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Showing posts with the label Javascript

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Write ESM, Test CJS: The Pragmatic Blueprint for Expo 54 and React 19 using Jest for testing

on May 27, 2026

Android Android SDLC Expo Javascript Jest React Native TypeScript

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Why I Migrated to ECMAScript Module (ESM) Standards Over CommonJS (CJS)?

on May 12, 2026

Android Android SDLC Best Practices CommonJS (CJS) ECMAScript Module (ESM) Expo Javascript React Native TypeScript

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Fix Timeout Error Connecting To MongoDB Atlas

on September 05, 2020

Javascript MongoDB MongoDB Atlas Mongoose Strapi

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3 Ways To Initialize State In React

on April 02, 2020

Babel BabelJS ES6 ESLint Javascript React Hook ReactJS

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The 3 Frontend Code Quality Musketeers - ESLint, Husky And Lint-Staged

on March 30, 2020

Automated Code Quality Clean Code Practices ESLint Git Hooks Husky Javascript Lint-Staged Productive Programming

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Submit a form with Enter key in React

on April 02, 2018

Javascript react react.js ReactJS ux

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Express 3.x - Web-app framework without Web-server

on August 09, 2014

express Javascript node.js

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"this" operator in JavaScript

on February 07, 2014

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Understanding call and apply in Javascript by example

on February 06, 2014

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Conference: JSConf 2013, US - Javascript Masterclass by Angelina Fabbro

on January 19, 2014

Conference Craftsmanship Javascript Talks

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Beyond Grep: Master ripgrep Performance in Claude Code

If you’ve ever wondered why modern AI coding agents like Claude Code (CC) feel so "aware" of your codebase, the secret often lies in a small, incredibly fast tool called ripgrep (rg) . ripgrep is a line-oriented search tool that recursively searches your current directory for a regex pattern. It combines the raw speed of C with the safety of Rust. It is faster than almost every other search tool because it is built on top of Rust’s regex engine, which uses finite automata, SIMD, and aggressive literal optimizations to make searching very fast. It is the engine that allows Claude to "read" your project in milliseconds. Most importantly for developers, ripgrep respects your `.gitignore` . It won't waste time searching through your `node_modules` , `.git` , or build artifacts, ensuring that Claude only sees the code that actually matters. There are 3 distinct ways Claude can utilize this tool? Depending on your codebase size ...

Understanding the WSL2 Mirrored Networking Conflict

When optimizing your development environment on Windows, you might encounter a frustrating "silent failure" where Docker containers appear to run but remain unreachable via their assigned ports. This conflict typically stems from how WSL2 and Docker Desktop negotiate network traffic. (I had been through this when I tried to set-up my development environment for ReactNative/Expo application in Docker container.) The Architecture: Mirrored vs. NAT By default, WSL2 uses Network Address Translation (NAT). In this mode, WSL2 lives behind a virtual switch with its own IP address. While reliable, it adds a layer of complexity for local networking. (Spoiler Alert: I resorted to this legacy convention for reliability reasons, at the time of this writing having latest stable version of Docker Desktop). Reasons: Good default for general, isolated development; avoids complex network setup. Downsides: Requires port forwarding to access localhost services from Windows; VPNs can brea...

Fix for Ollama Issue on Windows 11 where it doesn't connect

If you are using Ollama on Windows 11 machine and are encountering the error below: Error: Head "http://0.0.0.0:11434/": read tcp 127.0.0.1:61593->127.0.0.1:11434: wsarecv: An existing connection was forcibly closed by the remote host. Then it is likely that your previous force closure of Ollama left an abandoned process connecting to the said port - 11434. Unfortunately, at least in my case, this process didn't vanish even when I restarted the system that sure troubled me much. The fix that worked for me was to identify the process-id of that rogue/abandoned process and kill it by its process-id. This is done in Windows Powershell (having admin privileges) like below: Find process-id using the command ` Get-NetTCPConnection -LocalPort <port_number> | Select-Object -ExpandProperty OwningProcess ` where you replace the <port_number> with actual port (11434 in this case) and this command outputs the PID of the process. ...

Norton isn't what it claims to be -- an Anti-virus

I recently purchased an Acer Predator series laptop that came bundled with Norton anti-virus trial pack for Windows 10. I got this laptop for my development work and so I'm a little too crazy about engineering discipline. What does that mean? The first thing that I did was make a recovery drive from that fresh image of the laptop. This came to my rescue later as you'd find through further in this post. So after a month of trial period of Norton, I wanted to uninstall it and install my choice of anti-virus (that is K7 anti-virus , for the curious). When I uninstalled Norton, it went thought without an error. But when I tried to install K7 anti-virus, it complained that Norton Security Ultra is installed in the system and that it needs to be removed before installing K7. But Norton is nowhere to be seen in my system's Control Panel > add/remove programs . As the world would have it, this seem to be some defacto unethical practice in play embraced by greedy anti-virus comp...

WSL For Development In Windows 10 Is The New Kool-Aid

I had been a happy-go Java developer on Windows platform. And then I had to ride the Ruby-on-Rails wave over Linux platform, only to realize how much I didn't know about productivity with automation. Later I moved onto MacOS to experience bliss before starting to hate it for one thing after the other; right from their buggy operating system upgrades to Apple not providing power cable compatible to Indian market resulting in earthing issues. Out of frustration I jumped back to Ubuntu and now back on Windows after long years. Getting onto Windows was more out of necessity than interest and I started to explore how much things have changed in the Windows world. It wasn't a smooth return for me but the teething period is over and I'm loving Windows again. If you are onto Windows 10 Pro edition, and wanting to get the best of both worlds (Windows and Linux), this post is for you. I am jotting down ProTips to experience delight and productivity at development work. Use WSL 2...

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