jsp's built-in object, scope and servlet are briefly introduced

1. 9 built-in objects of JSP (used directly without creating) pageContext, page, page Request completes a request and the response object responds Session one session, application the whole server, exception exception exception, out output object, config configuration 2.4 large scope (different scope of storage attributes < scope &gt ...

Added by manishsinha27 on Thu, 20 Jan 2022 18:53:13 +0200

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 ๐Ÿฅ‡

backgroundThe defense is broken ๐Ÿ˜ญ! 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 ๐Ÿ™๏ผŒ In the future, I will pay mo ...

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 ๐Ÿ˜…) It looks troublesome, red, blue, red and blue ...

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