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Course Elementary 13197

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

CSS Online Manual

Course Elementary 81655

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

SVG Tutorial

Course Elementary 12709

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

AngularJS Chinese Reference Manual

Course Elementary 24162

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Go language tutorial manual

Course Elementary 26927

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.

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After configuring ajax, I re-request the data every time I execute rerender. As a result, it was originally the third page, but after re-rendering, it changes back to the first page. Is there a way to only re-render without re-requesting the ajax data? Or It is still the third page when re-requesting

2017-05-15 17:09:55

javascript - swiper.js has nested swiper. The initial setting cannot slide to the next one. Re-initialize after the end.

{Code...} Drag and drop completed {Code...} How to re-initialize?

2017-06-28 09:27:46

javascript - Is there a way to request a URL without loading the requested resource? Just establish a connection?

Now there is a website html page. I just want to establish a connection with it, but I don't want to load its resources. Is there any way to do it?

2017-05-19 10:44:59

objective-c - iOS uses GCDAsyncSocket to establish a long connection to send messages

iOS uses GCDAsyncSocket to establish a long connection to send messages. Why does GCDAsyncSocket need to be initialized once before sending a message? Is there something wrong in my code? This is the send message button method. When I initialize GCDAsyncSocket and write it to viewDidLoad, the server accepts it. .

2017-05-02 09:30:53

How to update state in Context in React.js without having the component re-render?

So basically I'm using the Google Maps API and when I click on a building it displays a modal with some information. The mode's state is in the context and updated via click events on the map. What happens is that when the state updates, it re-renders the entire Map again (making it smaller) because the state is updated from the Map component itself. How can I update the context state but not have the map re-render? I tried using memo and useCallback but since the props are being updated (context) it re-renders the map again.

2024-02-26 00:05:17

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Can PHP Establish WebSockets Without External Libraries?

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Does React Re-render Components After Every `setState()` Call?

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Does React Always Re-render Components on State Change?

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