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RMI requires 3 components: client, server and a shared remote interface. The shared remote interface defines the client-server contract by specifying the methods a server must implement. The interface must be visible to the server so that it can implement the methods; the interface must be visible...

The java.util.Iterator is the standard Java SE interface for object that implement the Iterator design pattern. The java.lang.Iterable interface is for objects that can provide an iterator. It is possible to iterate over an array using the for-each loop, though java arrays do not implement Iterab...

JavaScriptSerializer vs Json.NET The JavaScriptSerializer class was introducted in .NET 3.5 and is used internally by .NET's asynchronous communication layer for AJAX-enabled applications. It can be used to work with JSON in managed code. Despite the existence of the JavaScriptSerializer class,...

SQL is Structured Query Language used to manage data in a relational database system. Different vendors have improved upon the language and have variety of flavors for the language. NB: This tag refers explicitly to the ISO/ANSI SQL standard; not to any specific implementation of that standard. ...

JavaScript (not to be confused with Java) is a dynamic, weakly-typed language used for client-side as well as server-side scripting. JavaScript is a case-sensitive language. This means the language considers capital letters to be different from their lowercase counterparts. Keywords in JavaScri...

Functions in JavaScript provide organized, reusable code to perform a set of actions. Functions simplify the coding process, prevent redundant logic, and make code easier to follow. This topic describes the declaration and utilization of functions, arguments, parameters, return statements and scope ...

PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source programming language. It is especially suited for web development. The unique thing about PHP is that it serves both beginners as well as experienced developers. It has a low barrier to entry so it is easy to ge...

Notes 1- You do not need an Apple Developer Account to start developing iOS Apps. The documentation and tools are free to download with your Apple ID. You can also sign and install apps on your personal devices using that same Apple ID. If you want to distribute or sell apps on the App Store,...

Python is a widely used programming language. It is: High-level: Python automates low-level operations such as memory management. It leaves the programmer with a bit less control but has many benefits including code readability and minimal code expressions. General-purpose: Python is b...

Ruby is a multi-platform open-source, dynamic object-oriented interpreted language, designed to be simplistic and productive. It was created by Yukihiro Matsumoto (Matz) in 1995. According to its creator, Ruby was influenced by Perl, Smalltalk, Eiffel, Ada, and Lisp. It supports multiple progra...

List comprehensions in Python are concise, syntactic constructs. They can be utilized to generate lists from other lists by applying functions to each element in the list. The following section explains and demonstrates the use of these expressions. [x + 1 for x in (1, 2, 3)] # list comprehen...

Go is an open-source, compiled, statically typed language in the tradition of Algol and C. It boasts features such as garbage collection, limited structural typing, memory safety features, and easy-to-use CSP-style concurrent programming. The latest major version release is in bold below. Full...

VersionRelease Date1.01983-01-012.02007-10-27Modern2014-03-10

Django advertises itself as "the web framework for perfectionists with deadlines" and "Django makes it easier to build better Web apps more quickly and with less code". It can be seen as an MVC architecture. At it's core it has: a lightweight and standalone web server for de...

Swift is an application and systems programming language developed by Apple and distributed as open source. Swift interoperates with Objective-C and Cocoa/Cocoa touch APIs for Apple's macOS, iOS, tvOS, and watchOS operating systems. Swift currently supports macOS and Linux. Community efforts are...

PHP's functional programming relies on functions. Functions in PHP provide organized, reusable code to perform a set of actions. Functions simplify the coding process, prevent redundant logic, and make code easier to follow. This topic describes the declaration and utilization of functions, argument...

The 'Hello World' program is a common example that can be simply used to check compiler and library presence. It uses the C++ standard library, with std::cout from <iostream>, and has only one file to compile, minimizing the chance of possible user error during compilation. The process fo...

When using boolean coercion, the following values are considered "falsy": false 0 "" (empty string) null undefined NaN (not a number, e.g. 0/0) document.all¹ (browser context) Everything else is considered "truthy". ¹ willful violation of the ECMAScript ...

jQuery is a JavaScript library which simplifies DOM operations, event handling, AJAX, and animations. It also takes care of many browser compatibility issues in underlying DOM and javascript engines. Each version of jQuery can be downloaded from https://code.jquery.com/jquery/ in both compressed ...