Developer Cheatsheets
Quick-reference cheatsheets for the tools and languages developers use every day. Copy-paste ready commands and syntax with real examples.
Git Commands Cheatsheet
This cheatsheet covers the 40 most essential Git commands grouped by workflow: setup, staging, branching, merging, remot...
44 commands
Docker Commands Cheatsheet
This cheatsheet covers 35 essential Docker commands for managing containers, images, volumes, and networks. Includes Doc...
35 commands
Linux Commands Cheatsheet
This cheatsheet covers 40 essential Linux/Unix commands for daily development: file navigation, text processing, permiss...
40 commands
HTTP Status Codes Cheatsheet
HTTP status codes are 3-digit numbers returned by servers. 1xx = informational, 2xx = success, 3xx = redirection, 4xx = ...
30 commands
Regex Syntax Cheatsheet
This cheatsheet covers essential regex syntax: character classes, quantifiers, anchors, groups, and lookaround assertion...
25 commands
Cron Syntax Cheatsheet
A cron expression has 5 fields: minute (0-59), hour (0-23), day of month (1-31), month (1-12), day of week (0-7). Use * ...
20 commands
CSS Flexbox Cheatsheet
Flexbox is a 1D layout system for rows or columns. Set display: flex on the container, then use justify-content for main...
20 commands
CSS Grid Cheatsheet
CSS Grid is a 2D layout system. Set display: grid and define columns with grid-template-columns. Use auto-fit with minma...
20 commands
JavaScript Array Methods Cheatsheet
JavaScript arrays have powerful built-in methods. Use map() to transform, filter() to select, reduce() to aggregate, fin...
25 commands
Python String Methods Cheatsheet
Python strings are immutable — all methods return new strings. Use split() to tokenize, join() to combine, strip() to tr...
20 commands
SQL Commands Cheatsheet
This cheatsheet covers 30 essential SQL commands: SELECT queries, JOINs, aggregation (GROUP BY, HAVING), data modificati...
30 commands
curl Commands Cheatsheet
curl is the universal command-line tool for making HTTP requests. Use -X for method, -H for headers, -d for body data, -...
20 commands
Vim Commands Cheatsheet
Vim has two main modes: Normal (for navigation/commands) and Insert (for typing). Press i to enter Insert mode, Esc to r...
25 commands
chmod Permissions Cheatsheet
chmod sets file permissions using octal numbers. Each digit represents owner/group/others. 4=read, 2=write, 1=execute. C...
15 commands
Tailwind CSS Classes Cheatsheet
Tailwind CSS uses utility classes for styling. Spacing uses p-/m- with scale (4 = 1rem). Text uses text-sm/base/lg/xl. F...
30 commands