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Developer Cheatsheets

Comprehensive quick reference guides for common developer tasks and commands. Save time with essential syntax and examples for Git, Terminal, Docker, Regex, Markdown, SQL, HTTP, and Security.

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Developer Cheatsheets
Comprehensive quick reference guides for common developer tasks and commands. Essential for developers of all experience levels, from beginners to seasoned professionals.

Git Commands Cheatsheet

Setup & Configuration

# Set your identity
git config --global user.name "Your Name"
git config --global user.email "your.email@example.com"

# Set default editor
git config --global core.editor "code --wait"

# Check configuration
git config --list

Basic Commands

# Initialize a repository
git init

# Clone a repository
git clone <repository-url>

# Check status
git status

# Stage changes
git add <file>       # Add specific file
git add .            # Add all changes

# Commit changes
git commit -m "Commit message"

# Push changes
git push origin <branch-name>

# Pull changes
git pull origin <branch-name>

Branching

# List branches
git branch                  # Local branches
git branch -r               # Remote branches
git branch -a               # All branches

# Create a branch
git branch <branch-name>

# Switch to a branch
git checkout <branch-name>
git switch <branch-name>    # Git 2.23+

# Create and switch to a new branch
git checkout -b <branch-name>
git switch -c <branch-name> # Git 2.23+

# Merge a branch
git merge <branch-name>

# Delete a branch
git branch -d <branch-name>  # Safe delete
git branch -D <branch-name>  # Force delete

Undoing Changes

# Discard changes in working directory
git restore <file>          # Git 2.23+
git checkout -- <file>      # Older Git versions

# Unstage changes
git restore --staged <file> # Git 2.23+
git reset HEAD <file>       # Older Git versions

# Amend last commit
git commit --amend

# Reset to a specific commit
git reset --soft <commit>   # Keep changes staged
git reset --mixed <commit>  # Keep changes unstaged (default)
git reset --hard <commit>   # Discard changes (dangerous)
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