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N suggestions for improving Java programs

The day brings several suggestions related to String operation, such as fine products and fine products. ...
15:28 6 December 2021

N suggestions for improving Java programs

Recommendation 22: handle currency with integer type ...
15:11 6 December 2021

Interview question: how to solve the circular dependency problem of Spring

Circular dependency in Spring Wha...
15:06 6 December 2021

Zero Foundation Python7 - Higher Order Grammar (Derivation, Iterator, Generator)

1. Derivation 1. Introduction of Derivation There is a un...
12:52 6 December 2021

How to report errors through Kubernetes events

This article was first published in https://robberphex.com/error-reporting-with-kubernetes-events/A Kubernetes Webhook i...
0:26 6 December 2021

spring -- behavior analysis of proxy object during nested call of Java Proxy and Cglib methods

spring -- failure analysis of Java Proxy and Cglib method nested call proxy This paper mainly analyzes the different rea...
20:53 5 December 2021

js operation elements and case demonstration

Operation element The DOM operation of JavaScript can change the content, structure and style of web pages. We can use D...
19:54 5 December 2021

New scenter (SQL Injection Joint Query) |NaNNaN-Batman|unserialize3 Solution

New scenter (SQL Injection Joint Query) |NaNNaN-Batman|unserialize3 Solution ...
18:06 5 December 2021

Docker common commands

Container lifecycle management commands run C...
17:31 5 December 2021

Shell pipe directive pipe

Pipe command pipe 1. The pipeline command only processes the standard output, and the standard error output will be omit...
16:29 5 December 2021

Enterprise operation and maintenance practice -- Zabbix installation and server+web+agent construction

1. Introduction zabbix is an enterprise class...
15:19 5 December 2021

Z3 solver introduction and finding all feasible solutions under specific constraints

Z3 solver 1. Introduction to Z3 S...
14:57 5 December 2021

[Lab4 Cisco] OSPF neighbor establishment process and LSDB analysis

Experimental requirements 1. According to the topology prompt, enable OSPF routing protocol for each route, divide corre...
14:36 5 December 2021

Function call test in C language in OpenEuler (optional)

Operation requirements On x86_ Contents in practice 2.4 under 64 architecture Check the contents of the register throug...
13:51 5 December 2021

Source code analysis evaluation method of "reasoning problem based on common sense knowledge"

2021SC@SDUSC In previous source code analysis reports, I ...
13:12 5 December 2021

Redis or Zookeeper for distributed locks?

Why use distributed locks? Before discussing ...
8:54 5 December 2021

Detailed explanation of C + + random number (rand and srand) function usage

C + + provides a set of functions to generate and use random numbers. A random number is a value obtained by randomly se...
8:11 5 December 2021

MySQL advanced orderby optimization

Environmental preparation CREATE TABLE `emp` ( `id` int(1...
6:51 5 December 2021

Dynamic SQL of Mybatis

Mybatis 12. Dynamic SQL 12.1 intr...
6:22 5 December 2021

Network security -- HTML Foundation

1. Loopholes General type: the vulnerability ...
4:21 5 December 2021

If you want to know about mybatis, just look at mine

1, What is mybatis     &n...
4:09 5 December 2021

Kubernetes: Pod upgrade and rollback

This chapter mainly discusses how to realize rolling update and rollback, arbitrarily change the version and rollback th...
1:31 5 December 2021

Full record of dark horse travel website

1, Project import Click maven on the side (if not, you can find it in view - > tool window), click the plus sign, an...
0:12 5 December 2021

Java code audit - 3. Dynamic Proxies

reference resources: https://mp.weixin.qq.com/s/HtLjYHLAQ...
23:24 4 December 2021

22 Django advanced - cross domain problems

A homologous strategy The Same origin policy ...
23:10 4 December 2021

rocketmq transaction message

The transaction message of rocketmq is used as a solution to distributed transactions on some occasions. Today, let's an...
21:41 4 December 2021

Flink practical tutorial: Advanced 1-dimensional table Association

Introduction to flow computing Oceanus Stream...
21:27 4 December 2021

Kapok mine clearance based on HarmonyOS ArkUI 3.0 framework

prefaceHarmonyOS ArkUI 3.0 framework trial first experience 2 comes |゙ ( ̄▽  ̄) ノミ| Ю, This time compared with the last ti...
21:02 4 December 2021

Originally, ES7~12 added these attributes respectively

ES6, also known as ES2015, was released in 2015. Since then, some attributes have been added every year, named ES7~12 re...
20:40 4 December 2021

Docker (1-1) docker introduction and installation

Docker introduction and installation # 1. About Docker # Basic concepts ...
20:22 4 December 2021