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Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?

... it also possible to do this for the height dimension if the screen gets smaller? – confile Jan 14 '14 at 0:43 @confil...
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Twitter Bootstrap Form File Element Upload Button

... Browse <input type="file" hidden> </label> This works in all modern browsers, including IE9+. If you need support for old IE as well, please use the legacy approach shown below. This techniques relies on the HTML5 hidden attribute. Bootstrap 4 uses the following CSS to shim this f...
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Where is array's length property defined?

...uage itself. 10.7. Array Members The members of an array type are all of the following: The public final field length, which contains the number of components of the array. length may be positive or zero. The public method clone, which overrides the method of the same name in clas...
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How to get the function name from within that function?

... ret = ret.substr(0, ret.indexOf('(')); return ret; } Using Function.caller is non-standard. Function.caller and arguments.callee are both forbidden in strict mode. Edit: nus's regex based answer below achieves the same thing, but has better performance! In ES6, you can just use myFunction.na...
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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...
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Using success/error/finally/catch with Promises in AngularJS

... Promises are an abstraction over statements that allow us to express ourselves synchronously with asynchronous code. They represent a execution of a one time task. They also provide exception handling, just like normal code, you can return from a promise or you can throw. ...
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How do you dismiss the keyboard when editing a UITextField

... the point. By subscribing to the DidEndOnExit event, you do not need to call resignFirstResponder. You can test this by putting a symbolic breakpoint on [UIResponder resignFirstResponder]. Note that even if if you don't call resignFirstResponder, it still gets called by the system. This is expl...
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Get difference between 2 dates in JavaScript? [duplicate]

...day. As for always returning a positive number, that was a feature :) Typically when one talks about the number of days between two dates, that number is positive. If direction matters, just remove the Math.abs(). – TNi Jul 11 '10 at 22:38 ...
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What is the difference between a directory and a folder?

...hs, which can vary between versions of Windows, and between individual installations. ... If one is referring to a container of documents, the term folder is more appropriate. The term directory refers to the way a structured list of document files and folders is stored on the computer. The distinct...
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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 ...