How to undo git reset
Recover from git reset operations using reflog to restore commits and repository state after accidental resets.
How to undo git commit --amend
Revert an amended commit in Git by resetting to the previous commit state before the amend.
How to test Node.js APIs with Supertest
Test Express REST APIs in Node.js using Supertest for HTTP endpoint testing with assertions.
How to test Node.js apps with Jest
Write unit tests for Node.js applications using Jest testing framework with mocks, spies, and assertions.
How to handle keyboard events in Vue
Capture and handle keyboard events in Vue using event listeners and key modifiers for shortcuts and navigation.
How to build a wizard in Vue
Create a multi-step wizard component in Vue with navigation, validation, and data collection across steps.
How to use Jest in Angular
Replace Karma with Jest in Angular for faster test execution and better developer experience with snapshots.
How to use Karma in Angular tests
Configure and run Angular tests using Karma test runner for executing Jasmine specs in real browsers.
How to deploy a React app to AWS Amplify
Deploy React applications to AWS Amplify with Git-based continuous deployment and serverless backend integration.
How to deploy a React app to Firebase
Deploy React applications to Firebase Hosting for fast global CDN delivery with SSL and custom domains.
How to undo git add
Remove files from Git staging area before commit using git reset to unstage accidentally added files.
How to filter commits by file in Git
View Git commit history for specific files or directories to track changes and understand file evolution.
How to build a REST API with Express in Node.js
Create a RESTful API using Express framework in Node.js with CRUD operations, routing, and middleware.
How to use Socket.IO in Node.js
Build real-time applications in Node.js using Socket.IO for WebSocket communication with automatic fallbacks.
How to build a stepper in Vue
Create a multi-step form stepper component in Vue for guided workflows with progress indication and validation.
How to build pagination in Vue
Create a pagination component in Vue for navigating through large datasets with page numbers and next/previous controls.
How to use Jasmine in Angular tests
Write Angular unit tests using Jasmine testing framework for assertions, spies, and test organization.
How to mock HttpClient in Angular tests
Test Angular HTTP requests by mocking HttpClient with HttpClientTestingModule for isolated unit tests.
How to deploy a React app to GitHub Pages
Deploy React applications to GitHub Pages for free hosting with custom domains and automatic builds.
How to deploy a React app to Vercel
Deploy React applications to Vercel with zero-config deployment, automatic HTTPS, and seamless Git integration.
How to search authors in Git history
Filter Git commits by author name or email to track contributions and find specific developer work.
How to search file content in Git history
Find when specific code was added or removed in Git history using git log -S and -G for code archaeology.
How to implement real-time notifications in Node.js
Build a real-time notification system in Node.js using WebSockets to push instant updates to connected clients.
How to build a chat app with WebSockets in Node.js
Create a real-time chat application using WebSockets in Node.js with the ws library for bidirectional communication.
How to build breadcrumbs in Vue
Create a breadcrumb navigation component in Vue with Vue Router integration for hierarchical page navigation.
How to build tabs in Vue
Create an interactive tabs component in Vue for organizing content into switchable panels with active state management.
How to test Angular forms
Write unit tests for Angular reactive and template-driven forms to ensure validation and submission logic works correctly.
How to test Angular directives
Write unit tests for Angular directives to ensure DOM manipulation and behavior modifications work correctly.
How to deploy a React app to Netlify
Deploy React applications to Netlify with automatic builds, continuous deployment, and custom domain support.
How to use environment variables in React
Configure and access environment variables in React applications for managing API keys and environment-specific settings.
