Glossary

What is CSS? — step-by-step DevOps tutorial on Progressive Robot

What is CSS?

CSS (Cascading Style Sheets) is a stylesheet language used to control the presentation of websites. Alongside HTML and JavaScript, CSS is one of the core technologies of the World Wide Web.

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What is Laravel? — step-by-step Programming tutorial on Progressive Robot

What is Laravel?

Laravel is a free and open-source PHP framework that provides a set of tools and resources to build modern PHP applications. With a complete ecosystem leveraging its built-in features, and a variety of compatible packages and extensions, Laravel has seen its popularity grow rapidly in the past few years, with many developers adopting it as their framework of choice for a streamlined development process.

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What is Redis? — step-by-step Databases tutorial on Progressive Robot

What is Redis?

Redis is an open-source key-value data store known for its flexibility, performance, and wide language support. An in-memory database, Redis is also known for its speed and has found wide use as a cache and message broker, as well as a database.

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What is Data Analysis? — step-by-step DevOps tutorial on Progressive Robot

What is Data Analysis?

Data analysis refers to the practice of investigating the structure of data and using it to identify patterns and possible solutions to problems. Within this domain, data science draws on methodologies from statistics, mathematics, and computer science to analyze data from past events, and to…

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What is LEMP? — step-by-step Web Servers tutorial on Progressive Robot

What is LEMP?

LEMP refers to a collection of open-source software that is commonly used together to serve web applications. The term LEMP is an acronym that represents the configuration of a Linux operating system with an nginx web server, with site data stored in a MySQL database and dynamic content processed by PHP.

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What Is REPL? — step-by-step DevOps tutorial on Progressive Robot

What Is REPL?

A Read-Eval-Print Loop, or REPL, is a computer environment where user inputs are read and evaluated, and then the results are returned to the user. REPLs provide an interactive environment to explore tools available in specific environments or programming languages. Some examples include the Node.js console, IPython, the Bash shell, and the developer console found in most web browsers.

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What is a Content Security Policy? — step-by-step Security tutorial on Progressive Robot

What is a Content Security Policy?

A Content Security Policy (CSP) is a mechanism for web developers to increase the security of their websites. By setting a Content Security Policy, web developers can instruct web browsers to only load resources from certain trusted domains, enforce secure HTTPS connections, and even report policy violations as they occur. This can prevent many content injection and cross-site scripting (XSS) vulnerabilities, which often lead to data leaks, website vandalism, and malware distribution.

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What is an HTML Element? — step-by-step DevOps tutorial on Progressive Robot

What is an HTML Element?

An HTML element is a component of an HTML document that tells a web browser how to structure and interpret a part of the HTML document. HTML elements can contain formatting instructions, semantic meaning, and content.

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