Explains an idea
113 entries match these filters
- 0300 What is a REST API? A REST API is a web API where you use normal HTTP requests on URLs to read, create, update and delete things. Beginner · Explains an idea · Any system Article Making requests 15 Oct 2026
- 0301 What is HTTP? HTTP is the request and response language that browsers, apps and servers use to exchange web pages and data. Beginner · Explains an idea · Any system Article Making requests 15 Oct 2026
- 0302 What is a status code? A status code is the three digit number a web server returns to say whether a request worked, like 200 OK or… Beginner · Explains an idea · Any system Article Status codes 15 Oct 2026
- 0303 What is CORS? CORS is a browser rule that decides whether a web page from one site is allowed to call an API on another… Beginner · Explains an idea · Any system Article Making requests 15 Oct 2026
- 0304 What is a cookie? A cookie is a small piece of text a website stores in your browser so it can recognise you on the next… Beginner · Explains an idea · Any system Article Authentication 15 Oct 2026
- 0289 What is a process? A process is a running program; the operating system gives each one its own memory and an ID number. Beginner · Explains an idea · Any system Article Processes & ports 15 Oct 2026
- 0305 What is a token? A token is a string that proves who you are or what you may do, sent with requests instead of a password. Beginner · Explains an idea · Any system Article Authentication 15 Oct 2026
- 0290 What is a cron job? A cron job is a command scheduled to run automatically at set times, such as every night at two o'clock. Beginner · Explains an idea · Any system Article cron & timers 15 Oct 2026
- 0306 What is hashing? Hashing turns any data into a fixed length fingerprint that cannot be reversed, used to check files and store passwords. Beginner · Explains an idea · Any system Article Secrets & access 15 Oct 2026
- 0291 What is a log? A log is a running record of what a program did and when, written to a file so you can look back… Beginner · Explains an idea · Any system Article Logs 15 Oct 2026