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【模块化】:JS 模块化极简史
命令行工具
编程算法
ecmascript
javascript
node.js
模块化开发就是封装细节,提供使用接口,彼此之间互不影响,每个模块都是实现某一特定的功能。
WEBJ2EE
2022-03-30
1.8K
0
【模块化】:ES6 模块化
编程算法
https
网络安全
ecmascript
javascript
import.meta 是一个给 JavaScript 模块暴露特定上下文的元数据属性的对象。它包含了这个模块的信息,比如说这个模块的URL。
WEBJ2EE
2022-03-30
517
0
【Ontop】:虚拟知识图谱 (VKG)
linux
编程算法
知识图谱
sql
http
Ontop is a Virtual Knowledge Graph system. It exposes the content of arbitrary relational databases as knowledge graphs. These graphs are virtual, which means that data remains in the data sources instead of being moved to another database.(概要:Ontop 是虚拟只是图谱系统,它能把关系型库中的数据映射成知识图谱)
WEBJ2EE
2021-10-14
2K
0
URI、URL、URN、IRI,你分得清吗?
php
linux
网站
编程算法
ascii
This document describes the syntax and semantics for a compact string representation for a resource available via the Internet(注意,URL 是互联网中的一个可用资源的字符串表示,注意是互联网中。). These strings are called "Uniform Resource Locators" (URLs).
WEBJ2EE
2021-10-14
1.2K
0
【Java Tutorials】:并发(Concurrency)——入门
java
vr 视频解决方案
linux
编程算法
网站
Computer users take it for granted that their systems can do more than one thing at a time. They assume that they can continue to work in a word processor, while other applications download files, manage the print queue, and stream audio. Even a single application is often expected to do more than one thing at a time. For example, that streaming audio application must simultaneously read the digital audio off the network, decompress it, manage playback, and update its display. Even the word processor should always be ready to respond to keyboard and mouse events, no matter how busy it is reformatting text or updating the display. Software that can do such things is known as concurrent software.
WEBJ2EE
2021-09-24
1.2K
0
【Java】:Apache Commons Digester
xml
编程算法
linux
processing
java
Many projects read XML configuration files to provide initialization of various Java objects within the system. There are several ways of doing this, and the Digester component was designed to provide a common implementation that can be used in many different projects.
WEBJ2EE
2021-09-24
671
0
【MySQL】:CONCAT()、CONCAT_WS()、GROUP_CONCAT() 函数
编程算法
数据分析
api
https
网络安全
This function returns a string result with the concatenated non-NULL values from a group. It returns NULL if there are no non-NULL values. The full syntax is as follows:
WEBJ2EE
2021-09-24
1.8K
0
【RDF】:RDF、Turtle、rdflib
node.js
编程算法
linux
数据结构
The core structure of the abstract syntax is a set of triples, each consisting of a subject, a predicate and an object. A set of such triples is called an RDF graph. An RDF graph can be visualized as a node and directed-arc diagram, in which each triple is represented as a node-arc-node link.
WEBJ2EE
2021-09-02
1.4K
0
【CentOS】:软件包管理
python
yum
centos
编程算法
linux
On Linux, software is typically built as a package, distributed through repositories, and managed on the end-user’s system through package managers. Each Linux system typically contains thousands of packages, many of which are required dependencies for other packages.
WEBJ2EE
2021-09-02
1.2K
0
【Handbook 摘要】:Basics(01)
javascript
编程算法
typescript
打包
Over 20 years after its introduction to the programming community, JavaScript is now one of the most widespread cross-platform languages ever created. Starting as a small scripting language for adding trivial interactivity to webpages, JavaScript has grown to be a language of choice for both frontend and backend applications of every size. While the size, scope, and complexity of programs written in JavaScript has grown exponentially, the ability of the JavaScript language to express the relationships between different units of code has not.Combined with JavaScript’s rather peculiar runtime semantics, this mismatch between language and program complexity has made JavaScript development a difficult task to manage at scale.
WEBJ2EE
2021-06-15
417
0
【Hooks】:[组]Declarative & Imperative
编程算法
http
react
linux
https
This article strives to make this distinction of declarative vs imperative specifically for people transitioning from vanilla Javascript into React. Additionally, I am writing this during a similar transition so I apologize for any misinformation. But, I am a person who cannot just idly sit by with “React is a declarative writing style.” Therefore, I will attempt to pull apart what makes React declarative and compare it to its imperative counterpart.
WEBJ2EE
2021-02-26
658
0
【TypeScript】:functions、types
编程算法
linux
typescript
https
javascript
本系列文章将从一些著名开源项目中找一些 TypeScript 代码,讲解如何应用 TypeScript。
WEBJ2EE
2021-02-26
797
0
【Hooks】:划一波官方文档的重点...
linux
编程算法
react
mapreduce
云推荐引擎
1.1. It’s hard to reuse stateful logic between components
WEBJ2EE
2021-02-26
650
0
【Hooks 小贴士】:LifeCycle 相关 Hooks
react
编程算法
用途:使用上与 useEffect 完全相同,只是它忽略了首次渲染,且只在依赖项更新时运行。
WEBJ2EE
2021-02-26
1.6K
0
【Hooks】:[组]Awesome React Hooks
react
https
网络安全
编程算法
We know that components and top-down data flow help us organize a large UI into small, independent, reusable pieces.However, we often can’t break complex components down any further because the logic is stateful and can’t be extracted to a function or another component. Sometimes that’s what people mean when they say React doesn’t let them “separate concerns.”
WEBJ2EE
2021-02-26
658
0
【Hooks】:[组]When to use React.useCallback()
react
云推荐引擎
linux
编程算法
https
I write a lot of React components which require code review. Many times during that process someone has dropped the classic line:
WEBJ2EE
2021-02-26
397
0
【递归】:[转]Dijkstra was right — recursion should not be difficult
编程算法
node.js
“ …and discovered to my surprise that 10 % of my audience had the greatest difficulty in coping with the concept of recursive procedures. I was surprised because I knew that the concept of recursion was not difficult.” — Dijkstra’s keynote address of 1 March 1999
WEBJ2EE
2021-02-26
511
0
【Hooks】:[译]React hooks是怎么工作的
react
编程算法
从根本上说,hooks 是一种相对简单的方式去封装状态行为和用户行为。React 是第一个使用 hooks 的,然后广泛地被其他框架(比如:Vue、Svelte)所接受。但是,hooks 函数式的设计需要对 javascript 的闭包有一个深刻的理解。
WEBJ2EE
2021-02-26
965
0
【Hooks】:[译]不是魔法,仅仅是数组
编程算法
api
渲染
react
我是 hooks api 的粉丝,但是,在使用 hooks 的时候,它会有一些奇怪的约束。如果你很难理解这些规则,不妨看看这篇文章。
WEBJ2EE
2021-02-26
635
0
【ReactLive】:React 组件在线编辑器
react
https
编程算法
github
git
目录 1. ReactLive 是什么?能做什么? 2. ReactLive 的构成?工作原理? 3. 综合示例 1. ReactLive 是什么?能做什么? React Live 能实现 React 组件级的在线编辑、预览功能。 React Live brings you the ability to render React components with editable source code and live preview. import { LiveProvider, LiveEdit
WEBJ2EE
2021-01-28
3.2K
0
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