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What is the purpose of the “final” keyword in C++11 for functions?
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@AaronMcDaid: Compilers usually warn about code that, being correct, might cause confusion or errors. I have never seen anyone surprised by this particular feature of the language in a way that could cause any problem, so I don't really know how useful...
Use grep --exclude/--include syntax to not grep through certain files
... Any suggestions for what to use when --exclude-dir is unavailable? In all my attemps, --exclude does not appear to fit the bill.
– JMTyler
Mar 31 '14 at 18:05
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Why is there a `null` value in JavaScript?
In JavaScript, there are two values which basically say 'I don't exist' - undefined and null .
12 Answers
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var functionName = function() {} vs function functionName() {}
...);
function functionTwo() {
console.log("Hello!");
}
Historically, function declarations defined within blocks were handled inconsistently between browsers. Strict mode (introduced in ES5) resolved this by scoping function declarations to their enclosing block.
'use strict';
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Static Indexers?
...me too - an example I tend to use is Encoding, where Encoding.GetEncoding("foo") could be Encoding["Foo"]. I don't think it would come up very often, but aside from anything else it just feels a little inconsistent not to be available.
I would have to check, but I suspect it's available in IL (Inte...
Template default arguments
If I am allowed to do the following:
4 Answers
4
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Comparison of C++ unit test frameworks [closed]
... few questions regarding recommendations for C++ unit test frameworks, but all the answers did not help as they just recommend one of the frameworks but do not provide any information about a (feature) comparison.
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Get underlying NSData from UIImage
...a pixel array or some other internal format. In other words, UIImage(data: foo) will not retain foo.
If you just want to use it elsewhere in your program, the original UIImage will do fine (I presume that's not actually the case here)
If you want to serialise, UIImagePNGRepresentation(...) will wo...
Passing arguments forward to another javascript function
...manipulate that before passing it along, for example: var copy = [].slice.call(arguments); <remove what you want> myFunc.apply(this, copy);
– Nick Craver♦
Feb 17 '12 at 11:18
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Express-js wildcard routing to cover everything under and including a path
...wser (or curl):
const app = require('express')()
// will be able to match all of the following
const test1 = 'http://localhost:3000/hello/world'
const test2 = 'http://localhost:3000/hello/world/'
const test3 = 'http://localhost:3000/hello/world/with/more/stuff'
// but fail at this one
const failTe...