When the macro processor executes a macro program statement that can create a macro variable (such as a %LET statement), the macro processor attempts to change the value of an existing macro variable ...

Global variables are divisive: an invaluable shortcut or a dangerous example of sloppy code? Let's talk about what they do, ...

In programming, a variable used only within the routine or function it is defined in. When the function is finished and control is returned back to the part of the program that called it, the local ...

Ever wonder why Java's const keyword is unimplemented? More specifically, why do we mark global constants in Java with both the static and final keywords? Why are Java constants static and final? The ...

Reflection was essential to the advanced Java toolkit for years. Now it's being superseded by newer, safer options. Here's how to use MethodHandle and VarHandle to gain programmatic access to methods ...