JavaScript: You think you know it well?

Just because you are a C# or Java developer that you think you know JavaScript well.  Well I don’t.  But no worries, below are some quick pointers to remember: null and undefined are types, just like Numbers, Strings, Booleans, and Objects.  null indicates a deliberate non-value while undefined indicates an uninitialized value. Primitive/literal values (null, …

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Design Patterns: Factory Method, Abstract Factory, and Singleton

Back again with design patterns, defining them briefly and the design principles they are based on, and providing several very good (almost) real-world C# examples that are available on the Internet.  In this series we have the factory patterns and the singleton pattern and their several different implementations.   Design Pattern #4: Factory Method Pattern …

HTTP Fundamentals, Part 2: Communication Stack, HTTP Connections, and REST Style of Architecture

Communication Stack HTTP is the topmost layer in the communication stack and is called an application layer protocol.  From the web browser, it travels down a series of layers, and when it arrives at the web server, it then travels up through a series of layers.  The layers that make up the communication stack are: …