repository pattern pros and cons

, he may become a car industry experts. But in fact this is rare, and many architects may face another new project, such as you used to make a car, and now you do finance, what do you do. So our general practice is that if a large company, a large team, we will have specialized field experts, by the domain experts to take charge of the business this piece, or by the customer to take charge of the business this piece. But our architects also have to have a certain understanding of the business, a

this.sayName != "function"){ Person.prototype.sayName = function(){ alert(this.name); } }}Parasitic constructor modeIt is recommended that you do not use this mode in situations where other modes are available.Secure constructor ModeSafe object: As the name implies, is very safe, refers to the absence of public properties, and its methods do not reference this object. Secure objects are best suited in some secure environments where this and new are forbidden.function

pipeline and FIFO are FIFO. POSIX messages and System V messages have priority assigned by the sender. When you read from a POSIX message queue, the message that is always the highest priority is returned first. When you read from a System V message queue, The reader can request any priority messages that it wants.4. In the numerous messaging technologies-pipelines, Fifo,posix Message Queuing and System V Message Queuing-functions that can be called from a signal handler are only read and write

the requirements.Does not have the built-in column number Ajax,route and other functions to the core package, but the plug-in way to load.The Mixins feature is supported in component development.Different points:React relies on the virtual DOM, and Vue.js uses a DOM template. The virtual DOM used by react will perform a dirty check on the rendered results.Vue.js provides instructions, filters, and so on in the template, which makes it easy and quick to manipulate the DOM.How do I use vue.js?1.

construct a certain degree of layout, easy to reuse the template, the data operation layer is good encapsulation, and codeigniter not use many too complex design patterns, Good execution performance and code readability. As for the additional library is also good, concise and efficient.Lavarel FrameAdvantagesLaravel's design idea is very advanced, very suitable for the application of various development models TDD, DDD and BDD, as a framework, it is ready for everything, composer is a PHP futur

the blacklist.Explain the above URL, "posts": it is generally referred to as the controller, which determines which processing file to load; "index": it is generally called an action, which determines what to do. So/posts/index/as the name implies is posts homepage. If you need to pass parameters later, you can add them directly behind the action.As in the following url:http://www.nostop.org/index.php/posts/category/1/. Lists all content under the category ID of posts 1.Some of the frameworks i

In this article we will look at what is python threads and processes。 Learn about Python threads and processes, and learn about python threads and processes the Differenceand merits. We have introduced multi-process and multi-threading, which are the two most common ways to achieve multitasking. Now, let's discuss the pros and cons of both approaches. First, to achieve multitasking, we typically design the