Tag：Subclass
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Time：2020-11-28
This paper is based onHttpClient 4.5.13 When using HTTP to request external services, it is often necessary to try again because of the instability of the network or the service itself. Of course, retrying can be implemented by hand code, but a better way is to implement it through the existing mechanism.HttpClientTwo types of retries […]
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Time：2020-11-27
Now when you look at the source code of some open source projects, you will find that delegate functions, such as func, action, predict, are everywhere now. Indeed, C ᦇ is in functional programmingOn the way to become more and more mainstream, more and more power, once some of the classic design pattern writing, in […]
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Time：2020-11-25
Interview form: telephone interview As a developer, it is very important to have a learning atmosphere and a communication circle. This is my ownIOS communication groupNo matter you are Xiaobai or Daniel, welcome to join us. Share bat, Ali’s interview questions, interview experience, discuss technology, let’s communicate, learn and grow together! 1. How do you […]
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Time：2020-11-21
preface After five or six years, I can’t help but sigh: Once upon a time, I couldn’t extricate myself from being addicted to the framework. No matter what needs to be done, we had to find a framework. After using it for a period of time, we found many problems and had to make do […]
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Time：2020-11-17
objective Template method pattern is a kind of behavior strategy to let the subclass of abstract template “complete” a series of algorithms. The well-known Hollywood principle: “don’t call us, we’ll call you.”. Instead of calling subclasses in this way. How do you do it? Of course, it’s abstract! In other words, it is a very […]
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Time：2020-11-14
1、 Why: why do we use generics? Let’s take a look at this example first: we print the writing of different types of values /// ///Print an int value /// public static void ShowInt(int iValue) { Console.WriteLine(“This is ShowInt,parameter={0},type={1}”, iValue, iValue.GetType().Name); } /// ///Print a value of type string /// public static void ShowString(string sValue) […]
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Time：2020-11-10
1. Look at the source document first /** * Indicates that an annotation type is automatically inherited. If * an Inherited meta-annotation is present on an annotation type * declaration, and the user queries the annotation type on a class * declaration, and the class declaration has no annotation for this type, * then the […]
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Time：2020-11-2
Today is the fourth part of the series, focusing on inheritance related issues. I found that there were still several concepts in the prototype chain part of last week. In order not to affect the learning of inherited knowledge points, I decided to put prototype, constructor and__ proto__ These concepts should be supplemented again as […]
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Time：2020-11-2
This article is mainly the summary after learning other people’s article and the answer, here gives the linkIn depth study of angularjs scope Introduction to JavaScript prototype inheritanceAngularjs is bidirectional data binding, but it does not always produce the corresponding effect every time it is modified. Sometimes, this may happen when the value of the […]
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Time：2020-11-1
Don’t let your life down. Don’t let yourself down. Wedge I talked about the spring security authentication process and spring security authentication process in the previous two issues. Today is the third issueSpringSecurityThe closing work ofSpringSecurityStart up process. Just like many films after the fire, their sequels are often the early stories of the previous […]
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Time：2020-10-28
Overview of spring boot Spring boot is a scaffold: Other external frameworks can be integrated quickly and easily Automatic configuration function is provided It can be used out of the box Automatic configuration principle of springboot: The annotation of startup class (@ springbootapplication) has the annotation of “enable autoconfiguration”, which implements the function of automatic […]
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Time：2020-10-26
Blog address: https://sourl.cn/CXgw9P In daily development, little black brother often needs to use java to provide collection classes to complete various requirements. Although Java collection class is very powerful and practical, its function is still a little weak. For example, little black brother recently received a request to input a document to count the number […]
