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By Mihai Sucan Table of contents Introduction
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A subtle mistake I have made previously is to declare certain "utility" objects as constants in my web app without understanding that they are not thread safe. For example, in my current application I need a SimpleDateFormat object to do some work translating String to Date and vice versa. My first thought is to write the following.
The aim of the Observer-Pattern is to define a one-to-many dependency between objects so that when the object on the "one-side" changes state, all its dependents are notified and updated automatically. The Observer/Observable-Pattern is known under many different Names, each flavor is used for a special purpose and has a slightly different form. Most common other names for this pattern are Producer/Consumer Publish/Subscribe Dependents The main idea of the Observer-Pattern is that an object (the observer) that always requires actual data of another object (the observable or subject).
Ajax Comet real time web application
Static Version In almost all modern programming languages we use the concept of Object Oriented Programming (OOP) to help manage the complexity of today's software. The biggest challenge in modern software is in fact managing the complexity of it. Most languages do this with a variant OOP called Classical OOP. This is the one you see in Java, C#, C++, PHP, Ruby, and Python. It has the idea that classes should be separate from instances.
Shutting down a remote computer Posted in PowerShell for Windows Admins by Richard Siddaway on 2013-04-01 05:17:04 PowerShell provides the Stop-Computer cmdlet for closing down a remote machine. I find this especially useful in my virtual test environment. I’ll have several machines running but won’t necessarily have logged onto them. Using Stop-Computer means that I can shut them down cleanly without the ha… READ MORE Building a Business relationship in the US Posted in Modern Network Architecture by James Murray on 2013-03-31 18:39:44
Csound is a computer programming language for sound, also known as a sound compiler or an audio programming language , or more precisely, a C-based audio DSL . It is called Csound because it is written in C , as opposed to some of its predecessors. It is free software , available under the LGPL . Csound was originally written at MIT by Barry Vercoe , based on his earlier system called Music 11, which in its turn followed the MUSIC-N model initiated by Max Mathews at the Bell Labs.
Entreprise Integration patterns Framework