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Dplyr

dplyr cheat sheet is a quick reference for dplyr that is a grammar of data manipulation, providing a consistent set of verbs that help you solve the most common data manipulation challenges.

Regex

A regular expression is a sequence of characters that specifies a search pattern.

PySpark

PySpark is an interface for Apache Spark in Python. It not only allows you to write Spark applications using Python APIs

Golang

Go is a statically typed, compiled programming language designed at Google by Robert Griesemer, Rob Pike, and Ken Thompson.

Watchman

Watchman exists to watch files and record when they change. It can also trigger actions (such as rebuilding assets) when matching files change.

Rollup.Js

Rollup Rollup is a module bundler for JavaScript which compiles small pieces of code into something larger and more complex, such as a library or application.

Bluebird.Js

Bluebird is a fully-featured Promise library for JavaScript. The strongest feature of Bluebird is that it allows you to "promisify" other Node modules in order to use them asynchronously. Promisify is a concept applied to callback functions.

Flow

Flow is a static type checker for your JavaScript code. It does a lot of work to make you more productive. Making you code faster, smarter, more confidently, and to a bigger scale.

Node.Js Api

Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.

C Preprocessor

Quick reference for the C macro preprocessor, which can be used independent of C/C++.

Sass

Sass is a preprocessor scripting language that is interpreted or compiled into Cascading Style Sheets. SassScript is the scripting language itself. Sass consists of two syntaxes.

Activeadmin

Active Admin is a Ruby on Rails plugin for generating administration style interfaces. It abstracts common business application patterns to make it simple for developers to implement beautiful and elegant interfaces with very little effort.

Fetch

The Fetch standard defines requests, responses, and the process that binds them: fetching.

Httpie

$ http POST http://example.com name="John" Host:example.com — JSON, cookies, files, auth, and other httpie examples.

Rspec

RSpec is a computer domain-specific language testing tool written in the programming language Ruby to test Ruby code. It is a behavior-driven development framework which is extensively used in production applications.

Saucelabs

Sauce Labs allows users to run tests in the cloud on more than 700 different browser platforms, operating systems, and device combinations.

Jasmine

Jasmine is a behavior-driven development framework for testing JavaScript code.

Sequelize

Sequelize is a promise-based Node.js ORM for Postgres, MySQL, MariaDB, SQLite and Microsoft SQL Server.

Ubuntu

Ubuntu is a Linux distribution based on Debian and composed mostly of free and open-source software. Ubuntu is officially released in three editions: Desktop, Server, and Core for Internet of things devices and robots.

Rails Models

Ruby on Rails, or Rails, is a server-side web application framework written in Ruby under the MIT License. Rail is a model–view–controller framework, providing default structures for a database, a web service, and web pages.

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