How to create a loader animation of comet trailing effect with pure CSS

Effect preview Online demo Press the "click preview" button on the right to preview on the current page, and click the link to preview in full screen. https://codepen.io/comehope/pen/YLRLaM Interactive video tutorial This video is interactive. You can pause the video at any time and edit the code in the video. Please use chrome, safa ...

Posted by headcutter on Thu, 05 Dec 2019 06:39:14 -0800

01Gin source code interpretation

brief introduction Gin source code interpretation, based on v1.5.0 Edition. Process Overview On the official document, an example of getting started is as follows: package main import "github.com/gin-gonic/gin" func main() { r := gin.Default() r.GET("/ping", func(c *gin.Context) { c.JSON(200, gin.H{ "message": "po ...

Posted by brandone on Thu, 05 Dec 2019 04:09:38 -0800

Python alignment display | | | |, tabuilate function |, wcwidth module |, that's enough to know

tabulate function Official documents tabulate literal translation is to make tables and let python realize tabular display. Detailed documentation tabulate.tabulate(tabular_data, headers=(), tablefmt=u'simple', floatfmt=u'g', numalign=u'decimal', stralign=u'left', missingval=u'') tabular_data: the content to be displayed ...

Posted by Eskimo887 on Thu, 05 Dec 2019 02:12:10 -0800

02 flask user authentication and role management database design

Authentication management New database create database `flasky` default character set utf8 collate utf8_general_ci; Required plug-ins Flash mail: used to send authentication information Flask login: used to manage session s Werzeug + its dangerous: used for adding salt to the password hash Flash WTF: form object creation Flash bootstrap: bo ...

Posted by gladiator83x on Wed, 04 Dec 2019 23:29:13 -0800

Building the Mesos cluster environment of "advanced" docker (24)

>Original article, welcome to reprint. Reprint please indicate: reprint from IT people's story meeting Thank you!>Original link address: Building the Mesos cluster environment of "advanced" docker (24) This time, I will start to operate. First, I will install the MES. How to install the MES. Source code: https://github.com/lim ...

Posted by jacksonmj on Wed, 04 Dec 2019 22:13:26 -0800

The principle and implementation of Android multithread breakpoint Download

During this time, I looked at the download components of the studio's tool library and found some problems: 1. There is a bug in the download core logic, and there is a probability that the download cannot be completed successfully when the download is suspended or fails.2. Although the original design adopts the design of multi-threaded brea ...

Posted by ogge1 on Wed, 04 Dec 2019 21:53:57 -0800

How to create a shaking bulletin board with pure CSS

Effect preview Online demo Press the "click preview" button on the right to preview on the current page, and click the link to preview in full screen. https://codepen.io/comehope/pen/wjZoGV Interactive video tutorial This video is interactive. You can pause the video at any time and edit the code in the video. Please use chrome, safa ...

Posted by darknuke on Wed, 04 Dec 2019 14:32:39 -0800

How to draw a Penrose triangle which does not exist in the world with pure CSS

Effect preview Online demo Press the "click preview" button on the right to preview on the current page, and click the link to preview in full screen. https://codepen.io/comehope/pen/RyvgMZ Interactive video tutorial This video is interactive. You can pause the video at any time and edit the code in the video. Please use chrome, safa ...

Posted by Illusionist on Wed, 04 Dec 2019 12:31:03 -0800

Java serialization 57 equals rewrite, finalize method, hashCode method

I. how to compare the consistency of two strings in java 1. You can't use double equal signs to compare whether two strings are equal. You should use the equals method to compare, for example   package com.bjpowernode.java_learning; ​ public class D57_1_ { public static void main(String[] args){ String s1 = new String("ABC"); St ...

Posted by kristolklp on Wed, 04 Dec 2019 11:55:17 -0800

Another OneDrive command line client

Another OneDrive command line client Be based on Laravel-Zero , and made a lot of changes. This project references onedrivecmd , but the language is based on PHP. After all, PHP is the best language in the world. OLAINDEX-CMD is the command line version of OLAINDEX Github Project address: https://github.com/WangNingkai/OLAINDEX-CMD Characteri ...

Posted by JD* on Wed, 04 Dec 2019 10:25:21 -0800