slower. Where it belongs.

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10. 8 August 2026Tech Tips2 min read

    Serverless cold starts: causes and fixes

    The first request to an idle serverless function is slow because the platform has to start it. What happens during a cold start and six ways to shorten or avoid it.

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11. 7 August 2026Code Snippets2 min read

    structuredClone: deep copy objects in JavaScript

    The spread operator copies only one level, and the JSON trick loses dates and breaks on cycles. structuredClone makes a true deep copy with one built-in call.

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12. 5 August 2026Tech News2 min read

    WebGPU: modern graphics and compute in the browser

    WebGPU gives web apps direct, modern access to the graphics card for 3D rendering and for general computation such as machine learning. What it is and where it stands.

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