Uglier than a Windows backslash, odder than ===, more common than PHP, more unfortunate than CORS, more disappointing than Java generics, more inconsistent than XMLHttpRequest, more confusing than a C preprocessor, flakier than MongoDB, and more regrettable than UTF-16, the worst mistake in computer science was introduced in 1965.

Scala is a statically typed language that runs on the JVM. On first glance, it kind of looks like a cross between Ruby and C#

This site helps you exploring modern SQL. Features are explained in simple terms. Use-cases demonstrate their power. Compatibility is well documented.

When we talk about time that can be measured with a stopwatch, we’re talking about objective time or clock time. Objective time, though, is usually different from how users perceive time while waiting for or interacting with a website, app, etc. When we talk about the user’s perception of time, we mean psychological time or brain time.

One of the most useful features of any version control system is the ability to "undo" your mistakes. In Git, "undo" can mean many slightly different things. When you make a new commit, Git stores a snapshot of your repository at that specific moment in time; later, you can use Git to go back to an earlier version of your project.

The next time you’re thinking of throwing away a used boarding pass with a barcode on it, consider tossing the boarding pass into a document shredder instead. Two-dimensional barcodes and QR codes can hold a great deal of information, and the codes printed on airline boarding passes may allow someone to discover more about you, your future travel plans, and your frequent flyer account.

Your website is slow, but the backend is fast. How do you diagnose performance issues on the frontend of your site?

The nicest thing you can say to a project manager or your boss is something like “I am done with my task / project“. Everybody loves people who are getting things done.