java basic interview questions (2)
Posted on Sun, 05 Dec 2021 18:48:26 -0500 by bombayduck
The initialization process of MyBatis is to generate some necessary objects and put them into the Spring container. The question is what objects are generated by this process? When MyBatis initialization fails, how to correctly find the entry point to analyze the problem? This paper will introduce these problems.
Based on MyBatis 3 and Spr ...
Posted on Sun, 05 Dec 2021 07:13:01 -0500 by sxiix
[APP mobile terminal] Spring Security OAuth2 SMS verification code mode [wechat applet] Spring Security OAuth2 wechat authorization mode [management system] Spring Security OAuth2 password mode [management system] Spring Security OAuth2 verification code mode
The four authorization modes implemented by Spring Secur ...
Posted on Fri, 03 Dec 2021 11:18:27 -0500 by MasterACE14
Absrtact: This article takes you to understand JDK dynamic agent and CGLIB dynamic agent
This article is shared from Huawei cloud community< This article takes you to understand JDK dynamic agent and CGLIB dynamic agent >, author: skin shrimp.
What's the difference between the two
1, Jdk dynamic proxy: use the interceptor (to imple ...
Posted on Thu, 02 Dec 2021 20:40:48 -0500 by jamesm87
Now many companies are using HikariCP. HikariCP has also become the default connection pool of SpringBoot. With SpringBoot and microservices, HikariCP will be widely popularized.
Next, Chen will take you to analyze why HikariCP can be invited by Spring Boot from the perspective of source code. The article directory is as follows:
Posted on Mon, 29 Nov 2021 05:24:00 -0500 by ShanesProjects
1, Aggregate query
The functions and usage used in aggregate query are very similar to that of Excel. If you play NB in Excel, you can basically combine query, which is very easy. 😁😁🤗🤗
Aggregate query is related to rows. Merging query results according to row dimensions means merging multiple rows.
1.1 aggregate function ...
Posted on Sun, 28 Nov 2021 09:42:39 -0500 by KCKTechs
prefaceHello, I'm Lin Sanxin. In the most easy to understand words, the most difficult knowledge point is my motto. The foundation is advanced, and the premise is my original heart. Today I'll tell you a question. It's a Netease interview questionA classmate: "how to implement JS overload?"Me: "is JS overloaded? Isn't it TS?" ...
Posted on Wed, 24 Nov 2021 21:32:06 -0500 by michaelowen
Hello, I'm brother Xiong. Today, I bring you a high-frequency interview question related to binary tree. This question has been used as an interview question by big companies such as Google, byte, Microsoft and Amazon in half a year, that is, the 98th question on force buckle - Verifying binary search tree.
This paper mainly introduce ...
Posted on Wed, 24 Nov 2021 14:29:24 -0500 by CFennell