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Spring boot exception handling in five ways, Junit unit test, hot deployment

First of all, the version of Springboot 2.2.6.release is used here. Since the iteration of Springboot is very fast, pay ...
3:00 17 May 2020

Software Design Mode Learning Responsibility Chain Mode

If there are multiple objects in the system that can process the same request, the responsibility chain pattern can be u...
23:53 16 May 2020

Build / dev/kmem to enumerate all Linux kernel modules (including hidden ones)

Can Linux system have lsmod to enumerate all kernel modules? Isn't procfs fragrant? Why bother enumerating from / dev/km...
23:53 16 May 2020

Docker data management and network communication, port mapping

Bibliography: 1. Data management of docker 1. Data Volume...
22:16 16 May 2020

User and Rights Management for MySQL

In MySQL 5.7.24, information about users and user permissions is stored in the user table of mysql library, which can be...
15:40 16 May 2020

Failure handling of Oracle database startup report ORA-00600 [kkdlcob-objn-exists]

*Author's introduction*****Original Creator: Lose SeriouslyContact number: 18081072613WeChat, QQ:18081072613Reprint to i...
15:17 16 May 2020

Spring Batch Batch Practice for Spring Boot

Practice content Read 100,000 records from a ...
12:48 16 May 2020

Data structure notes: stack, queue

(1) Stack 1. Stack is a LIFO, FIFO data structure. 2. A s...
12:27 16 May 2020

p5.js Collection (1): Cherry Blossoms

Effects. png Work Link https://c...
12:18 16 May 2020

MySQL query duplicate data

Suppose there is a user table, user. The data is as follows: ...
11:25 16 May 2020

switch statement usage in C ා

1 not every case needs to contain break. If the case statement is empty, it can not contain break, and the control flow ...
11:08 16 May 2020

A summary of the actual use of socket

Write in front I have made an application of...
10:58 16 May 2020

@RequestParam annotation parsing

There are two main ways to get parameters in the spring MVC background control layer: one is request.getParameter("...
10:51 16 May 2020

Java decoration mode

You look at the scenery on the mountain. People who look at the scenery look at you on the mountain. The moon decorates ...
7:15 16 May 2020

End to end indefinite length text recognition CRNN code implementation

CRNN is a very classical and widely used recognition algorithm in OCR field. Its theoretical basis can refer to me Last ...
2:53 16 May 2020

Qt Open Source Works 11-Screen Recording Control

1. Preface In the normal writing process, it ...
22:11 15 May 2020

Detailed explanation of basic data types of python Foundation

Basic data type 1, Number (number...
11:55 15 May 2020

The first mock exam mode

1, The concept of singleton pattern The so-c...
11:23 15 May 2020

Use of Etcd in Go language log collection project

Log collection item (II) use of Etcd ...
11:06 15 May 2020

search (13) - elastic4s histograms: aggregate histogram

In aggregate group statistics, we will face two types of group elements: continuous type such as time, natural number, d...
10:15 15 May 2020

php object oriented method

php object oriented static method usage What ...
5:16 15 May 2020

Notes on writing ssm project

catalog matters needing attention: Output station scrambling a link submitted as post Form validation before submission...
1:44 15 May 2020

python's network (nmap, IPy, dnspython)

1. Port Scan It's not enough just to know if ...
23:43 14 May 2020

Use of java String.format()

General type formatting The format() method o...
23:07 14 May 2020

CTF-Misc-N solution

CTF-Misc-N solution Blog description ...
10:14 14 May 2020

leetcode-1. Sum of two numbers

The sum of the two numbers. Given an array of...
10:07 14 May 2020

UI Library of aui mobile terminal

aui brief introduction ...
1:18 14 May 2020

If you want to make a million yuan a year, can Alibaba Sentinel support RESTful interfaces?

Recently, I was preparing to use Alibaba Sentinel, and found that the RESTful interface does not support very well. Some...
22:44 13 May 2020

Don't understand the principle of nullable type? I'm going to dig it out

1: Background 1. Story telling It's been a mo...
21:37 13 May 2020

Stored procedure - exception capture & printing exception information

catalog 0. Background 1. Create the exception information table ErrorLog 2. Establish a stored procedure to save except...
21:17 13 May 2020