playstation talk

Let's talk about how javascript events cancel and block bubbling, and talk about javascript Cancel default operation The w3c method is e. preventDefault (), and IE uses e. returnValue = false; In browsers that support addEventListener (), you can also call the preventDefault () method of the time object to cancel the default operation of the time. However, in IE before IE9, you can set the returnValue attri

Big talk design model: simple factory model; big talk design model factory Chapter 1: code error-free Optimization-simple factory Mode Create a computing class Operation first Operation. h file @interface Operation : NSObject@property(nonatomic,assign)double numberA;@property(nonatomic,assign)double numberB;@end Operation. m file @implementation Operation @end Create their subclass Add, Sub, Mul, and Div

Let's talk about entrusting those things, and talk about entrusting things. Dig for delegated tasks, anonymous methods, commissioned inverter and covariant, delegate and closure, C # self-executed FunctionsWhat is the basic commission? Many people think that "function pointer" is a delegated instance. The delegate definition is similar to interface, which is a "standard" or "template" of a method to regulat

I often talk about process thread coroutine, and I often talk about thread coroutine. I. Processes and threads 1. Process The applications on our computers are all processes. Assume that the computers we use are single-core, and the cpu can only execute one process at the same time. When the program is out of I/O congestion, if the CPU waits with the program, it will be too wasteful. The cpu will execute ot

Today, someone asked me a question that has always been a problem: why do wood look so handsome?(Jor: Not a blind man asked a question casually, as for? )This, people don't ask me this question, I really do not know how to answer, I tried a lot of ugly methods, but all failed. 1. Still talking about the subject? We have a popular component here. Someone must have told you that in an object-oriented world, everything is an object. Now, you're going to go into Unity's

In this issue, brother wants to talk to you about HTTP parameter pollution and its defense methods. First of all, Brother Yong needs to point out that the HTTP parameter pollution is not a vulnerability, but the server side according to the different configuration of the different features. If the site has SQL injection or a vulnerability such as XSS, and there are appropriate safeguards, HTTP parameter contamination may help attackers bypass these de

Big talk programming: quick development brings my intern girl to programming. Big talkI was also a junior development intern in. When I first entered the farmland, I wanted to be a high-yield and high-quality coders and Yuan Longping from the codoon community! However, the reality is always cruel. I am a beginner, I fell behind a lot when I first entered the farmland. BUG troubles me every day, but it is also a kind of training. Otherwise, it would be

factory mode, the client only depends on the Context class, and the decoupling is more thorough. * To add an algorithm, you only need to add an algorithm class. */ Contextcontext =NewContext (NewConcreteStrategyA ()); Context. contextInterface (); // You can see it. If you want B algorithm, you can call its method by simply taking an example. Contextcontext2 =NewContext (NewConcreteStrategyB ()); Context2.contextInterface (); } } Summary: The Rule mode is a method that defines a series of algo

To the users of micro-credit software to detailed analysis to share the micro-letter to say the method. Method Sharing: With pictures: Step 1: First open and micro-mail. Step 2: Select the friends below the navigation bar. Step 3: Click on the camera icon in the upper-right corner. Step 4: Select the source of the picture. Plain Text: Published pictures to say very simple, then how to publish without pictures of pure text to say, actually very si

What do you think about rapid development? Let's talk about it together, and let's talk about it together. As we all know, the Internet and software industries are already far from each other. Now we are all engaged in information construction everywhere. Everyone knows about Internet thinking. This information age is a huge opportunity for software developers and software development companies. In the laym

Big talk Design Mode C ++-builder mode and big talk Design ModeIn the course of daily cooking, we often forget to put salt or put salt twice. In the end, a good dish makes it impossible for everyone to get started. In this case, the builder mode is used to regulate the process of cooking, to ensure that each dish will go through the four basic processes: fuel, food, salt, and monosodium glutamate, at the sa

Talk about this in Javascript again, talk about javascriptthis I have always had a similar feeling about this in Javascript. Today I suddenly feel very open, so I would like to record it. Let's first look at a chestnut: It seems that this code is correct, but the incorrect result is eventually caused by an incorrect understanding of this. We bound the click event on the element car_key, and thought that th

Let's talk about yii2-GridView how to implement list page direct modification of data, talk about yii2-gridview Author: White Wolf Source: http://www.manks.top/yii2_gridview_advanced.html this article copyright to the author, welcome to reprint, but without the author's consent must retain this paragraph of the statement, and in the Article Page clearly given the original connection, otherwise, you are enti

, but its redundancy is 0, when the hard disk damage, The data is also damaged. In the production environment of the server, the most used is RAID5 or RAID6, which provides read and write performance, but also provides redundancy. RAID1 are often used in situations where the accuracy of the data is required and strictly.Let's summarize the pros and cons of each of these 4 commonly used RAID levels: RAID level Speed Redundancy of Disk Utilization RAID

Let's talk about how PHP receives POST data and how php receives post data. Talking about how PHP receives POST data. talking about how php receives post. Generally, users submit data to the server using browser web forms, we use PHP to receive users' POST data to the server. let's talk about how PHP receives POST data and how php receives post data. Generally, users use browser web forms to submit data to

I often talk about duck and Polymorphism in python, and I often talk about python polymorphism. 1. What is polymorphism? 2. polymorphism in python Iii. Dynamic Language and duck type class P: def __init__(self, x, y): self.x = x self.y = y def __add__(self, oth): return P(self.x+oth.x, self.y+oth.y) def info(self): print(self.x, self.y)class D(P): def __init__(self, x, y, z): super

It's enough to talk about js promise. It's enough to talk about jspromise. I. background We all know that nodejs is very fast. Why is it so fast? The reason is that node uses asynchronous callback to process the events that need to be waited, so that the Code will continue to be executed without waiting somewhere. But there is also a bad thing. When we have a lot of callbacks, for example, after the callbac

Xiao Chen wants to talk about how I learned Android, and Xiao Chen wants to talk about android.I have been doing Android on and off for nearly two years. I also took some offer after my senior year and finally found a job that I was quite satisfied with. I also talked about how I learned Android, this allows you to avoid detours. Hardware Recommended mac I personally feel very good when using mac for develo

Sometimes, maybe you will not want to use domodal to create a dialog! You are gonna use another method to handle the same question. That's is good! Here, I give you another method to create a dialog for all of the xxxcontrol and something like that .... Primarily, I wanna talk about initcommoncontrolsex. The MFC describe it like this: Initcommoncontrolsex ---->Registers specific common control classes from the common control dynamic-link library (DLL

Creation Mode -- (re-talk) Singleton mode -- Re-talkIn the Creation Mode-singleton mode article, we mention Singleton mode, that is, a class has only one instance and provides a global access point to it. The problem arises. Let's take the code in the previous article as an example: Now we assume there are two threads: thread A and thread B. Now thread A has accessed singleton=new Singleton();We know that when a new object is created, we need to appl