DD
DevDash

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

Want API access + no ads? Pro coming soon.