Programmer Group

Causes: Our program needs to pull files from the file server (across the computer room). The machines running the program are telecommunications, interconnection and mobile lines, and three IP lines are assumed to be 01_DX_IP, 01_LT_IP, 01_YD_IP File servers are also telecommunications, unicom, Mobile 3 lines, 3 IP 02_DX_IP, 02_LT_IP, 02_ ...

Previous blogs used Ghost, but they were attacked and blackmailed me for hundreds of dollars. By the way, data backup is important!I learned Vue.js a while ago. Node I saw before can remember a bit. It's mainly for exercise. This blog was written by myself without Hexo or Ghost.Due to the need of SEO, it is not interesting to write what you see ...

facet_wrap facet_wrap uses a wavy character and then uses the data variables to be split. Give an example: facet_wrap(~dob_month, ncol=3) #Set the column number to 3 facet_wrap uses functions similar to those used facet_wrap(formula) facet_wrap(~variable) facet_grid(formula) facet_grid(vertical~horizontal) Drawing Ordinary Graphics ...

Basics Create a database Determine whether the database exists before creating it if exists (select * from sysdatabases where name='databaseName') drop database databaseName go Create DATABASE database-name Delete the database drop database dbname Backup sql server Create a device for backing up data USE master EXEC sp_addumpdevi ...

Basically, every project needs to use modal box components. In recent projects, alert components and confirm are two completely different designs, so they are divided into two components. This paper mainly discusses the implementation of confirm components.Component structure<template>     <div class="modal"&nb ...

Original web address The last article introduced the technical knowledge of Bluetooth, and here we describe the application scenario of central mode in detail.Main device (mobile phone scans connected peripherals, discovers peripheral services and attributes, operates applications of services and attributes.Generally speaking, peripherals ...

There are many kinds of sensors in mobile phones. There are a lot of sensors on the Internet. Here is a popular passage on the Internet, which is also relatively simple. You can access these sensors and get raw data by using the Android sensor framework. Part of the Android Sensor Framework android.hardware package, which contains the followi ...

curl It is a command-line tool that sends out network requests and then retrieves and extracts data that is displayed on stdout. It supports a variety of protocols. Here's an example of how to use it in website development. 1. Viewing Web Source Code You can see the source code of the web page by adding the web address directly after the c ...

Note that the description in this article is only applicable to PC-side Web development based on Ionic. If it is mobile-side development, you can try to use Uglify JS2 only for compression. Whether there will be any improvement, please verify by yourself, at least the file will load faster when it is smaller. C 1. Questions 1.1. The f ...

Interpretation of Third Party App Access to Wechat Login Dead work 1. On Wechat Open Platform https://open.weixin.qq.com/ Register as a developer. 2. To create a mobile application in the "Management Center", you need to "apply the name, profile, and 28*28 and 108*108 PNG pictures each, and the size does not exceed 30 ...