javascript solution to the loss of precision in addition, subtraction, multiplication and division of decimals
Author: Wu Zhichun
Continued JavaScript digital storage We know why 0.1 + 0.2 โ 0.3 and find a problem. Let's solve the problem this time.
Analyze problems
Before solving the problem, let's find out the root cause of the problem. The root of the problem is that the integer is too large; Decimal is because there is an invalid cycle when co ...
Added by peeter_talvistu on Thu, 20 Jan 2022 18:42:26 +0200
Read the element UI source code and how to find the style and component entry file
How to read?
First, find the entry fileFind style and component filesAre there any reusable small components, and what are the large components composed of these small components
Entry file
Project startup document:
"scripts": {
"bootstrap": "yarn || npm i",
"build:file": "node build/bin/iconInit.js & node build/bin/build-entr ...
Added by Megahertza on Thu, 20 Jan 2022 17:32:05 +0200
[HTML for reconstructing the front-end knowledge system] takes you to recall those vague HTML tags
[HTML for reconstructing the front-end knowledge system] takes you to recall those vague HTML tags
introduction
In the previous section, it was said that HTML is a markup language, so the most important thing is tags, that is, tags.
So many labels? Want to write it all here?
Of course not. Common tags will be explained here. (up to 70% in commo ...
Added by pha3dr0n on Thu, 20 Jan 2022 16:43:30 +0200
Flash + gunicorn enables web services to call Python/pytorch programs concurrently to solve the problem of multithreading / multiprocessing
Flash + gunicorn enables web services to call Python / Python programs concurrently to solve the problem of multithreading / multiprocessing
Project scenario:
Project requirements: forward the client's request to the flash program instance via the Web server and call the python / Python program. Problem Description: since the flame framework ...
Added by Vijay.Bansode on Thu, 20 Jan 2022 16:30:22 +0200
1000 powder! Use three JS make an exclusive 3D Medal ๐ฅ
backgroundThe defense is broken ๐ญ! Suddenly, I found that the number of fans of SegmentFault platform has exceeded 1000. It is the first of my three blog platforms nuggets, blog Garden and SegmentFault to exceed 1000. So I designed and developed this page to commemorate it. Thank you very much for your attention ๐๏ผ In the future, I will pay ...
Added by wrathyimp on Thu, 20 Jan 2022 14:13:55 +0200
Using Vue instances (Global API s)
Overview
Vue.extend(options) // Create a Vue instance by inheriting an option object
Vue.nextTick([callback, context]) // Perform a deferred callback after the next DOM update cycle ends
Vue.set(target, key, value) // Set the properties of the object. If it is a responsive object, it will trigger the view update
Vue.d ...
Added by jefrat72 on Thu, 20 Jan 2022 11:33:10 +0200
Vue core knowledge summary (super classic, real-time update)
1. Getting started with Vue Basics
1.1 scaffold environment installation Vue
Installation of scaffold
# Install @ vue/cli
cnpm i -g @vue/cli
1.2. Create Vue project
Create a project folder locally, such as d:\project, run cmd in this directory, and then execute the following command:
# Create project
vue create myapp
# Select the in ...
Added by blueman378 on Thu, 20 Jan 2022 11:14:36 +0200
HTML making game console model (simple)
A small task of the school Mobile Innovation Application Association is to make a virtual game handle with HTML.
It looks very fresh, and I'm not very familiar with the front end, so I'll try it.
Let's look at the concept map first:
(concept map is a concept map after all ๐
)
It looks troublesome, red, blue, red and blu ...
Added by shadow_blade47 on Thu, 20 Jan 2022 07:33:28 +0200
[HTML for reconstructing the front-end knowledge system] takes you to recall those vague HTML tags
[HTML for reconstructing the front-end knowledge system] takes you to recall those vague HTML tagsintroductionIn the previous section, it was said that HTML is a markup language, so the most important thing is tags, that is, tags.So many labels? Want to write it all here?Of course not. Common tags will be explained here. (up to 70% in common us ...
Added by cwiddowson on Thu, 20 Jan 2022 07:01:40 +0200
Nodejs file upload based on express+multer
overview
Image upload is a function often used in web development, and the node community also has relatively perfect support in this regard.
Common open source components include multer and formidable. With the help of these two open source components, you can easily upload pictures.
This paper mainly explains the following contents, and th ...
Added by Sir Mildred Pierce on Thu, 20 Jan 2022 06:24:04 +0200