blakeembrey/code-problems

This repository has been archived on 12/Dec/2023
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blakeembrey/code-problems

blakeembrey

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Common code and interview problems solved in multiple languages

Code Problems

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This is an incomplete repo full of code problems used prior to or during an interview. I hope these problems will be useful for you to practice and review. If you have practiced on or designed an interesting problem, we'd love to see it! Open a PR or issue with your suggestions or optimizations.

Problems

View all problems, or start here:

Sorting Algorithms

Data Structures

Stack
Queue
Linked List
Binary Search Tree Check Not an implementation, checks for a valid implementation

DOM Problems

Get Elements By Class Name

Shortest Code Problems

Shortest Fizz Buzz

Tests

npm install # Installs `mocha` and any other dependencies needed to run
npm test    # Runs the testing scripts

Contributing

If you have a problem or solution that's not currently not included, please open an issue or pull request! If you're including new content, please make sure you have permission to publish the content you are adding. Under no circumstance should you copy problems online without a visible license or attribution, or from coding interview websites such as Codility.

change-case

Convert strings between camelCase, PascalCase, Capital Case, snake_case and more

free-style

Make CSS easier and more maintainable by using JavaScript

atom-dash

Dash documentation integration with Atom

tslint-config-standard

A TSLint config for JavaScript Standard Style

sql-template-tag

ES2015 tagged template string for preparing SQL statements, works with `pg`, `mysql`, and `sqlite`

co-mocha

Enable support for generators in Mocha tests

react-free-style

Make React components easier and more maintainable by using inline style objects

javascript-stringify

Stringify is to `eval` as `JSON.stringify` is to `JSON.parse`

compose-middleware

Compose an array of middleware into a single function for use in Express, Connect, router, etc

array-flatten

Flatten a multi-dimensional array in JavaScript.

writing

New posts will be on Substack

make-error-cause

Make your own nested errors

node-language-detect

Detect the programming language of any file in JavaScript

dombars

*DEPRECATED* DOM-based templating library with data-binding and built on Handlebars

language-map

JSON version of the programming language map used in Linguist

node-htmlmetaparser

A `htmlparser2` handler for parsing rich metadata from HTML. Includes HTML metadata, JSON-LD, RDFa, microdata, OEmbed, Twitter cards and AppLinks.

async-middleware

Wrap an asynchronous middleware (or handler) function for Express, Connect, router, etc.

metalsmith-pagination

A Metalsmith plugin for paginating arrays and collections

readable

Make articles readable again

keyboard-manager

Small keyboard shortcut management for DOM-based applications

stylus-type-utils

Stylus typography functions and type conversion

universal-base64

Small universal base64 functions for node.js and browsers

simulate-event

A library for triggering DOM events.

highlighter

Add syntax highlighting to all files, with built-in syntax highlighting of diffs and patches

node-numbered

Stringify any number into words, and parse number strings back to a number

deque

JavaScript implementation of a double-ended queue

node-immigration

Simple, no-frills migration utility

arity

Set the length of a function in JavaScript

iterative

Functions for working with iterators in JavaScript and TypeScript

node-module-template

My standard node module template

universal-base64url

Small universal base64url functions for node.js and browsers

code-challenge

Command line interface for running code challenges

is-generator

Check whether a given value is a generator function

kroute

Modular Koa router middleware with Express-style routes and middleware mounting

js-functools

Utilities for working with functions in JavaScript, with TypeScript

dotfiles

decorator-debug

Simple ES7 decorator for debugging classes and methods

decorator-cache-getter

Simple decorator for caching getters on first access

just-css-properties

An array of all known browser CSS properties

typescript-simple-loader

Feature complete TypeScript loader for webpack

nary

Force a functions arity in JavaScript

metalsmith-snippet

A Metalsmith plugin for extracting snippets from files.

sql-type

Type-safe SQL builder using ES2015 template tags

react-location

Light-weight and universal react routing

atom-alignment

Align selections for Atom `⌘⌥^ ]`

react-route

React Location with Path-to-RegExp

promise-finally

Simple wrapper to run promise "finally" logic

variadic

A JavaScript utility for creating variadic functions

retest

Request driven library for testing node.js HTTP servers

node-dombarsify

DOMBars pre-compilation plugin for Browserify.

partial

A functional utility for doing partial application in JavaScript

decorator-when

Simple ES7 decorator for short-cutting method execution

style-helper

Small helpers for working with CSS-in-JS

node-ranged

The missing JavaScript range function

decorator-memoize-one

Simple decorator for caching the result of a function based on the most recent arguments

metalsmith-collections-paginate

[DEPRECATED] Use https://github.com/blakeembrey/metalsmith-pagination

setvalue

Set a nested value from an object by path

dedent-tag

ES2015 tagged template string for removing indent from strings

a-brief-history-of-types-with-typescript

Talk for SF TS Meetup (2018-11-08)

base64url

Base64 URL for node.js buffers

server-address

Listen to a randomly available port and resolve urls relative to the server address

invoke

Functional utility for invoking the same method on every call in JavaScript

getvalue

Get a nested value from an object by path

back-row

A media server for watching movies and shows in a browser, streamed directly from a server

js-template

Fast and simple string templates

code-challenge-euler

Run Project Euler challenges in the command line

co-retest

Simple wrapper for the retest library for co-like interfaces (node.js generators)

node-exiftool2

Wrapper for efficiently working with `exiftool`

token-hash

Generate base64url encoding from the left-most half of the hash of a token.

map-pointer

Map from one object to another using JSON pointers

node-language-command

Look up the command for executing a program in any language

each

Iterate over an object, array or string in JavaScript

authwith

Re-usable authentication library

blakeembrey.me

Personal placeholder page and resume

node-language-detect-exec

Automatically execute a file in a known programming language using node

filter

Filter an object, array or string in JavaScript

typescript-talk

Presentation on TypeScript

node-alignment

Naive alignment of a block with variable assignments in JavaScript

hydra-buttons

Consistent cross-browser button implementation

node-immigration-rethinkdb

RethinkDB adapter for immigration

node-language-exec

Execute a file in any programming language using node

hydra-input-groups

Simple groups for inputs and buttons

hydra-form

Simple form style resets and beautification

node-trimmer

Quick module to trim any characters from either side of a string.

exif-date

Parse an EXIF date string into a `Date` object

hydra-code

Simple CSS reset for code blocks.

envify-config

Browserify transform for replacing process.env variables with the config module settings.

hasvalue

Check if a value exists at a nested property path

node-language-spawn

Spawn a file process in any programming language using node

code-challenge-n-queens

Solve various n-queens problems in the terminal

hydra-typography

Simple default typography and font style decisions

node-string-token

Generate a random token of length and characters

get-headers

Retrieve all HTTP(s) headers as an object with original casing

map

Map over an object, array or string in JavaScript

node-bit-string-mask

Mask a string using bits from an input number

node-language-detect-spawn

Automatically spawns a file in a known programming language using node

hydra-grid

Powerful fluid grid generator for Stylus and CSS

popsicle-proxy-agent

Enable proxy support for Popsicle (for node)