EasyUI - comprehensive case (combined with crud in the background)

Article directory Common part code Header.js Master page layout Left tree menu layout h5: js: Background data preparation Staff management Data list (loading data by HTML) Format departments and pictures Recycle bin data (loading data through JS) Add buttons and events Ready button Button add eve ...

Posted by mwkemo on Sat, 25 Jan 2020 07:54:30 -0800

Lesson 101 predefined super global array ① - principle analysis

Interface: <!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="Generator" content="EditPlus®"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>Document</title> </he ...

Posted by mart on Sat, 25 Jan 2020 07:17:17 -0800

Review the basic use of mongoose

mongodb reference mongoose official website mongoose is more convenient to use Using mongodb data driver to write an error log For more information on the official data-driven mongodb of node asset assertion is not used here import mongodb from 'mongodb' const MongoClient = mongodb.MongoClient const url = 'mongodb://localhost:27017/edu' expor ...

Posted by dannyluked on Fri, 24 Jan 2020 07:08:14 -0800

Android Notepad applet development

In recent days, I have made a notepad applet with my current Android development knowledge. I would like to share the development process here, hoping to help beginners like me. The development tool is Android studio, the background language is java, and the database used is Android SQLite database. The functions and renderings are as follows: ...

Posted by arimakidd on Thu, 23 Jan 2020 06:21:50 -0800

Web Foundation - Servlet&HTTP&Request

Article Directory Servlet: HTTP: Request: Case: User Login Servlet: 1. Concepts 2. Steps 3. Principle of execution 4. Life cycle 5. Servlet3.0 Annotation Configuration 6. Architecture of Servlet Servlet--Interface | GenericServlet -- Abstract Class | HttpServlet -- Abstract Class ...

Posted by Gordonator on Wed, 22 Jan 2020 19:12:20 -0800

MySQL - UPDATE query based on SELECT query

I need to check (from the same table) whether there is an association between two events based on date and time. One set of data will contain the end date time of some events, and the other set of data will contain the start date time of other events. If the first event completes before the second, then I want to link them. So far, I ...

Posted by coppercoins on Wed, 22 Jan 2020 07:36:43 -0800

Family relationship query

Title: 41. Family relationship query Establish family relation database to realize the query of family members' closing Design requirements: (1) Establish family relationships and store them in files (2) Add family members (3) You can query the information of parents, ancestors, brothers, childr ...

Posted by kigroy on Wed, 22 Jan 2020 06:39:51 -0800

Implementation of mariadb galera cluster based on docker

Environment configuration: Node name IP address node01 192.168.10.207 node02 192.168.10.167 Basic environment configuration: Remove firewalld yum remove firewalld -y Turn off selinux sudo vim /etc/selinux/config Modify the following: SELINUX=disabled Install iptables services and ...

Posted by versatilewt on Wed, 22 Jan 2020 01:00:27 -0800

Database for Go Web Programming

Summary A database is used to store data.As long as it's not a toy project, a database is needed for each project.MySQL is still the most used. PostgreSQL Use is also growing rapidly. In Web development, databases are also required.This article describes how to operate a database in Go Language based on MySQL.This article assumes that you alrea ...

Posted by sri.sjc on Tue, 21 Jan 2020 14:59:48 -0800

Implementation of Ctrip ticket query in Python

I used to refer to other people's code and made a 12306 command-line train ticket query tool in Python. It's very interesting! So I made a similar - Ctrip ticket finder. The effect of Ctrip's official website query is as follows: The effect of Python command line interface query is as follows: Enter the departure, destination and boarding dat ...

Posted by usefulphp on Tue, 21 Jan 2020 09:11:10 -0800