Language pitfalls

What do you mean "true does not equal true"... what planet is this?

Whether 2 + 2 = 4 is never as simple as it might seem...

Using Promises incorrectly Not respecting the order of code execution can have unexpected result...

Some languages have weird rules for null comparisons and falsey values; try to keep that in mind ...

In some languages, you have to pay attention to using variables from a greater scope (e.g. a glob...

"It's not Java!!"

In most languages, a long is a 64-bit integer, for use when a 32-bit integer isn't big enough. Ja...

Certain objects (like Maps) can't be stringified directly - you'll get an empty object as the res...

Suppose we have some code like this: // elementsArray is an array of 10 jQuery objects for (let...

Warning: undefined array key "brain" on line 5

Some seemingly basic functions only exist in PHP 8+ Some normally core functions in other langua...

A lot of older PHP functions and constants are effectively deprecated or not recommended for use,...

"It's not JavaScript!!"

Invoking changes to your Swing UI All Swing events happen on one thread (The EDT, or Event Dispa...