Default Map Value – DZone

In this post, I’ll explain how to provide a default value when querying an absent key in a hash map in different programming languages. Java Let’s start with Java, my first professional programming language. In older versions, retrieving a value...

August 16, 2024

Implementing the Idempotency-Key specification on Apache APISIX

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Implementing the Idempotency-Key specification on Apache APISIX

Last week, I wrote an analysis of the IETF Idempotency-Key specification. The specification aims to avoid duplicated requests. In short, the idea is for the client to send a unique key along with the request: If the server doesn’t know...

April 11, 2024

Development News

Understanding Loops in Lua

Understanding how to effectively use looping constructs like for and while in Lua is fundamental for any programmer. In this article, we’ll explore the for and while loops in Lua, providing practical examples. Exploring Lua’s for loops Leveraging the power...

April 2, 2024

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Writing and Reading Text Files in Lua

Let’s talk about something practical: handling text files in Lua. It’s like having a virtual notebook where you can jot down your thoughts or read back your notes later. In this article, we’ll take a friendly stroll through Lua’s file...

March 22, 2024

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Understanding Comments in Lua

Think of comments as the sticky notes you leave around your code to remind yourself or others what’s going on. They’re like little signposts that make navigating your Lua code easier. In this article, we’ll take a closer look at...

March 22, 2024

Development News

Understanding Variables in Lua

Variables are fundamental elements in programming languages like Lua. They act as placeholders for storing data that can be manipulated or referenced throughout a program. In Lua, variables can hold various types of data, such as numbers, strings, and tables....

March 19, 2024