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In software engineering, the singleton pattern is a design pattern that is used to restrict instantiation of a class to one object. This is useful when exactly one object is needed to coordinate actions across the system. The concept is sometimes generalized to systems that operate more efficiently when only one object exists, or that restrict the instantiation to a certain number of objects (say, five). Some consider it an anti-pattern, judging that it is overused, introduces unnecessary limitations in situations where a sole instance of a class is not actually required, and introduces global state into an application.

Doctrine is an object relational mapper (ORM) for PHP 5.2.3+ that sits on top of a powerful database abstraction layer (DBAL). One of its key features is the option to write database queries in a proprietary object oriented SQL dialect called Doctrine Query Language (DQL), inspired by Hibernates HQL. This provides developers with a powerful alternative to SQL that maintains flexibility without requiring unnecessary code duplication.

Some after dinner humour, with a serious point

Java Beans is an object-oriented development user interface from Sun Microsystems that lets you develop re-useable programs or program foundations called elements that can be implemented in a program on any significant os program.

Traits are a simple composition mechanism for structuring object-oriented programs. A Trait is essentially a parameterized set of methods; it serves as a behavioral building block for classes and is the primitive unit of code reuse. With Traits, classes are still organized in a single inheritance hierarchy, but they can make use of Traits to specify the incremental difference in behavior with respect to their superclasses. Unlike mixins and multiple inheritance, Traits do not employ inheritance as the composition operator. Instead, Trait composition is based on a set of composition operators that are complementary to single inheritance and result in better composition properties.

The Internet Communications Engine (Ice) is a modern object-oriented data-contract middleware with support for C++, C#, Java, Python, Ruby, PHP, and Visual Basic ... it's kind of like WCF, except with a lot broader support.

"The Watchmaker Framework is an extensible, high-performance, object-oriented framework for implementing platform-independent evolutionary/genetic algorithms in Java. "

Cassandra is a distributed object-oriented database (no ORM needed) originally created by Facebook and used by lots of high-traffic websites. They use Thrift and have code samples here in Java, C#, Python, and PHP ... hot stuff.

"ooc is a modern, object-oriented, functional-ish, high-level, low-level, sexy programming language. it's translated to pure C with a source-to-source compiler. it strives to be powerful, modular, extensible, portable, yet simple and fast. "

C Sharp or C# is one of the widely used object oriented programming languages in the world. The C# Development platform was introduced by Microsoft within its .Net Initiative. This language, later, was approved as a standard by ECMA and ISO. It is one of the well-known programming languages designed for the Common Language Infrastructure.

"Homepage"

Graph databases are still quite unfamiliar to many developers. This is the first post in a series discussing the operations a graph database makes available to the developer. Just like there are only so many different things you can do on a relational database (like CREATE TABLE or INSERT), there are only so many things you can do on a graph database. It is worth looking at them one at a time, and that's the goal of this series.

A basic eBook on object-oriented programming in VB.NET and C#. Covers construction and destruction, events, delegates, interfaces and inheritance, and exceptions.

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Scala is one of the most attractive programming languages out right now. There is a lot of hype around it and programmers world-wide are publicly recognizing it as the possible next big thing in programming. Here's why. Scala is all about functional programming in an object oriented context. It tries to take the best of both worlds and combine them into a highly efficient, intelligent, and relatively easy to understand language. Right now it is the leader in today's renaissance of functional programming languages.

Posted by admin in Cakephp on 27, Jan 2014 Open source frameworks have been a blessing for the web development world. There are various open source PhP based frameworks available. But a question arises - which one to go for? One should not select a framework simply because it is the best.

.NET implementation of iCalendar, including classes for all the data types, and saving/reading ics files.