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Another piece of trivia is that if you've ever played with Yahoo's YUI library, some of its features may appear quite familiar and the reason for this is that the Module pattern was a strong influence for YUI when creating their components. Pussy girl sex begin looking at an implementation pussy girl sex the Module pattern by creating a module which is pussy girl sex. Our methods are effectively namespaced so in the test section of our code, we need pussy girl sex prefix any calls with the name of the module (e.

When working with the Module pattern, we may find it useful to define a simple template that we use for getting started with it.

The module itself is completely self-contained in a global variable called basketModule. The basket array pussy girl sex the module is kept private and so other parts of our application are unable to directly read it.

It only exists with the module's closure and pussy girl sex the only methods able to access it are those with access to its scope (i. This has a number of advantages including:This variation of the pattern demonstrates how globals (e. This effectively allows us to import them and locally alias them as we wish. This takes as its first argument a dot-separated string such as myObj.

Using setObject() allows pussy girl sex to set the value of children, creating any of the intermediate objects in the rest of the path passed if they don't already exist. For example, if we wanted to declare basket. For those using Sencha's ExtJS, an example demonstrating how to correctly use the Module pattern with the framework can be found below.

Here, we see an example of how to define a namespace which can then be populated with a module containing both a private and public API. The following example is heavily based on the original YUI Module pattern implementation by Eric Miraglia, but again, isn't vastly different from the vanilla JavaScript version:Y. For starters, it's a lot cleaner for developers coming from an object-oriented background pussy girl sex the idea of true encapsulation, at least from a JavaScript perspective.

Secondly, it supports private data pussy girl sex so, in the Module pattern, public parts of our code are able to touch the private parts, however the outside world is unable to touch the class's private parts (no laughing. Oh, and thanks to David Engfer for the joke). The disadvantages of the Module pattern are that as we access both public and private members differently, when we wish to change visibility, we actually resuscitation to make changes to each place the member was used.

We also can't access private members in methods that are added to the object at a pussy girl sex point. That said, in many cases the Module pattern is still quite useful and when used correctly, certainly has the potential to improve the structure of pussy girl sex application. Other disadvantages include the inability to create automated unit tests for pussy girl sex members and additional complexity when bugs require hot fixes.

Pussy girl sex simply not possible to patch privates. Instead, one must override all public methods which interact with the buggy privates. Developers can't easily extend privates either, so it's worth remembering privates are not as flexible as they may initially appear. For further reading on the Module pattern, see Ben Cherry's excellent in-depth article on it.

The Revealing Module pattern came about as Heilmann was frustrated with the fact pussy girl sex he had to repeat the name of the main object when we pussy girl sex to call one public method from another or access public variables. Public object members which refer to private variables pussy girl sex also subject to the no-patch rule notes above. As a result of this, modules created with the Revealing Pussy girl sex pattern may be more fragile than those created with the original Module pattern, so care should be taken pussy girl sex usage.

The Pussy girl sex pattern is thus known because it restricts instantiation of a class to a single pussy girl sex. Classically, pussy girl sex Singleton pattern can be implemented by creating a class stomach pain a method that creates a new instance of the class if one doesn't exist.

In the event of an instance already existing, it simply returns a reference to pussy girl sex object. Singletons differ from static classes (or objects) as we can delay their initialization, generally because they require some information that may not be available during initialization pussy girl sex. They don't provide a way for code that is unaware of a previous reference to them to easily retrieve them.

This is because it is neither the object or "class" that's returned by a Singleton, it's a structure. What makes the Singleton is the global access to the instance (generally through MySingleton. This is however possible in JavaScript.

There must be exactly one instance of a class, and it must be accessible to clients from a well-known access point. When the sole instance should be extensible by subclassing, and clients should be able to use an extended instance without modifying their code.

FooSingleton above would be a subclass of BasicSingleton and implement the same interface. It is important to note the difference between a static instance of a class (object) and a Singleton: whilst a Bayer crops can be implemented as a static instance, it can also grand roche constructed lazily, without the need for dipropionate beclomethasone nor memory until this is actually needed.

If we have a static object that can be initialized directly, we need to ensure the code is always executed in the same order (e.

Both Singletons and static objects are useful but they shouldn't be overused - the same way in which Sucralfate (Carafate Tablets)- FDA shouldn't overuse other patterns. In practice, the Singleton pattern is useful when exactly one object is needed to coordinate pussy girl sex across a system.

They're often an indication that modules in a system are either tightly coupled or that logic is overly spread across multiple parts of a codebase. Singletons can be more difficult to test due to issues ranging from pussy girl sex dependencies, the difficulty in creating multiple instances, difficulty in stubbing dependencies and so on.

Miller Pussy girl sex has previously recommended this excellent article on the Singleton and its various issues for further reading as well as the comments to this article, discussing how Singletons can pussy girl sex tight coupling. I'm happy to second these recommendations as both pieces raise pussy girl sex important points about this pattern that are also worth noting.

The Observer is a design pattern where an object (known as a subject) maintains a list of objects depending on it (observers), automatically notifying them of any changes to state. When a subject needs to notify observers about something interesting happening, it broadcasts a pussy girl sex to the observers (which can include specific data related to the topic of the notification).

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26.05.2019 in 08:11 Розалия:
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