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Getting reference to the top-most view/window in iOS application

... Usually that will give you the top view, but there's no guarantee that it's visible to the user. It could be off the screen, have an alpha of 0.0, or could be have size of 0x0 for example. It could also be that the keyWindow ha...
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AngularJS - Binding radio buttons to models with boolean values

...... The data- prefix is to make the HTML valid (although without that also all modern browsers handle the HTML correctly) – kumarharsh Dec 19 '14 at 6:07 7 ...
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Are the days of passing const std::string & as a parameter over?

...he said is because of cases like this. Let's say I have function A which calls function B, which calls function C. And A passes a string through B and into C. A does not know or care about C; all A knows about is B. That is, C is an implementation detail of B. Let's say that A is defined as follow...
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Remove non-numeric characters (except periods and commas) from a string

... You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows: $testString = '12.322,11T'; echo preg_replace('/[^0-9,.]+/', '', $testString); The pattern can also be expressed as /[^\d,.]+/ ...
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When to use an interface instead of an abstract class and vice versa?

... Duncan Malashock, not really. Jorge's answer is the better one. Alex's answer focuses on mechanics, while Jorge's more on semantics. – Nazar Merza Mar 18 '16 at 16:07 ...
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Difference between dict.clear() and assigning {} in Python

In python, is there a difference between calling clear() and assigning {} to a dictionary? If yes, what is it? Example: ...
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Which icon sizes should my Windows application's icon include?

... 24, 32, 40, 48, 64, 96, 128 and 256. Then I checked which image is shown. All these were done with normal 96dpi. If using a larger DPI, the larger sizes may be used (only checked this a bit in Windows 7). The results: Windows XP: Explorer views: Details / List: 16 Icons: 32 Tiles / Thumbnails: 48...
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How to avoid type safety warnings with Hibernate HQL results?

...way to do it, though it does involve a bit of finger typing each time you call q.list(). There are two other techniques I'd suggest: Write a cast-helper Simply refactor all your @SuppressWarnings into one place: List<Cat> cats = MyHibernateUtils.listAndCast(q); ... public static <T&gt...
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Apache POI Excel - how to configure columns to be expanded?

... After you have added all your data to the sheet, you can call autoSizeColumn(int column) on your sheet to autofit the columns to the proper size Here is a link to the API. See this post for more reference Problem in fitting the excel cell size ...
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How to create a printable Twitter-Bootstrap page

... type="text/css" media="print" href="print.css"> or one you share for all devices: <link rel="stylesheet" type="text/css" href="bootstrap.min.css"> # Note there's no media attribute Then, you can write your styles for printers in the separate stylesheets or in the shared one using medi...