ANSI Colors simpler
When it comes to enhancing the visual appeal of console applications, one powerful and straightforward technique is to use ANSI color codes. These codes allow you to apply various colors…
Convert CSV to JSON and JSON to CSV with CSVJSONConverter
In today’s data-driven world, it’s common to work with different data formats like CSV (Comma-Separated Values) and JSON (JavaScript Object Notation). Converting data between these formats is a common task…
Caching Objects
Sometimes you need to maintain a large number of objects in memory. If it is strings you may want to take a look at StringCache, which is based on my…
String Cache
Sometimes an application will have a large number of Strings. Due to memory we certainly do not want to keep multiple instances of duplicate strings in memory. A string cache…
Complex Queries for Java data
Recently a project I was working on called for a complex filter that was needed for selecting specific elements from a large data set. Looking at various methods of doing…
CalUtils
Recently had a need to break things out over a given date range into month-long increments. I found a solution that did this, however, I was not happy with it…