Development Shortcuts & Productivity Commands

# File operations
Cmd/Ctrl + P          # Quick file search
Cmd/Ctrl + Shift + P   # Command palette
Cmd/Ctrl + Shift + E   # Explorer panel
Cmd/Ctrl + Shift + F   # Global search
Cmd/Ctrl + Shift + H   # Global find and replace

# Code navigation
Cmd/Ctrl + Click      # Go to definition
F12                   # Go to definition
Shift + F12           # Go to references
Cmd/Ctrl + F12        # Go to implementation
Alt + ←/→            # Navigate back/forward

# Symbol navigation
Cmd/Ctrl + Shift + O  # Go to symbol in file
Cmd/Ctrl + T          # Go to symbol in workspace

# Multi-cursor editing
Alt + Click           # Add cursor at position
Cmd/Ctrl + Alt + ↑/↓  # Add cursor above/below
Cmd/Ctrl + Shift + L  # Select all occurrences
Cmd/Ctrl + D          # Select next occurrence
Cmd/Ctrl + K, Cmd/Ctrl + D  # Skip current occurrence

# Selection
Cmd/Ctrl + A          # Select all
Cmd/Ctrl + L          # Select current line
Cmd/Ctrl + Shift + →/← # Select word
Shift + Alt + →/←     # Expand/shrink selection

# Line operations
Cmd/Ctrl + Shift + K  # Delete line
Alt + ↑/↓            # Move line up/down
Shift + Alt + ↑/↓    # Copy line up/down
Cmd/Ctrl + Enter     # Insert line below
Cmd/Ctrl + Shift + Enter  # Insert line above

# Code formatting
Shift + Alt + F      # Format document
Cmd/Ctrl + K, Cmd/Ctrl + F  # Format selection
Cmd/Ctrl + /         # Toggle line comment
Shift + Alt + A      # Toggle block comment

# Code folding
Cmd/Ctrl + Shift + [  # Fold region
Cmd/Ctrl + Shift + ]  # Unfold region
Cmd/Ctrl + K, Cmd/Ctrl + 0  # Fold all
Cmd/Ctrl + K, Cmd/Ctrl + J  # Unfold all
Cmd/Ctrl + K, Cmd/Ctrl + [  # Fold recursively

# Git shortcuts in VS Code
Cmd/Ctrl + Shift + G  # Source control panel
Cmd/Ctrl + K, Cmd/Ctrl + O  # Open file in new window
Cmd/Ctrl + K, V      # Open markdown preview
F1, type "git"       # Git commands in palette

# Navigation
!!                   # Repeat last command
!$                   # Last argument of previous command
!^                   # First argument of previous command
!*                   # All arguments of previous command
cd -                 # Go to previous directory
pushd/popd          # Directory stack

# History
Ctrl + R            # Reverse search history
Ctrl + G            # Cancel search
!!:p                # Print last command without executing
!n                  # Execute command n from history

# Session management
tmux new -s session-name     # Create named session
tmux attach -t session-name  # Attach to session
tmux list-sessions          # List sessions
tmux kill-session -t name   # Kill session

# Window management (prefix: Ctrl+b)
Ctrl+b c            # Create new window
Ctrl+b n/p          # Next/previous window
Ctrl+b [0-9]        # Switch to window number
Ctrl+b ,            # Rename window
Ctrl+b &            # Kill window

# Pane management
Ctrl+b %            # Split vertically
Ctrl+b "            # Split horizontally
Ctrl+b arrow        # Navigate panes
Ctrl+b o            # Cycle through panes
Ctrl+b x            # Kill pane
Ctrl+b z            # Zoom pane

# Auto-completion
Tab                 # Complete command/path
Shift+Tab          # Complete with multiple options
Alt+↑/↓            # Navigate history by prefix
Alt+←/→            # Navigate by word

# Functions
funced function_name  # Edit function
funcsave function_name  # Save function

# Connection shortcuts
\l                  # List databases
\c database_name    # Connect to database
\dt                 # List tables
\d table_name       # Describe table
\du                 # List users
\q                  # Quit

# Query shortcuts
\e                  # Edit last query in editor
\g                  # Execute last query
\timing            # Toggle timing display
\x                  # Toggle expanded display
\copy table TO/FROM file  # Import/export data

# Database operations
show dbs           # List databases
use database_name  # Switch database
show collections   # List collections
db.collection.find().pretty()  # Pretty print results

# Query shortcuts
db.collection.find().limit(10)
db.collection.count()
db.collection.distinct("field")

# Package management
npm i              # Install dependencies
npm i -D package   # Install dev dependency
npm i -g package   # Install globally
npm un package     # Uninstall package
npm ls             # List installed packages
npm outdated       # Check for outdated packages
npm audit          # Security audit

# Scripts
npm run           # List available scripts
npm start         # Start application
npm test          # Run tests
npm run dev       # Development server
npm run build     # Build for production

# Useful aliases (add to ~/.bashrc or ~/.zshrc)
alias ni="npm install"
alias nid="npm install --save-dev"
alias nig="npm install --global"
alias nis="npm install --save"
alias nu="npm uninstall"
alias nr="npm run"
alias ns="npm start"
alias nt="npm test"

# Package management
pip install package
pip install -r requirements.txt
pip freeze > requirements.txt
pip show package
pip list --outdated

# Virtual environments
python -m venv venv
source venv/bin/activate  # Linux/Mac
venv\Scripts\activate     # Windows
deactivate

# Django shortcuts
python manage.py runserver
python manage.py migrate
python manage.py makemigrations
python manage.py shell
python manage.py test
python manage.py collectstatic

# Useful aliases
alias py="python"
alias pm="python manage.py"
alias pms="python manage.py runserver"
alias pmm="python manage.py migrate"
alias pmmk="python manage.py makemigrations"

# Opening DevTools
F12 or Cmd/Ctrl + Shift + I  # Open DevTools
Cmd/Ctrl + Shift + C         # Inspect element
Cmd/Ctrl + Shift + J         # Console
Cmd/Ctrl + Shift + Delete    # Clear browsing data

# Navigation
Cmd/Ctrl + [/]              # Back/forward in panels
Cmd/Ctrl + R                # Reload page
Cmd/Ctrl + Shift + R        # Hard reload
Cmd/Ctrl + Shift + Delete   # Clear cache and hard reload

// Useful console methods
console.table(data)         // Display data as table
console.group("Group")      // Group console output
console.time("timer")       // Start timer
console.timeEnd("timer")    // End timer
console.trace()             // Stack trace

// Selection shortcuts
$0                          // Last selected element
$1, $2, $3, $4             // Previously selected elements
$('selector')               // Query selector
$$('selector')              // Query selector all

# Navigation
Double Shift        # Search everywhere
Cmd/Ctrl + N        # Go to class
Cmd/Ctrl + Shift + N # Go to file
Cmd/Ctrl + Alt + N  # Go to symbol
Cmd/Ctrl + E        # Recent files

# Editing
Cmd/Ctrl + D        # Duplicate line
Cmd/Ctrl + Y        # Delete line
Alt + J             # Select next occurrence
Cmd/Ctrl + Alt + L  # Reformat code
Cmd/Ctrl + Alt + O  # Optimize imports

# Refactoring
F6                  # Move
Shift + F6          # Rename
Cmd/Ctrl + Alt + M  # Extract method
Cmd/Ctrl + Alt + V  # Extract variable

# Mode switching
i                   # Insert mode
v                   # Visual mode
V                   # Visual line mode
Ctrl + v            # Visual block mode
:                   # Command mode

# Navigation
h, j, k, l         # Left, down, up, right
w, b               # Word forward/backward
0, $               # Beginning/end of line
gg, G              # Top/bottom of file
Ctrl + f/b         # Page down/up

# Editing
dd                 # Delete line
yy                 # Copy line
p, P               # Paste after/before
u                  # Undo
Ctrl + r           # Redo
.                  # Repeat last command

# Search and replace
/pattern           # Search forward
?pattern           # Search backward
n, N               # Next/previous match
:%s/old/new/g      # Replace all

# Add to ~/.bashrc, ~/.zshrc, or ~/.config/fish/config.fish

# Navigation
alias ..="cd .."
alias ...="cd ../.."
alias ....="cd ../../.."
alias ~="cd ~"
alias -- -="cd -"

# List files
alias l="ls -lah"
alias la="ls -la"
alias ll="ls -l"
alias lsa="ls -lah"

# Git aliases
alias g="git"
alias ga="git add"
alias gaa="git add ."
alias gc="git commit"
alias gcm="git commit -m"
alias gco="git checkout"
alias gcb="git checkout -b"
alias gp="git push"
alias gpl="git pull"
alias gs="git status"
alias gd="git diff"
alias gl="git log --oneline"

# Docker aliases
alias d="docker"
alias dc="docker-compose"
alias dcu="docker-compose up"
alias dcd="docker-compose down"
alias dcl="docker-compose logs"
alias dce="docker-compose exec"

# npm/yarn aliases
alias nrs="npm run start"
alias nrb="npm run build"
alias nrt="npm run test"
alias nrd="npm run dev"
alias yrs="yarn start"
alias yrb="yarn build"
alias yrt="yarn test"
alias yrd="yarn dev"

# Modern replacements for common tools
bat                # Better cat with syntax highlighting
exa                # Better ls with colors and git info
fd                 # Better find
rg                 # Ripgrep - better grep
fzf                # Fuzzy finder
htop               # Better top
ncdu               # Disk usage analyzer
tldr               # Simplified man pages

# Installation (macOS with Homebrew)
brew install bat exa fd ripgrep fzf htop ncdu tldr

# Usage examples
bat README.md      # Syntax highlighted file content
exa -la            # Colorful directory listing
fd "*.js"          # Find JavaScript files
rg "function"      # Search for "function" in files
fzf                # Interactive file finder

# grep patterns
grep -r "pattern" .           # Recursive search
grep -i "pattern" file        # Case insensitive
grep -v "pattern" file        # Invert match
grep -n "pattern" file        # Show line numbers
grep -A 3 -B 3 "pattern" file # Show context

# sed shortcuts
sed 's/old/new/g' file        # Replace all occurrences
sed -i 's/old/new/g' file     # Replace in-place
sed '1d' file                 # Delete first line
sed '/pattern/d' file         # Delete lines matching pattern

# awk shortcuts
awk '{print $1}' file         # Print first column
awk -F',' '{print $2}' file   # Use comma as delimiter
awk '/pattern/ {print}' file  # Print lines matching pattern

# Performance profiling
Cmd/Ctrl + Shift + P  # Performance tab
Cmd/Ctrl + Shift + I  # DevTools
Cmd/Ctrl + Shift + M  # Mobile view

# Network debugging
Cmd/Ctrl + Shift + E  # Network tab
Disable cache         # In Network tab settings
Throttling           # Simulate slow connections

# Debug with Chrome DevTools
node --inspect app.js
node --inspect-brk app.js  # Break on first line

# Debug with VS Code
# Add to launch.json:
{
  "type": "node",
  "request": "launch",
  "name": "Debug Node.js",
  "program": "${workspaceFolder}/app.js"
}

# pdb debugger
import pdb; pdb.set_trace()  # Set breakpoint
python -m pdb script.py      # Run with debugger

# pdb commands
h                           # Help
l                           # List current code
n                           # Next line
s                           # Step into
c                           # Continue
p variable_name             # Print variable
pp variable_name            # Pretty print
q                           # Quit

{
  "editor.fontSize": 14,
  "editor.tabSize": 2,
  "editor.insertSpaces": true,
  "editor.wordWrap": "on",
  "editor.minimap.enabled": false,
  "editor.formatOnSave": true,
  "editor.codeActionsOnSave": {
    "source.fixAll.eslint": true,
    "source.organizeImports": true
  },
  "terminal.integrated.fontSize": 13,
  "workbench.startupEditor": "none",
  "files.autoSave": "afterDelay",
  "files.autoSaveDelay": 1000,
  "git.autofetch": true,
  "git.confirmSync": false
}

# Global Git configuration
git config --global alias.co checkout
git config --global alias.br branch
git config --global alias.ci commit
git config --global alias.st status
git config --global alias.last 'log -1 HEAD'
git config --global alias.lg "log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit"

# Auto-completion (add to ~/.bashrc or ~/.zshrc)
# For bash:
source /usr/share/bash-completion/completions/git

# For zsh with oh-my-zsh:
plugins=(git npm docker docker-compose)

#!/bin/bash
# save as ~/bin/new-project

project_name=$1
if [ -z "$project_name" ]; then
  echo "Usage: new-project <project-name>"
  exit 1
fi

mkdir "$project_name"
cd "$project_name"

# Initialize git
git init
echo "node_modules/\n.env\n.DS_Store" > .gitignore

# Initialize npm
npm init -y

# Basic package.json updates
npm install --save-dev eslint prettier
npm install express

echo "Project $project_name created successfully!"
code .  # Open in VS Code

#!/bin/bash
# save as ~/bin/dev-env

case $1 in
  "node")
    nvm use node
    echo "Switched to Node.js"
    ;;
  "python")
    source ~/venv/bin/activate
    echo "Activated Python virtual environment"
    ;;
  "docker")
    docker-compose up -d
    echo "Started Docker development environment"
    ;;
  *)
    echo "Usage: dev-env [node|python|docker]"
    ;;
esac