Is there a native machine code compiler for JavaScript? [closed]

As far as I know, there are no static compilers for JavaScript. It is certainly theoretically possible; however, a static compilation of JavaScript would need a very heavyweight runtime to support all of its features (such as dynamic typing and eval). As a small aside, when presented with the need to statically compile Python (another …

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What are the difference between generic Type(T) vs any in typescript

There is no difference if this is identity function that just returns an argument and used without type restrictions: const foo: any = fn([‘whatever’]); And there is a difference for typed code: const foo: string = fn(‘ok’); const bar: string = fn([{ not: ‘ok’ }]); Also, the usage of generic type provides semantics. This signature …

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ReferenceError: module is not defined – Karma/Jasmine configuration with Angular/Laravel app

Perhaps this will help someone. The solution, for me, was to make sure angular-mocks.js was loaded before my tests. If you’re not sure, you control the order in karma.conf.js under the following section: // list of files / patterns to load in the browser files: [ // include files / patterns here Next, to get …

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Are WebSockets suitable for real-time multiplayer games?

WebSockets are the best solution for realtime multiplayer games running in a web browser. As pointed out in the comments there is an initial handshake where the HTTP connection is upgraded but once the connection is established WebSockets offer the lowest latency connection mechanism for bi-directional communication between a server and a client. I’d recommend …

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Selenium versus BeautifulSoup for web scraping

Before answering your question directly, it’s worth saying as a starting point: if all you need to do is pull content from static HTML pages, you should probably use a HTTP library (like Requests or the built-in urllib.request) with lxml or BeautifulSoup, not Selenium (although Selenium will probably be adequate too). The advantages of not …

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