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Understanding promises in Node.js
From what I have understood there are three ways of calling asynchronous code:
9 Answers
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returning in the middle of a using block
...you issues is if you return in the middle of a using statement and additionally return the in using variable. But then again, this would also cause you issues even if you didn't return and simply kept a reference to a variable.
using ( var x = new Something() ) {
// not a good idea
return x...
How to detect the currently pressed key?
...thing, you haven't answered the question properly. The OP is asking about all keys and used the Shift key as an example only. So how do you detect other keys such as A to Z, 0 to 9 etc.
– Ash
Dec 18 '09 at 10:03
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Get the name of an object's type
...nstance (2).constructor.name is "Number".
But here are various hacks that all fall down in one way or another:
Here is a hack that will do what you need - be aware that it modifies the Object's prototype, something people frown upon (usually for good reason)
Object.prototype.getName = function() { ...
How do I get user IP address in django?
...re you have reverse proxy (if any) configured correctly (e.g. mod_rpaf installed for Apache).
Note: the above uses the first item in X-Forwarded-For, but you might want to use the last item (e.g., in the case of Heroku: Get client's real IP address on Heroku)
And then just pass the request as argu...
The Role Manager feature has not been enabled
...tried putting it in Application_Start and it says This method can only be called during the application's pre-start initialization phase.
– Maslow
May 8 '13 at 15:17
1
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Returning null as an int permitted with ternary operator but not if statement
...ll trying to understand capture conversion and lub(T1,T2))?? Also, Is it really possible to apply boxing to a null value? Wouldn't this be like "guessing"??
– Marsellus Wallace
Nov 11 '11 at 21:03
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What's the fastest way to delete a large folder in Windows?
... rm -rf folder works wonderfully fast if you have Cygwin installed.
– Sinan Ünür
May 23 '09 at 14:18
45
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
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Update 2016:
Modern browser behave much better. All you should need to do is to set the image width to 100% (demo)
.container img {
width: 100%;
}
Since you don't know the aspect ratio, you'll have to use some scripting. Here is how I would do it with jQuery (demo)...
UILabel - auto-size label to fit text?
...thing very similar, my category lets a UILabel stretch it's height to show all the content: https://gist.github.com/1005520
Or check out this post: https://stackoverflow.com/a/7242981/662605
This would stretch the height, but you can change it around easily to work the other way and stretch the w...