One minute to solve the problem of 32-bit floating-point precision loss of WebGL shader in map development

The following content is reproduced from the article "WebGL shader 32-bit floating-point precision loss" of wood tree Author: tree of wood Link: https://www.cnblogs.com/dojo-lzz/p/11250327.html Source: blog Park The copyright belongs to the author. For commercial reprint, please contact the author for authorization. For non-commercia ...

Added by LMarie on Fri, 22 May 2020 08:46:32 +0300

eggjs Learning Notes Day 35: Simple Logic for Background Login Authentication

1. After getting the user name, password and authentication code in the background: (1) Get the data submitted by the form (2) Determine whether the verification code is correct or not If the verification code is correct: 1. Encrypt the password in the form by MD5 MD5 moduleHttps://www.npmjs.com/package/md5 1,install cnpm install md5 --sav ...

Added by jjoves on Wed, 20 May 2020 20:28:13 +0300

VUE Array Update

1. Classification of data methods: (1) Changes in the original array push pop unshift shift reverse sort splice (2) The original array remains unchanged, resulting in a new array slice concat filter For methods that change the original array, you can ...

Added by mwilson on Wed, 20 May 2020 19:32:21 +0300

Eggjs learning notes day 34: eggjs post management login and background permission judgment

1, Login verification. You can't access other pages without login. Judge whether the user has logged in, and use the middleware in the egg. New middleware folder under app, new adminauth.js File, type: var url = require("url"); module.exports = options => { return async function adminauth(ctx, next) { // 1. The user does not log ...

Added by Far Cry on Wed, 20 May 2020 18:13:33 +0300

Build your own component library based on Vue

Address of the project: https://husilang.github.io/zm-ui Project reference: Build Vue component library VV-UI from scratch The original intention of the project is to learn how to encapsulate a Vue based UI component library, and record each step by the way, as well as the difficulties and experiences encountered in the process. Here is my pers ...

Added by shane0714 on Mon, 18 May 2020 16:59:56 +0300

Seven ways to implement inheritance in javascript

Inheritance is the basic concept of object-oriented language. Generally OO language supports two ways of inheritance: interface inheritance and implementation inheritance. Interface inheritance only inherits method signature, while implementation inheritance inherits the actual method. The function in ECMAScript is not signed, so interface i ...

Added by Alith7 on Mon, 18 May 2020 04:00:39 +0300

jQuery plug-in Validation form Validation

function 1. Verification that the required and length of "name" are at least two digits. 2. Verification that "email" is required and in E-mail format. 3. Verify whether the "web address" is a url. 4. Whether "your comment" needs to be verified. Result chart example <!DOCTYPE html PUBLIC " ...

Added by project18726 on Sat, 16 May 2020 18:14:38 +0300

jq uses jsonp to realize Baidu search

Project realization: restore Baidu search function; Project principle: use json callback page to transfer parameters; What is jsonp? It uses the src address of the < script > tag to make the target page call back to the local page and bring in parameters, which also solves the cross domain problem; The code is as follows: html (not provid ...

Added by Punk Rock Geek on Sun, 10 May 2020 19:05:02 +0300

Java automation test framework-06 - to make up the whole shape of your test report - (detailed tutorial)

From: https://www.cnblogs.com/du-hong/p/11764517.html brief introduction After the last cosmetic and plastic surgery, some customers asked if they could upgrade the package of that ordinary member and make it more beautiful. So this time let's see where we can make it a little more beautiful. The previous article modified some basic ReportN ...

Added by AchillesForce on Sat, 09 May 2020 11:09:36 +0300

Vue.nextTick

What is nextTick Vue's official document says, "perform a delayed callback after the next DOM update cycle. Use this method immediately after modifying the data to get the updated dom. " , why does such an API appear? The main reason is that Vue uses asynchronous execution to update dom. As long as it listens for data changes, Vue wi ...

Added by dylan001 on Sat, 09 May 2020 07:55:40 +0300