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Table Header Views in StoryBoards

...heightForHeaderInSection:(NSInteger)section code otherwise I'd end up with extra space above the header view itself. Also, in order for this header to "stick" at the top of the table view, I had to implement viewForHeaderInSection:(NSInteger)section and return this view. – ozz ...
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How do I hide javascript code in a webpage?

... makes it one step removed from View Source - that's all, but it's a valid extra step. – jfriend00 Jul 29 '11 at 7:09 ...
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How do I scroll the UIScrollView when the keyboard appears?

... well, you might want to do extra adjustment (reduction) of the content inset bottom per this stackoverflow.com/questions/25704513/… in case the scroller is occupying the whole height of the screen UIEdgeInsetsMake(0.0, 0.0, kbSize.height - ([UIScreen...
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers

...rigin to *, but it appears that recent versions of Chrome are requiring an extra header. Try prepending the following to your file if you are using PHP: header("Access-Control-Allow-Origin: *"); header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept"); Make sure tha...
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About Java cloneable

... Cloning invokes an extra-linguistic way of constructing objects - without constructors. Cloning requires you to treat somehow with CloneNotSupportedException - or to bother client code for treating it. Benefits are small - you just don't have ...
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When and why I should use session_regenerate_id()?

...hen people come to my site and log in I regenerate the session. It adds an extra layer of security that my newly logged in user is less likely to get hijacked. Any time we add critical data to a session you should consider regenerating the session ID. If you need to harden your application against ...
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Why are C character literals ints instead of chars?

...nerating code to get an 'A' into the register may prefer to waste a little extra memory and encode the value as 0 'A' or 'A' 0 - depending on endianness, and also ensuring it is aligned properly (i.e. not at an odd memory address). My guess is that C's simply carried this level of CPU-centric behav...
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Singleton by Jon Skeet clarification

... Extra points for attempting an answer about a Jon Skeet question in which Jon Skeet has already answered. – valdetero May 11 '15 at 19:05 ...
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Django in / not in query

... table1.objects.extra(where=["table1.id NOT IN (SELECT table2.key_to_table1 FROM table2 WHERE table2.id = some_parm)"]) share | improve th...
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Class with single method — best approach?

...ery cheap operation in most languages, so speed is not an issue. Adding an extra line of code to the consumer is a low cost for laying the foundation of a much more maintainable solution in the future. And finally, if you want to avoid creating instances, simply create a singleton wrapper of your cl...