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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...
Setting Environment Variables for Node to retrieve
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@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...
How do I mock the HttpContext in ASP.NET MVC using Moq?
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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 );
...
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.
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Is it possible only to declare a variable without assigning any value in Python?
...ython is dynamic, so you don't need to declare things; they exist automatically in the first scope where they're assigned. So, all you need is a regular old assignment statement as above.
This is nice, because you'll never end up with an uninitialized variable. But be careful -- this doesn't mean...
Calling static generic methods
... as per JLS section 15.12.2.8. To be explicit, you'd call something like:
Foo.<String>createFoo();
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Display two files side by side
...es only 72 columns for its output, but it's relatively easy to make it use all available columns of your terminal window:
pr -w $COLUMNS -m -t one.txt two.txt
Most shell's will store (and update) your terminal's screenwidth in the $COLUMNS environment variable, so we're just passing that value on...
How to go to each directory and execute a command?
...oesn't match anything else than numbers, but in the general case, you basically always want to put the directory name in double quotes inside the loop. cd "$d" would be better in that it transfers to situations where the wildcard does match files whose names contain whitespace and/or shell metachar...
How do you check that a number is NaN in JavaScript?
... in specs tc39.github.io/ecma262/#sec-isnan-number
– allsyed
Jul 11 '16 at 5:43
5
isNaN(parseFloa...
what is the difference between ?:, ?! and ?= in regex?
...ng the pure regular expression. Perhaps I can but I would have to rely on callback functions.
– Y. Yoshii
May 16 '18 at 7:17
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