vue Animation: half court animation by hook function

Be careful: 1. A (0, 0) is set at the starting position, which has no effect on the first execution. After an entrance animation is executed, it stops at the final position and is not at the starting position. Through the setting of the position here, the position at the end of the entrance animation can be adjusted here 2. U ...

Posted by msaspence on Tue, 24 Dec 2019 07:08:55 -0800

Upload multiple picture files and pass PostMan test

The framework of the project is a service of springCloud. Image upload is actually to read and write files with java IO stream, passing a path to the background. The background links to the front-end through the browser, and copies the front-end image data to the storage address of the server. 1. Address of the server to save the picture: Add ...

Posted by kiwis on Tue, 24 Dec 2019 07:01:55 -0800

Syntax differences encountered in MySQL conversion and Solutions

Recently, the company's project needs to be transferred from SQL Server to MySQL. In the process of transferring, some differences between the two grammars are encountered. After finding a solution on the Internet, it is recorded here. Since there may be many solutions, I only record what I have used for reference. 1. Splicing string Using the ...

Posted by xplore on Tue, 24 Dec 2019 06:54:56 -0800

CentOS 7 configures Oracle VM and host network, notes on hand - continuous update~

CentOS 7 ---- Recently, I have reinstalled the virtual machine Linux, and I will take some practical notes. The following is a guide for pit arrangement: For initial installation, configure the network card and virtual machine host network first. To view network card details, enter the following command: ifconfig ip addr ip link ...

Posted by Garethp on Tue, 24 Dec 2019 06:42:10 -0800

Porting Python quantitative transaction TA lib library to function calculation

TA-Lib , full name "Technical Analysis Library", namely Technical Analysis Library, is a high-level Library of Python financial quantification, covering more than 150 technical analysis indicators commonly used in stock and futures trading software, such as MACD, RSI, KDJ, momentum indicators, brin belt, etc. TA lib can be divided int ...

Posted by crag on Tue, 24 Dec 2019 06:25:03 -0800

Applet development -- override HalfScreenDialog and getPhoneNumber buttons

Using HalfScreenDialog, you can make the pop-up window below. Here I give you a hint of the authorized mobile phone number. HalfScreenDialog documentation https://developers.weixin.qq.com/miniprogram/dev/extended/weui/half-screen-dialog.html Introducing HalfScreenDialog Download components Rewrite HalfScreenDialog Because of the setting of ...

Posted by daveoliveruk on Tue, 24 Dec 2019 06:04:42 -0800

FasterDFS basic configuration installation

Basic overview FastDFS is an open-source lightweight distributed file system, which manages files. Its functions include file storage, file synchronization, file access (file upload, file download), etc. It solves the problems of mass storage and load balancing. It is especially suitable for online services based on documents, such as album w ...

Posted by rickbond79 on Tue, 24 Dec 2019 04:24:37 -0800

What techniques can be used to define classes in JavaScript, and what are their trade-offs?

I like to use OOP in large projects that I'm currently working on. I need to create several classes in JavaScript, but if I remember correctly, there are at least two ways to do this. What is grammar and why is it used in this way? I want to avoid using third-party libraries - at least in the first place. In search of other answers, I foun ...

Posted by maGGot_H on Tue, 24 Dec 2019 03:54:44 -0800

MySQL learning -- backup and restore with mysqldump command

Absrtact: This paper mainly studied how to use mysqldump command to backup and restore database. Derived data Export all data Parameters: 1 --all-databases, -A Give an example: 1 mysqldump -h127.0.0.1 -uroot -p -A > db_back.sql Export the specified database Parameters: 1 --databases, -B Give an example: 1 mysqldump -h127.0.0.1 -uroot ...

Posted by gaza165 on Tue, 24 Dec 2019 02:58:30 -0800

Adding, deleting, modifying and querying solr index by springboot

solr version: 8.x springboot version: 1.5.6 1. To prepare the springboot project, pom.xml needs to introduce the following jar package <properties>     <project.final.name>htsolr</project.final.name>     <java.version>1.8</java.version>     <project.build.sourceEncoding>UTF-8</project.build.sourceEnc ...

Posted by j007w on Tue, 24 Dec 2019 02:11:39 -0800