Errors are undesirable for users and you should do everything in your control to keep users away from them. However, they are of utmost importance for developers. They allow developers to understand the inaccuracies and vulnerabilities in their code by alerting them when their code breaks. They also provide relevant ... Read more

A Python decorator wraps a target function with another wrapper function. This wrapper function can add any behavior you might want. For example, it can track execution times, redefine how the wrapped function runs, or modify return values. As a concrete example, the standard library’s functools.lru_cache() decorator wraps a target ... Read more

PHP is a weakly typed language. This means that when initializing a variable in PHP, one doesn’t need to declare the variable type. PHP implicitly declares a data type for your variable. This can save you from prospective type errors in your code. When working with programming languages, it is ... Read more

Memory leaks can happen in any language, including PHP. These memory leaks may happen in small increments that take time to accumulate, or in larger jumps that manifest quickly. Either way, if your app has a memory leak, sooner or later it will cause problems. The source of and solution ... Read more

Ruby may be over 25 years old, but it remains popular in the software community for its focus on programmer happiness. Building software with Ruby often involves leveraging one or more popular frameworks for the purpose of increasing productivity by relying on existing solutions to common problems. Ruby frameworks generally ... Read more

Each programming language constitutes a basic set of rules that define the flow of control in a program based on certain conditions. They specify the sequence and order of execution of instructions in your code. These control structures lie at the core of programming paradigms and are usually the first ... Read more

Ruby Garbage Collection: More Exciting than it Sounds Running software uses computer memory for data structures and executable operations. How this memory is accessed and managed depends on the operating system and the programming language. Many modern programming languages manage memory for you, and Ruby is no different. Ruby manages ... Read more

PHP’s JSON_Encode Function: Convert PHP to JSON PHP is a server-side scripting language for creating your website’s backend system that can serve webpages, communicate with databases, and exchange data over the internet. A decent backend framework like PHP needs to be capable of providing and processing data in any format ... Read more

Lambdas are a powerful feature of the Ruby language. They allow you to wrap logic and data into a portable package. In this post, we’ll cover how and when to use lambdas. You’’ll also learn about the difference between lambdas and Procs, and the performance profile of lambda functions. The ... Read more

Introduction Elixir describes itself as "a dynamic, functional programming language designed for building scalable and maintainable applications." Although it's a relative newcomer, Elixir is built on top of the functional programming language Erlang. Elixir is capable of using any Erlang library, and is ideal for use cases such as web ... Read more