Koa (koajs) is a new web framework created by the original team behind Express, dedicated to becoming a smaller, more expressive, and robust cornerstone in the field of web application and API development. By utilizing asynchronous functions, Koa helps you discard callback functions and effectively enhances error handling. Koa does not bundle any middleware, but provides an elegant approach to help you write server-side applications quickly and happily.
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Node.js is a JavaScript runtime environment based on Chrome V8 engine. Node.js uses an event driven, non blocking I/O model, making it lightweight and efficient. Npm, the package manager for Node.js, is the world's largest open-source library ecosystem.
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Three.js is an open-source mainstream 3D drawing JS engine (the name Three means 3D), originally written by Mr Doob, the project address is: https://github.com/mrdoob/three.js/ .
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Declarative form React makes creating interactive UI easy. Design concise views for each state of your application, so that React can efficiently update and render appropriate components when data changes. Writing UI in a declarative manner can make your code more reliable and easy to debug. Componentization Build encapsulated components that manage their own state, and then combine them to form a complex UI. Due to the fact that component logic is written in JavaScript rather than templates, you can easily pass data in your application while keeping state separate from DOM. One study, write anywhere No matter what technology stack you are currently using, develop new features by introducing React without rewriting existing code. React can also use Node for server rendering, or develop native mobile applications using React Native.
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JQuery is an efficient, streamlined, and feature rich JavaScript toolkit. The API it provides is easy to use and compatible with many browsers, making HTML document traversal and manipulation, event handling, animation, and Ajax operations simpler.
Bootstrap is an open-source toolkit launched by Twitter for front-end development. It was developed by Twitter designers Mark Otto and Jacob Thornton in collaboration and is a CSS/HTML framework. Currently, the latest version of Bootstrap is 3.0. Bootstrap Chinese website is committed to providing detailed Chinese documentation, code examples, etc. for domestic developers to help them master and use this framework.
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Using React to create native applications for Android and iOS React Native combines the best parts of native development with React, committed to becoming the top JavaScript framework for building user interfaces. Add as much as you want: React Native can be seamlessly integrated into your existing Android or iOS projects at any time, or completely rewritten from scratch. JavaScript in hand, native I have: rendering React basic abstract components into native platform UI components means that every view and native application are no different. Multi platform, iron clad React: In most cases, teams using React Native can share a basic code and a common technology - React - across multiple platforms. Simple and easy to develop, everyone contributes to practice: React Native allows you to create truly native applications, with a seamless user experience. It provides some platform independent abstract core components, such as View, Text, and Image, which can be directly mapped and rendered as native UI components for the corresponding platform. Seamless cross platform: With React's declarative component mechanism and JavaScript code, existing native code and APIs can be perfectly encapsulated and integrated into React components. This not only empowers more new development teams with native application development capabilities, but also greatly improves the development efficiency of existing native teams. Instant refresh: Save and refresh. With the dynamic nature of JavaScript, React Native allows you to iterate at lightning speed. Don't wait foolishly for compilation anymore, modify, save, refresh! In 2018, React Native ranked second among all GitHub projects in terms of the number of contributors. Nowadays, companies and individuals around the world continue to contribute code to React Native, including but not limited to Callstack, Expo, Infinite Red, Microsoft, and Software Mansion.
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Syncbird:It is a free and powerful data synchronization tool, supporting data synchronization between iPhone, iPad and iPod devices, and transferring music, photos, videos, e-books and other files without iTunes.
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Cloudopt It is a browser based extension with security function and anti harassment advertising function. It adopts a new interception mode and uses machine learning method to dynamically evaluate a website from the aspects of popularity, netizens' evaluation, news evaluation, court judgment, security appraisal of the third-party security agency, etc. if your browser advertisement blocking plug-in is not easy to use, you may as well try it Try. Cloudopt can now: Intercept common malicious advertisements. Accelerate page loading, save bandwidth, block advertisement and pop-up window. Intercept all kinds of spyware, adware and dial-up installation program. Protect your privacy by blocking common third-party tracking systems. Protect you against malicious and phishing attacks. Protect you from harassment and fraudulent calls. Prevent scripts from downloading from dangerous websites. Cloudopt features: Reputation evaluation: if you want to know the reputation evaluation and user evaluation of the website you are visiting, you can click the view reputation report in the plug-in pop-up window to view the relevant evaluation. Phone number interception: cloudopt will automatically help you identify malicious, harassment, fraud, intermediary calls on the website according to your country and region, and prompt you in real time during browsing. Harassment and privacy protection: at present, cloudopt can automatically prevent the analysis website from tracking or recording your online activities, as well as various common harassment advertisements. Security tips: phishing websites emerge in an endless stream. It is difficult to distinguish what is a phishing website and what is a real website even if it is using reputation evaluation technology. So when you visit some common e-commerce, bank, game website, the security prompt will pop up automatically. When there are no safety tips, you need to pay attention. Bookmark search: we often add bookmarks to the webpage, we don't necessarily go to see it, but we prefer to search, so cloudopt Provides you with bookmark search function. When you search for a keyword on a search engine, if there is a matching bookmark, it will be displayed automatically. At present, it supports Google, Bing and Baidu. Full SSL encryption protection: because cloudopt uses cloud security to provide better protection for you, you need to connect to cloudopt Security center, of course, in order to protect your data from being leaked even in an insecure network, we have provided you with a full SSL link and have passed the A + level certification. Cloudopt is committed to helping users around the world stay away from phishing sites, virus Trojan threats, fraud, and ad phone calls. Real time protection of your security, prevent tracking, malicious domain names, filtering banner ads, pop-up ads and video ads. Cloudopt, the strongest security plug-in in in the eastern hemisphere, can effectively block all types of advertisements, phishing websites, fraud websites and phone calls on all web pages.
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The vintage and modern free public domain images archive is a site that provides free high-definition images. As long as the categories involved are retro and modern, all the images on the website are large high-definition images without watermark.
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Mega Tags is a META tag generator tool for websites and various media. It is very helpful for SEO optimization of search engines. This tool can help webmasters create the most complete META tags. It also supports the generation of tags and Twitter tags for Facebook, Google+, Pinterest and LinkedIn. What is a website META tag? It is a method of providing various information descriptions for the current web page, such as web page title, description, URL, publisher and language, etc. (mainly placed in the source code). In order for search engines and social networking site machines to understand your web page, these tags must be specified so that the platform can directly access and display them to avoid errors caused in the middle. From these instructions, you can understand the importance of META tags. How to use Mega Tags: Just open the web page, fill in the items you want to set, and you can quickly generate the corresponding META tag writing method, and then copy it to the web page. First, after opening the website, select the type to be used from step 1, such as website, application (iOS, Android App), article, video or e-commerce website product. The types of tags that can be brought in should be different. By default, only Open Graph, that is, og tags, will be generated. If you want to generate Twitter dedicated tags, you can check it. Then fill in the relevant information of your page from the second step. The most important ones are the three items of web page title, description and website image. There will also be settings for Open Graph and Twitter tags below. After filling in, the corresponding META tags will be automatically generated on the right. Open Graph is a tag that many websites use. It is recommended to set it carefully (especially now that many website links will be reposted to Facebook. Setting these fields completely will help to display more correct information on social networking sites). Not every field of Open Graph must be filled in. For example, videos, administrator IDs or application IDs are not required options. If they are not used, just leave them blank. After the settings are completed, click the pink "Copy Code" button on the right to copy all the generated META tags, paste it to the appropriate location of the website (usually between), and you're done! Finally, the Mega Tags website also provides several commonly used testing tools, including Facebook Debugger and Google Structured Data Testing Tool. Just connect to these websites and enter the link you just added to the META tag to test whether the display effect meets your expectations. After testing with the Google Structured Data Testing Tool, you may find some errors or warning items. Remember to open the detection results to see which tags have problems and try to correct them to make them normal so as not to affect the website.
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Clippings is a tool that helps users with Kindle devices manage excerpts and notes. Whether you are a student, writer, researcher or ordinary reader, you can easily organize all notes and excerpts on Kindle devices, Kindle apps and handwritten notes through this tool. Clippings Features: Import: Import your Kindle excerpts - using the Google Chrome extension or by uploading your myclippings.txt file; Export: Export your Kindle excerpts to beautifully formatted documents in a variety of formats, such as Word, Excel, and PDF; Integration: Publish your Kindle excerpts to third-party services such as Evernote; Organize: Edit, search, tag, and annotate your Kindle excerpts; Share: Share your favorite Kindle excerpts with friends. Devices: Import Kindle excerpts made on Kindle or the Amazon Kindle Reader App (running on your preferred iOS, Android, or Windows device). I hesitated for a long time when buying a Kindle device, but once I made up my mind to buy it, it was easy to use and convenient. In addition, I made good use of some third-party tools to record the essence of the book, which is definitely a great tool for reading.
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