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Stacking Divs from Bottom to Top

... All the answers miss the scrollbar point of your question. And it's a tough one. If you only need this to work for modern browsers and IE 8+ you can use table positioning, vertical-align:bottom and max-height. See MDN for specific browser compatibility. Demo (vertical-align) .wrapp...
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Android: How to enable/disable option menu item on button click?

...enu() method is called only once, as described above. The system keeps and re-uses the Menu you define in this method until your activity is destroyed. If you want to change the Options Menu any time after it's first created, you must override the onPrepareOptionsMenu() method. This ...
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What are 'closures' in .NET?

... The general feature of closures is implemented in C# by anonymous methods and lambda expressions. Here's an example using an anonymous method: using System; class Test { static void Main() { Action action = CreateAction(); action(); action(); } static Act...
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PHP: How to send HTTP response code?

... I just found this question and thought it needs a more comprehensive answer: As of PHP 5.4 there are three methods to accomplish this: Assembling the response code on your own (PHP >= 4.0) The header() function has a special use-case that detects...
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Set operations (union, intersection) on Swift array?

Are there any standard library calls I can use to either perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)? ...
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Python constructors and __init__

Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class? ...
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How to add custom validation to an AngularJS form?

I have a form with input fields and validation setup by adding the required attributes and such. But for some fields I need to do some extra validation. How would I "tap in" to the validation that FormController controls? ...
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passing several arguments to FUN of lapply (and others *apply)

...n the lapply call as an argument, like so: lapply(input, myfun, arg1=6) and lapply, recognizing that arg1 is not an argument it knows what to do with, will automatically pass it on to myfun. All the other apply functions can do the same thing. An addendum: You can use ... when you're writing you...
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Is there a Google Keep API? [closed]

... No there isn't. If you watch the http traffic and dump the page source you can see that there is an API below the covers, but it's not published nor available for 3rd party apps. Check this link: https://developers.google.com/gsuite/products for updates. However, there...
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What character encoding should I use for a HTTP header?

...e http://html5boilerplate.com/ for more info) for a Server HTTP-header and am wondering if it is "allowed" per spec. 2 ...