Tag:Want a go

  • CSS3 write white triangle arrow with border


    By the way, I’ve been looking for this kind of hollow arrow before I finally want to share it with you~ The first method uses the common after pseudo element <!DOCTYPE html> <html> <head> <meta charset=”UTF-8″> <title></title> <style type=”text/css”> .arrow { width: 20px; height: 4px; margin: 0 auto 7px; border-left: 4px solid transparent; border-right: 4px […]

  • Promise a very simple use


    During the development process, I have encountered many asynchronous problems, which are solved in a very stupid way. I have encountered them again today. I decided to use promise for a try. After looking at it for a while, I found that the simple use of promise is very simple, so I feel like sharing […]

  • Install nginx under CentOS 7, and use Yum install nginx to prompt that there is no available software package


      Install nginx under CentOS 7, and use Yum install nginx to prompt that there is no available software package. 18 (flaskApi) [[email protected] flaskDemo]# yum -y install nginx 19 loaded plug-ins: fastmirror, langpacks 20 Loading mirror speeds from cached hostfile 21 * base: mirrors.aliyun.com 22 * extras: mirrors.aliyun.com 23 * updates: mirrors.aliyun.com No package nginx […]

  • Jottings — clear SQL Server R2 connection records


    I used SQL server to connect a lot of people’s databases. Later, I was afraid that I would log in wrong. I wanted to know the default record of connecting there. Later, I found many methods on the Internet, but they didn’t work. Later, I found a way by mistake. You can try the following […]

  • Explore the common notes of springboot


    @RestController     Restcontroller is a combination of @ controller and @ ResponseBody @EnableAutoConfigurationSpringboot recommends only one class with this annotationSpring boot will automatically configure the project according to the jar package dependencyWhen there is a dependency of HSQLDB under the project, springboot will create the data source of the default memory databaseIf you create […]

  • Postman Mock Server


    In order not to affect the development progress of the front-end, generally the back-end determines the data structure first, and then writes a fake interface for the front-end to call, so that the front-end does not have to wait for the completion of the back-end interface development before starting. At that time, the front and […]

  • C: take a picture of the video


    Download ffmpeg first http://ffmpeg.org/ Be sure to download it from the official website. There may be problems in other places After decompression, find ffmpeg.exe in bin directory     The mission is -I video address – SS frame number – f image2 image storage address Try using CMD. First, switch to the directory where ffmpeg.exe […]

  • CXF calls. Net webservice


    1. Problem background Now our two languages are parallel, which will inevitably involve the mutual access of different systems The member information of. Net is provided by WebService. How to access the existing. Net web service without any changes? There is also a technical topic in the company’s knowledge base. But the. Net web service […]