Code Q&A Questions

What is an N+1 query?

An N+1 query is a performance problem where your code runs far more database queries than it...

#facts #database

What is a JWT?

A JWT (sometimes pronounced "jot") is how most modern APIs keep track of who's logged in. Web...

#facts #security

What is CSS specificity?

CSS specificity is how the browser decides which style to apply when multiple CSS rules target...

#facts #css

What is an NPM package?

An NPM package is a reusable chunk of JavaScript code that someone has packaged up and published...

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What is Node.js?

Node.js lets you run JavaScript outside of the browser, on your computer or a server. Node.js was...

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What does SEO mean?

SEO stands for Search Engine Optimization. It's how you make your website show up higher in...

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What is throttle?

Throttle is a technique that limits how often a function can fire, no matter how many times it...

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What is debounce?

Debounce is a technique that delays executing a function until after a user has stopped...

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What is HMR?

HMR (Hot Module Replacement) is a feature in modern web development tools that updates your app...

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What is a CDN?

A CDN (Content Delivery Network) is a network of servers spread around the world that delivers...

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