If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Java 9 introduced JShell, a read-evaluate-print and loop (REPL) tool that greatly simplifies ...

Quick: If you shout "regular expressions" in a crowd of Linux users, what happens? Answer: Everyone will tell you the right way to use them, and every answer will be different. Regular expressions -- ...

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

Modern operating systems can support extraordinarily large volumes of users, but run into limitations with threads to support them due to CPU and memory constraints. Java historically has dealt with ...

Recently Microsoft has introduced a game-changing set of functions in it’s Excel spreadsheet software that harness the power of Regular Expressions (REGEX) to streamline data extraction, cleaning, and ...

Jake Armstrong, the product manager on the Excel team, announced that Microsoft 365 Insiders will be able to use three new functions: REGEXTEST, REGEXEXTRACT, and REGEXREPLACE, which employ Regular ...

A callback operation in Java is one function that is passed to another function and executed after some action is completed. A callback can be executed either synchronously or asynchronously. In the ...