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Getting started with spring -- three ways to create bean s

[*] static engineering method to create bean s [*] instan...
15:26 4 May 2020

Oracle automatic data backup

1, Oracle automatically backs up single table data for one month Mode 1: three step processing (batch file creation, sql...
14:04 4 May 2020

Which is more efficient about the select statement with the maximum id + 1 in the table?

Requirement: take the maximum id value + 1 in the stock table as the next id value. ...
13:08 4 May 2020

An example of Python decorator

Summary The decorator is essentially a Pytho...
12:50 4 May 2020

java classes and objects

java classes ...
10:53 4 May 2020

Java learning notes 50 (DBCP connection pool)

In actual development, connecting database is a very resource consuming operation. However, we need to connect database ...
10:37 4 May 2020

How to record external chain js file in react component

1. Description All of the following are from A complete collection of my github articles Content. Welcome to github, sta...
10:35 4 May 2020

React navigation 5.0 Series III: the use of Drawer navigation

First of all, I wish you all a happy youth day and May Day holiday. In the previous series of articles, we learned about...
10:10 4 May 2020

Source code interpretation of ArrayList

Properties of class public class ArrayList<E> extends AbstractList<E> implements List<E>, RandomAccess...
10:03 4 May 2020

Mysql series -- Chapter 6 triggers and stored procedures

Chapter 6 trigger and stored procedure of Mysql 1, Trigge...
9:09 4 May 2020

Linux sets the permanent and effective way of "the maximum number of files that can be opened by the process"

0. Before setting [root@localhost ~]# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited sched...
8:45 4 May 2020

The difference between dynamic agent jdk and cglib

The description of dynamic agents has been partially described in the previous two articles Detailed interpretation of d...
7:48 4 May 2020

Talk about binlogconnector replicator's work

order This paper focuses on the work of binlo...
3:27 4 May 2020

PDO operation on Mysql database

1. Briefly introduce what is PDO PDO extension defines a ...
1:10 4 May 2020

Day 25 of egg learning notes: mongoose predefined pattern modifiers Getters and Setters custom modifiers

1, mongoose predefined pattern modifier. lowercase,upperc...
22:13 3 May 2020

Android ten minutes fast automatic integration of Aurora push

Android ten minutes fast automatic integration of Aurora push Aurora push is divided into manual integration and automa...
20:35 3 May 2020

Configuring Apache(httpd) with php

The main Apache configuration file is: / usr/local/apache2/conf/httpd.conf ...
20:33 3 May 2020

Android's multi-channel packaging

This article is reprinted from: http://blog.csdn.net/qq_/article/details/78922154 ...
14:07 3 May 2020

android recycleView can also be used to display four videos

Recently, the company made a project, which requires that four-way video can be displayed. It would be very troublesome ...
3:56 2 May 2020

The use case of GraphQL in koa2 server

1, Create project 1. Install some packages ...
16:02 1 May 2020

Basic data types of python

1. Numerical type: int (1), float (1.0, 2e8, 2e-8), tra string ("hello"),long(1111L),bool boolean type (True, ...
13:11 30 April 2020

OkHttp Custom Retry Number

In this paper, OkHttp's Interceptor is used to implement a custom number of retries ...
13:05 28 April 2020

One of the shell scripts: Introduction to shell scripts

1. Introduction to shell scripts (1) Script cases and introduction: #!/bin/bash LOG_DIR=/var/log ROOT_UID=0 if ["$UID -n...
14:02 27 April 2020

Keyclock custom page development

1. Development mode Subject type Account - Account management Admin - Admin console Email - Emails Login - Login forms ...
7:08 26 April 2020

How to realize seamless bitstream cutting in Android

Mode 1: 1. Generally, it is a switching mode. For example...
8:56 24 April 2020

Native node writes a static resource server

myanywhere Make a simple castration version ...
15:01 21 April 2020

Linux Kernel Firewall Selinux

Status view and modification of selinux getenforce ###View Status setenforce 0|1 ###0:permissive warning mode 1:enforci...
13:06 21 April 2020

Analysis of Remax principle

Preface The weak native development experienc...
1:29 20 April 2020

pandas data type conversion

Data types in data processing When processing data with pandas, we often encounter the problem of data type. When we ge...
2:10 19 April 2020

Installation of JDK, Hadoop, Hbase and GUI on Linux Server (Ubuntu 18.04)

Article Directory 0. Preparations 1. Get Ali Cloud ECS Server 2. Create Hadoop users(viii) 3. Configure SSH passwordles...
2:57 17 April 2020