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Article

C#Collections Shopping Cart

This is an exercise of objects and collections, the creation of objects, some basic functions of collections, such as ad...
12:24 27 May 2020
Article

Centos7 MySQL installation master-slave replication configuration

Installation Dependency yum search libaio # Retrieving related information yum install libaio # Install Dependent Packag...
12:13 27 May 2020
Article

javascript iteration method

every() method Runs the given function for ea...
11:50 27 May 2020
Article

C. how to add, modify and delete Excel Mini chart

The mini chart in Excel table can show us the trend of data change intuitively. This paper introduces how C ා can genera...
11:31 27 May 2020
Article

PHP regular expression details how to extract characters between two strings (supports single & multiple)

preface: Sometimes it is necessary to extract...
10:49 27 May 2020
Article

On the difference between SCPClient class of ganymed-ssh2 version 262 and build210

ganymed-ssh2 is a tool library that uses SSH to connect to the server through java. The previous two versions of pom fil...
10:40 27 May 2020
Article

Deep understanding of system calls

Experiment content: Find a system call whose system call...
9:44 27 May 2020
Article

[12c] DataGuard builds physical standby database (Cloud Control mode)

How to Building physical standby database by RMAN Duplicate , this article will demonstrate how to use Cloud Control to ...
7:50 27 May 2020
Article

A reusable distributed transaction message architecture based on RabbitMQ

premise Distributed transaction is a more dif...
6:21 27 May 2020
Article

Many to many relationship of database in Flask

Most other relationship types can be derived from one to many types. From the point of view of "many", many to...
2:00 27 May 2020
Article

Implementation of hover event in Kivy control

1. Import dependency module from kivy.app import App from kivy.core.window import Window from kivy.clock import Clock f...
1:18 27 May 2020
Article

MySQL Summary Database Table Constraints - Detailed

Constraints on database tables 1....
20:25 26 May 2020
Article

Flutter uses Navigator to make local page jumps

Lao Meng's guide: The Navigator component is not used very often, but it works well in some scenarios, such as local for...
20:06 26 May 2020
Article

One Day Pattern - Observer Mode

1. The concept of observer mode The observer...
13:10 26 May 2020
Article

[LeetCode] 4 sort the linked list

Title: In the O(n log n) time, we use constan...
13:05 26 May 2020
Article

Java fresh e-commerce platform - purchase order and inventory solution in fresh e-commerce (Applet / APP)

Java fresh e-commerce platform - purchase order and inventory solution in fresh e-commerce (Applet / APP) ...
12:00 26 May 2020
Article

Network data reading framework - use of OkHttp

Introduction and usage of OkHttp framework effect OkHtt...
11:29 26 May 2020
Article

HeartBeat (NFS file mount for Web service hot standby)

The two hosts are backup to each other, and the Web service displays the resources on the NFS file system. ...
11:20 26 May 2020
Article

[LeetCode] 20 word Jielong II

subject Given two words (beginWord and endWor...
5:04 26 May 2020
Article

How to improve the quality of iOS code through static analysis

With the expansion of the project, it is more and more unrealistic to rely on human codereview to ensure the quality of ...
4:01 26 May 2020
Article

[open source]. Net orm FreeSql 1.5.0 latest version (serial number: long time no see)

The beginning of nonsense This article is the...
1:03 26 May 2020
Article

Spring boot08: integrating Druid

Crazy God said that the spring boot series is easy to understand. Based on the version 2.2.5 of spring boot, you are wel...
0:58 26 May 2020
Article

Python:sip Compilation and Use

1. Compile sip source code Unzip the sip source and run PythonConfigure.py-p win32-g++ (win32-g++ means using the mingw...
12:21 25 May 2020
Article

MHA cluster of MySQL highly available articles

1 preparations 1.1 modify host na...
11:21 25 May 2020
Article

Deployment learning of Nginx + Docker multi-stage construction

A website was deployed a few days ago. It turns out that I have been uploading files through ftp after publishing. Sever...
11:01 25 May 2020
Article

Spam classification 2

1. Read # 1. Read data set def read_dataset(): file_path...
10:13 25 May 2020
Article

Custom Spring Boot starter

When we use spring boot to develop applications quickly, we often introduce many libraries that start with spring boot s...
8:53 25 May 2020
Article

PHP PDO mysql abstraction layer

Using PDO constructor to connect database and DSN <?php $dbms = 'mysql'; $dbname = 'test'; $user = 'root'; $pwd = '1...
4:04 25 May 2020
Article

A small example of how to use ThreadLocal in seconds

Problems encountered Recently, a small partne...
3:58 25 May 2020
Article

The running in period of Flink and Hive

There is a lot of feedback from readers. Please refer to the previous article< Hive is finally waiting, Flink >Whe...
3:57 25 May 2020