Foundation · Libraries · Uncategorized

A YAML Library for Delphi

YAML has become a quite popular human-readable data serialization language. Unfortunately, there aren’t many Delphi libraries that provide tools for it. I hope to fill this void with Neslib.Yaml, a personal project build on top of LibYaml that provides support for parsing and generating YAML documents and streams. LibYaml Bindings Neslib.Yaml uses LibYaml to perform… Continue reading A YAML Library for Delphi

Foundation · Optimization · Tips & Tricks · Uncategorized

Allocation-Free Collections

Say you have a method that creates a temporary list to gather some data. You calculate some statistics based on that data and then you destroy the list again. You call this method a lot, resulting in lots of memory allocations and deallocations and increased memory fragmentation. In addition, all this memory management takes time… Continue reading Allocation-Free Collections

Communications · Tips & Tricks · Uncategorized

iOS and macOS App Extensions with Delphi

In this article we are going to cover how to package iOS and macOS Application Extensions with your Delphi developed iOS and macOS application and interact with the Application Extension from Delphi using the Application Groups API. Introduction There are numerous features on iOS and the Mac that are only available using Application Extensions. App… Continue reading iOS and macOS App Extensions with Delphi

Optimization · Tips & Tricks · Uncategorized

Inline Variables can increase performance

Delphi 10.3 Rio will add inline variables to the language. Besides the various benefits mentioned in Marco’s blog post that introduces the concept, inline variables can potentially improve performance of your code. It’s all about scope If you have been reading my articles, then you may know that I am a sucker for performance. That’s… Continue reading Inline Variables can increase performance

Foundation · Libraries · Uncategorized

Query JSON documents with JSONPath

We have extended our JSON and BSON library with functionality to query JSON documents using an XPath-like query language called JSONPath. About JSONPath JSONPath is to JSON what XPath is to XML. It enables you to search for data in a JSON document using a simple query language somewhat similar to XPath. Although there is… Continue reading Query JSON documents with JSONPath

Communications · Libraries

Creating high-performance UDP servers on Windows and Linux

There is a lack of information available on building highly scalable UDP servers on the Internet.  What information exists, often falls short of best practices.  UDP servers are the central backbone of many video game servers and streaming services, but very few good examples or discussions exist on how to construct them on Windows and Linux.  This article… Continue reading Creating high-performance UDP servers on Windows and Linux