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variable === undefined vs. typeof variable === “undefined”
...ation marks (typeof foo; // -> "undefined") to emphasise it is a string and not the primitive value undefined.
– c24w
Apr 19 '13 at 16:06
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How to push different local Git branches to Heroku/master
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whats the difference btween these two commands or do we have to carry out both
– Saad Masood
Sep 26 '13 at 10:13
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How to escape double quotes in a title attribute
...le="Some &quot;text&quot;">Hover me</a>
Is correct and it works as expected - you see normal quotes in rendered page.
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Static classes and methods in coffeescript
...tor: () ->
@drawWorld: (world, context) -> alert 'World drawn!'
# And then draw your world...
Box2DUtility.drawWorld()
Demo: http://jsfiddle.net/ambiguous/5yPh7/
And if you want your drawWorld to act like a constructor then you can say new @ like this:
class Box2DUtility
constructor: ...
What is an Endpoint?
I have been reading about OAuth and it keeps talking about endpoints. What is exactly an endpoint?
11 Answers
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“NODE_ENV” is not recognized as an internal or external command, operable command or batch file
...s would be
SET NODE_ENV=development
node foo.js
running in the same command shell. You mentioned set NODE_ENV did not work, but wasn't clear how/when you executed it.
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Should we @Override an interface's method implementation?
...bject obj).
The same will go for methods that implement an interface (1.6 and above only) or override a Super class's method.
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How do I view the type of a scala expression in IntelliJ
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Select expression and type Alt + =.
If you want to change the shortcut go to Preferences > Keymap and enter "Type Info" in the search field.
In older versions, it's Shift + Ctrl + Alt + T.
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How to test valid UUID/GUID?
...e is the NIL UUID, noted here. The following regex takes this into account and will return a match for a NIL UUID. See below for a UUID which only accepts non-NIL UUIDs. Both of these solutions are for versions 1 to 5 (see the first character of the third block).
Therefore to validate a UUID...
/^...
Cross-browser custom styling for file upload button [duplicate]
...visibility:hidden or display:none file-input). I've tested in emulated IE7 and up, and it worked perfectly.
You can't use <button>s inside <label> tags unfortunately, so you'll have to define the styles for the buttons yourself. To me, this is the only downside to this approach.
If t...