Amazon Web Services offers hundreds of services ranging from compute and storage services to various analytics and security applications.
The number of products offered by AWS is constantly growing, and as of 2020, includes as many as 238 individual services.
To build, debug, and test Dockerized apps on your macOS machine, you first need to install Docker. Docker is a highly complex product that includes the Docker daemon, Docker client program, and other components. All these components are provided within the official Docker application called Docker Desktop for Mac.
Material Design is a set of design guidelines.
HTTP headers are included with each HTTP request and response.
React 16 introduced hooks, a new way of using stateful features in React components. React both has built-in hooks and provides a way to write custom hooks.
Many markup and style sheet languages and protocols (HTML, CSS, XML, HTTP, and so on) use language tags in one way or another. Those language tags specify the language of the marked up or styled text.
Many websites have content in multiple languages targeting multiple countries. For the purposes of SEO, it is important to explicitly specify the target region and language codes for each page and link different page versions to each other.
Those who switched to TypeScript may experience problems with non-standard JSX/HTML props/attributes. React's type definition file (
@types/react/index.d.ts) only includes standard HTML and React elements and props/attributes.
Event-driven architecture is a software architecture based on generating and reacting to events.
The Unicode Standard is regularly updated to include more characters and emojis. The latest version of the standard, Unicode 13.0.0, was announced on March 10, 2020 and introduced 55 new emoji characters. This meant that the total number of emojis reached as many as 3,304.
There are different ways to embed a YouTube video in Markdown documents.
The Google Knowledge Graph is a knowledge base owned by Google and used in various products in services such as Search and Maps. It includes the definitions and facts about movies, books, TV shows, celebrities, authors, locations, companies, medical conditions, and many other types of entities, all available in multiple languages.
SPARQL is a query language for RDF data. It is commonly used in semantic web, linked data, and big data applications. There is a growing number of websites and organizations that provide SPARQL endpoints for querying their public data like Wikidata and DBpedia.
CSS variables, also known as CSS custom properties, are assigned reusable values such as colors, widths, font families, z-indices, and so on. The notation is as follows ...
There are five CSS properties that affect how text is split into lines to fill the container:
package.json does not support explicitly specifying which registries to route package requests to for its
It is possible that the project uses dependencies from the npm registry and one or more GitHub Packages.
Copying files to a remote server can be accomplished with
All data URLs begin with
data:, followed by the optional media type, encoding, and the data itself.
Servers use the SMTP protocol for sending and receiving email. SMTP is an application layer protocol, like HTTP, FTP, and SSH.
To start receiving email, one needs to have an SMTP server listening on port 25. An SMTP server is a computer/machine/process/application that accepts TCP connections and uses the SMTP protocol. Similarly, the HTTP client normally connects to the host's TCP port 80.
The GitHub package registry requires authentication for publishing with npm. Generate an access token and add this line to
A working example of Article structured data...
ChemDraw JS is a library for working with chemical structures. Its features include drawing chemical structures and reactions and converting names to structures and structures to names. It also supports hotkeys and shortcuts, structure templates, and structure query tools.
Notable users of ChemDraw JS include ChemDraw Cloud, Signals Notebook Individual Edition, Lead Discovery, and PerkinElmer Signals Lead Discovery.
To load private packages from the npm package registry or a private registry using
npm install, the npm client needs to authenticate to the registry.
npm uses the
_authToken values from the
.npmrc file to authenticate to each registry.
Unlike the regular
<select> has more complex
onChange logic ...
Follow these steps to export a repository from Google Cloud Source Repositories to GitHub ...
The best way to implement an accessible dropdown in HTML is to use the native
Running a .jsx file is easy.
This is an example of a controlled
<select> implementation in React using the JSX syntax: ...
This is an example of parsing a string containing XML content:
const bookXml = ` <book> <author>J. K. Rowling</author> <title>Harry Potter and the Philosopher's Stone</title> </book> `; const parser = new DOMParser() const doc = parser.parseFromString(bookXml, 'application/xml')
Next.js is a zero-setup framework for building React applications. It features file-system routing, code splitting, server-side rendering, and static exporting.
Great online experiences involve quick loading, no annoying ads, and other things. By forbidding various web technologies, the AMP (Accelerated Mobile Pages) standard generally helps produce better pages.
Google Data Studio is a powerful tool used to create live reports that can be used in a variety of ways.
This is how you can search the Google Knowledge Graph: ...
Non-functional requirements: a closer look
graphd is the application that powered Freebase (freebase.com). It has its own query language and is based on tuples.