A developer uses Test Driven Development to fix a bug in a Django app, writing a test, fixing the code, and refactoring.
A technical guide on measuring web performance when cookie consent popups are present, covering synthetic testing and RUM tools.
Guide to syncing Visual Studio Code settings, extensions, and key bindings between Mac and Windows using the Settings Sync extension.
A student's blog about their Google Summer of Code 2020 project to improve the QuTiP quantum physics Python library's data layer.
A list of critical C# performance pitfalls and code patterns to avoid, drawn from real-world production issues at Criteo.
Explains SQL Server licensing options and compliance steps when migrating virtual machines to Microsoft Azure.
Part 5 of a React Native chat app tutorial, covering real-time messaging with Firebase Firestore, user authentication, and data fetching.
Explains how to correctly pass multiple ports and IP ranges as arrays to the New-AzFirewallNetworkRule PowerShell cmdlet in Azure.
Explains the Global VM Lock (GVL) in Ruby, its impact on concurrency and scaling, and how to optimize applications like Sidekiq and Puma.
An interview discussing Python performance, profiling, optimization, the GIL, and related technical topics.
Learn how to use HTML forms and Django's form system to collect user input in this tutorial episode.
A guide to creating and autoloading a custom PHP package locally using Composer, without publishing it to Packagist first.
A tutorial on using custom UIView to dim app backgrounds and hide sensitive content in the iOS App Switcher.
A Swift tutorial on saving and reading files from a user's iCloud Drive using FileManager and CloudKit in an iOS app.
A tutorial on implementing a modern swipe-to-delete action with a custom trash icon in an iOS TableView using trailingSwipeActionsConfiguration.
A guide on using EKEventEditViewController in Swift to let users save events to the iOS system calendar, covering setup, permissions, and delegate handling.
Advanced Swift tips for cleaner code: optional unwrapping, range checking, randomness, and @autoclosure usage.
Explains how to fix broken target="_blank" links in iOS WKWebView by implementing a specific WKUIDelegate method.
A guide to using object destructuring in JavaScript to extract properties from objects, covering syntax, nested objects, default values, and common use cases.
A guide exploring various CSS styling strategies for React applications, including CSS-in-CSS, CSS-in-JS, and utility-first approaches.
