Шпаргалки по программированию
Бесплатные краткие справочники без регистрации для языков и инструментов, которыми вы пользуетесь каждый день. Сохраните нужный, скопируйте, что необходимо, и попробуйте вживую в песочнице.
SQL ШпаргалкаEvery SQL statement, clause, and join you reach for, on one page.Excel ШпаргалкаEvery Excel formula, function, and shortcut you reach for, on one page.Python ШпаргалкаPython syntax, data structures, and standard-library staples at a glance.Pandas ШпаргалкаCreate, select, filter, clean, group, merge and plot DataFrames in pandas 3.NumPy ШпаргалкаArrays, slicing, axis math, reshaping, random numbers and linear algebra in NumPy 2.Matplotlib ШпаргалкаFigures and axes, every common plot type, labels, legends, subplots and styles.Scikit-learn ШпаргалкаThe sklearn workflow: split, preprocess, fit, predict, score, pipelines and grid search.Git ШпаргалкаThe Git commands you forget, from staging to rebasing to undo.Linux Commands ШпаргалкаNavigate, search, and manage files from the Linux command line.JavaScript ШпаргалкаModern JavaScript syntax, array methods, and async patterns on one page.TypeScript ШпаргалкаTypeScript types, interfaces, generics, and utility types at a glance.Regex ШпаргалкаRegular-expression tokens, quantifiers, groups, and lookarounds.HTML ШпаргалкаEvery HTML tag and attribute you need, grouped by what it does.CSS ШпаргалкаSelectors, the box model, flexbox, grid, and the properties you forget.Markdown ШпаргалкаMarkdown and GitHub Flavored Markdown syntax, with what each line renders.Java ШпаргалкаJava syntax, types, collections, and OOP keywords on one page.C++ ШпаргалкаC++ syntax, the STL, pointers, references, and classes at a glance.C ШпаргалкаC syntax, types, pointers, format specifiers, and the standard library.C# ШпаргалкаC# syntax, types, LINQ, collections, and OOP keywords on one page.Go ШпаргалкаGo syntax, slices, maps, structs, goroutines, and error handling.PHP ШпаргалкаPHP syntax, arrays, strings, superglobals, and the functions you forget.Rust ШпаргалкаRust syntax, ownership, borrowing, enums, traits, and pattern matching.Ruby ШпаргалкаRuby syntax, blocks, arrays, hashes, and the methods you reach for.Swift ШпаргалкаSwift syntax, optionals, collections, closures, and structs vs classes.Dart ШпаргалкаDart syntax, null safety, collections, async, and classes at a glance.Lua ШпаргалкаLua syntax, tables, functions, and the standard-library staples.GDScript ШпаргалкаGDScript syntax, types, collections, classes, and signals for Godot 4.Pygame ШпаргалкаThe game loop, drawing, Rect, sprites, collisions, input and sound for pygame.Luau ШпаргалкаLuau's type syntax plus the operators and sugar Lua doesn't have.R ШпаргалкаR syntax, vectors, data frames, and the data-wrangling staples.Verilog ШпаргалкаVerilog HDL syntax, modules, always blocks, and operators.Solidity ШпаргалкаSolidity syntax, types, mappings, modifiers, events, and errors.Kotlin ШпаргалкаKotlin syntax, null safety, when, collections, and functions.Terminal ШпаргалкаShell commands for navigation, files, pipes, and process control.
