Night Zen - articles on web development, programming and computer topics.
The img and picture tags are designed for loading images. Each of them allows you to define a set of rules according to which the browser will choose which of the images to load. Let's take a look at the syntax and differences of these tags. First, y...
First, create a TypeScript project with create-next-app using the --ts or --typescript flag like so: yarn create next-app --typescript or npx create-next-app --ts Add required libraries: yarn add -D jest @types/jest react-test-renderer @types/react-t...
Markdown is a lightweight markup language for adding formatting to regular text documents. Using Markdown Most people use Markdown for content creation, such as blog articles or email newsletters. Most git repos have a README.md file that contains a ...
Oh My Zsh is a delightful open source framework for managing Zsh configuration. It comes bundled with thousands of useful features, plugins and themes. For Oh My Zsh to work, you need to have Zsh installed. Installing on Linux The installation proces...
Emmet is a text editor utility that makes writing and editing code easier and faster. Originally the word "Emmet" meant an ant - a small insect that can carry 50 times its weight. To use Emmet, you need to download and install the plugin for the text...
JSDoc is a markup language used to annotate JavaScript source code using comments. The annotations are then processed by various tools to generate documentation in accessible formats such as HTML and Rich Text Format. Getting started Creating a new p...
Apollo Server is an open source, spec-compliant GraphQL server that is compatible with any GraphQL client. This tutorial assumes you are familiar with the command line, JavaScript, and MongoDB. Also you must have MongoDB database installed. Instructi...
Validation The GraphQL type system allows you to validate a query for correctness before executing it. Here are some cases in which an error will be returned: A field is requested that is not contained in this type. An object is requested for which ...
Each GraphQL service defines a set of types that describe the set of possible data that you can query on that service. This set of types is called a GraphQL schema. Then, when requests come in, they are checked and executed according to this schema. ...
