Global variables are divisive: an invaluable shortcut or a dangerous example of sloppy code? Let's talk about what they do, ...

JavaScript is a sprawling and ever-changing behemoth, and may be the single-most connective piece of web technology. From AI ...

It has been said that there are only two difficult tasks in modern software development: distributed cache invalidation and how to name stuff. The following variable naming conventions won't assist ...

Reflection was essential to the advanced Java toolkit for years. Now it's being superseded by newer, safer options. Here's how to use MethodHandle and VarHandle to gain programmatic access to methods ...

Libraries are collections of shared code. They're common in Python, where they're also called "modules," but they're also ...

Bash functions, unlike functions in most programming languages do not allow you to return a value to the caller. When a bash function ends its return value is its status: zero for success, non-zero ...

This paper is concerned with the determination of tight lower and upper bounds on the expectation of a convex function of a random variable. The classic bounds are those of Jensen and ...