Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more.

Microsoft Word's Replace feature is under-used because the more complex the requirement, the more complex the solution. If you're inserting characters into the middle of a string, there is a solution.

Take advantage of string interpolation to incorporate variable substitution in formatted strings in C#.

What does %n in Java printf mean? When you format a String with Java printf, you can use %n in place of \n to specify a line break. What is the standard Java printf syntax? The format of the Java ...