Xiaodi classroom - learning notes: do you know structural design mode, decorator + agent mode? Stay and talk

Vision: "make programming no longer difficult to learn and make technology and life more interesting" For more architecture courses, please visit xdclass net   catalogue Episode 1 design mode of adding wings to the tiger - Introduction to decorator design mode Episode 2 meet Lao Wang's refitting collocation - play with the desig ...

Posted by Russia on Sun, 01 May 2022 23:20:46 +0300

2022 mandatory front-end handwritten interview questions

Video Explanation of interview questions (efficient learning): Enter learning2, Title1. Anti shake throttlingThis is also a classic topic. First of all, we should know what is anti shake and what is throttling.Anti shake: the event will only be triggered once for the last time in a period of time.Throttling: an event that is triggered at an int ...

Posted by miseleigh on Sun, 01 May 2022 17:34:15 +0300

Article 66 interview knowledge points

Author: Jake Zhang https://juejin.im/post/6844904200917221389   preface I just want to meet a CV engineer. The interviewer asked me to challenge a rocket engineer. In addition, this year's situation is even more a dilemma, but no matter how difficult life is, I still have to continue to find a job. In the recent interview, I have been su ...

Posted by paradigmapc on Sun, 01 May 2022 12:34:35 +0300

2022 mandatory front-end handwritten interview questions

Video Explanation of face-to-face test questions (efficient learning): Enter learning2, Title1. Anti shake throttlingThis is also a classic topic. First of all, we should know what is anti shake and what is throttling.Anti shake: the event will only be triggered once for the last time in a period of time.Throttling: an event that is triggered a ...

Posted by MorganM on Sun, 01 May 2022 12:30:44 +0300

Interviewer: young man, tell me about the java object creation and Spring Bean life cycle

Understand the relationship between objects and beans java is an object-oriented language. In short, everything is an object. Bean is naturally an object, but it is an object managed by bean factory. How are java objects created When writing code, we usually use the following statement to create an object: A a=new A(); So what happens in the ...

Posted by Lexas on Wed, 27 Apr 2022 11:19:22 +0300

Three features of Java interview -- starting with a spicy hot from Xiaomei's classmate

Have you ever wondered why an interviewer should ask about the three features of Java? Because the interviewer knows what is the good taste "spicy hot". catalogue 1. The story of Xiaomei and Malatang 2. Scene technology implementation 2.1 final effect drawing 2.2 source code 3. Looking back at technology 3.1 packaging 3 ...

Posted by CerealBH on Wed, 27 Apr 2022 04:36:05 +0300

JDK1. After 5, generics were added, so why should there be generics? How can we customize the generic structure?

Hello, everyone. I'm cabbage. You can call me vegetable. One for sophomore. This article mainly explains the understanding of java generics, the simple use of generics in collections, and the custom generic structure (including classes, interfaces, and methods). If you gain something after reading this article, you can support bloggers for thre ...

Posted by christo16 on Wed, 27 Apr 2022 00:45:46 +0300

Misuse of Redis cache String

Misuse of Redis cache String In our daily development, if Redis is used as the cache, the most used may be the String type. The String type is simple and easy to understand, but this is only the development aspect. If the amount of business data is too large, whether the feasibility of using String type storage is still the highest, we can rel ...

Posted by TheAngst on Fri, 22 Apr 2022 10:12:33 +0300

Detailed explanation of Java process and thread of concurrent programming (basic part)

preface This article mainly explains the basic interview knowledge points related to processes and threads in Java programs, arranges the important knowledge, and explains it through intuitive demos and diagrams. On the deeper principles of Java processes and threads, I will Next Explain in. Process and thread Process: processes monopolize m ...

Posted by whistler on Thu, 21 Apr 2022 07:59:58 +0300

IO multiplexing (select, poll, epoll)

I've always been confused about IO multiplexing. Write an article to record what I see to prevent forgetting. IO multiplexing IO multiplexing is to use the kernel mechanism to poll a group of file descriptors to monitor whether there is an IO event in the write fd. If there is an IO event, the program will be informed. IO multiplexing mainly in ...

Posted by jokkis on Tue, 19 Apr 2022 14:34:09 +0300