Find max common divisor
Find max common divisor.
IP address classes and subnetting
IP address classes (Class A, B, C) and subnetting (CIDR).
OSI model and DoD model
OSI model and DoD (TCP/IP) model in computer networking.
Setup selenium grid to use in robotframework
Setup selenium grid to use in robotframework for web browser automation testing.
Python open file with with statement
It is good practice to use the with keyword when dealing with file objects. This has the advantage that the file is properly closed after its suite finishes, even if an exception is raised on the way. It is also much shorter than writing equivalent try-finally blocks.
Python multiprocessing
Python multiprocessing.
Python multithreading
Python multithreading. NOTE that although multiple threads can run within the python interpreter, ONLY one thread is being executed by the interpreter at any given time, which is ensured by the GIL (global interpreter lock) in python virtual machine. Python multithreading is more appropriate for I/O-bound applications than for CPU-bound applications as I/O releases GIL.
Java private field access
Java private field access.
Java okhttp trustall certificate
Java okhttp client trustall certificate (for test only).
Java static class
In Java, static fields and static methods are common but how about static class? Here is an example.