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JavaScript variables declare outside or inside loop?

In AS3 I believe you should initialise all variables outside loops for increased performance. Is this the case with JavaScript as well? Which is better / faster / best-practice? ...
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How do I disable the security certificate check in Python requests

...erification happens only once per connection so we need to close # all the opened adapters once we're done. Otherwise, the effects of # verify=False persist beyond the end of this context manager. opened_adapters.add(self.get_adapter(url)) settings = old_merge_enviro...
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?

...header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com . 3 Answers ...
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Swift class introspection & generics

...tance = typeOfObject() I quickly tested it with String: let someType = "Fooo".dynamicType let emptyString = someType() let threeString = someType("Three") which worked fine. share | improve thi...
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“loop:” in Java code. What is this, and why does it compile?

...s the OP might not be familiar with the goto/label concept, that it's generally regarded as a bad practice, except in very particular situations (for instance, for shortcutting multiple nested loops). – haylem Sep 29 '10 at 13:21 ...
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Loop through an array in JavaScript

...ns Too verbose Imperative Easy to have off-by-one errors (sometimes also called a fence post error) 2. Array.prototype.forEach The ES5 specification introduced a lot of beneficial array methods, one of them, the Array.prototype.forEach and it gives us a concise way to iterate over an array: co...
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Calling static generic methods

... as per JLS section 15.12.2.8. To be explicit, you'd call something like: Foo.<String>createFoo(); share | improve this answer | follow | ...
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What does “./” (dot slash) refer to in terms of an HTML file path location?

...e main part of the question then is: "Why to use it and is it necessary at all?". The only reason to prefer the syntax of "./file" instead of "file" I was able to find is that ./ means current folder and ONLY the current folder. So if there is some kind of tool/compiler/etc that searches for the fil...
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Setting Environment Variables for Node to retrieve

... @mibbit yes, that's what dotenv is all about, as it will read your .env file and apply it. – balexandre Feb 21 '19 at 10:39 add a comme...
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How do I mock the HttpContext in ASP.NET MVC using Moq?

... HttpContext is read-only, but it is actually derived from the ControllerContext, which you can set. controller.ControllerContext = new ControllerContext( context.Object, new RouteData(), controller ); ...