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"
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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