Fixing a Memory Leak in a Production Node.js App
Fixing a Memory Leak in a Production Node.js AppJanuary 12th, 2023 — 15 min read A few months ago, I wrote about my migration from Postgres to SQLite. I ended that with a "to be continued" because I had a number of issues related to memory and CPU spikes that I couldn't really explain. For a while I thought it was bugs in LiteFS (which I'm using to get distributed SQLite for my distributed node ap
Upgrading DevTools' architecture to the modern web
The Chrome DevTools codebase is around 150,000 lines of first-party JavaScript, with some parts being over ten-years old. As with any large, legacy codebase, there are a range of challenges to navigate, whether it be testing, code style and consistency, or simply understanding what the code is doing! This session steps through how we plan, implement, and maintain code migrations in Chrome's DevToo
Debugging WebAssembly Outside of the Browser – Mozilla Hacks - the Web developer blog
WebAssembly has begun to establish itself outside of the browser via dedicated runtimes like Mozilla’s Wasmtime and Fastly’s Lucet. While the promise of a new, universal format for programs is appealing, it also comes with new challenges. For instance, how do you debug .wasm binaries? At Mozilla, we’ve been prototyping ways to enable source-level debugging of .wasm files using traditional tools li
Time travel debugging: A step-by-step guide. - Jason Laster - JSConf EU 2018
Debugging is all about stepping. With time travel debugging, you can step back as easily as forward. Want to know how a bug was introduced? No problem, pause and rewind to the exact time when your app broke. Roads? Where we’re going, we don’t need roads! OMG JSConf EU is coming back in 2019 https://2019.jsconf.eu/
What's new in Chrome DevTools (Google I/O '18)
Get up to speed with the latest features shipping in Chrome DevTools. Discover new features aimed at simplifying asynchronous debugging and working across threads that will be particularly handy as the web goes multithreaded in 2018. Learn how to use console aggregation to streamline development, and take advantage of Network Interception to inspect or modify connections made by your app. Rate th
Debugging JavaScript - Chrome DevTools 101
If you're still using console.log() to find and fix JavaScript issues, you might be spending more time debugging than you need to. This tutorial shows you how to make the most of Chrome DevTools so that you can debug your JavaScript as quickly as possible. Demo: https://goo.gl/MwytjG Doc version of this tutorial: https://goo.gl/NZxQdD Breakpoints Guide: https://goo.gl/9XYhhF JavaScript Debugging
Debugging in 2017 with Node.js
We're gonna takealigg---a little look at these topics: * 1:43 Debugging basics (--inspect) and Chrome DevTools integration * 4:17 Chrome DevTools demo * 8:46 Tools that make it even easier * 9:23 Add'l debugging APIs: * _debugProcess() to start debugging an existing node process * GDB interface for the CLI purists * inspect over a websocket * inspect with the new 'inspector' module * 11:
A Modern Front-End Workflow – Umar Hansa | Render 2017
Join us for #RenderConf 2018: https://goo.gl/iXs1mJ The audience can expect to learn hidden DevTools secrets but also how to adopt a modern development and debugging workflow. This talk is important for any web developer who wants to understand and debug the internals of a webpage quickly and with ease. ABOUT UMAR HANSA Umar is a web developer based in London who has a focus on writing tips, tu
14 Must Know Chrome Dev Tools Tricks - #JavaScript30 9/30
Hit that Subscribe button for more like this 👌 → #JavaScript30 Video 8 — Grab all the videos and starter code over at JavaScript30.com.
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Live edit browserified code in chrome devtools Thursday, January 30th 2014 Viewing man pages in Vim or Preview Sunday, January 26th 2014 The nodejs local module path trick Thursday, December 19th 2013 How to find the include path of a globally installed C library Sunday, December 15th 2013 Talking scriptie-talkie Thursday, April 25th 2013 browserify v2 adds source maps Sunday, March 31st 201
Ustream.tv: ユーザー nodejsjp: 新しいテスト用ライブラリのご提案 @t_wada, Recorded on 2013/08/21. Web
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Focused Session: Performance profiling for Web Applications with Sam Saccone
GitHub - jyavenard/aboutmedia: about:media addon for Firefox
GitHub - johnBartos/hls-debugging-presentation: 🐛🎥
ffprobe Documentation
New animation inspector features in Firefox 43
Improved JavaScript Debugger in WebStorm 7 | The WebStorm Blog
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The Breakpoint Ep. 1: Chrome DevTools with Addy Osmani and Paul Lewis