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“render :nothing => true” returns empty plaintext file?
...he preferred solution for that too (but obviously the OP is on a Rails 2.3 app so the chosen answer was appropriate).
– Asfand Qazi
Sep 17 '14 at 18:06
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Map.clear() vs new Map : Which one will be better? [duplicate]
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Complicated question. Let's see what happens.
You instantiate a new instance, which is backed with new array. So, garbage collector should clear all the key and values from the previous map, and clear the reference to itself. So O(n) algorithm is executed anyway...
Preferred Java way to ping an HTTP URL for availability
...e request method. However, you need to take into account that some poor webapps or homegrown servers may return HTTP 405 error for a HEAD (i.e. not available, not implemented, not allowed) while a GET works perfectly fine. Using GET is more reliable in case you intend to verify links/resources not d...
Failed to load c++ bson extension
A total node noob here. I've been trying to set up a sample node app but the following error keeps popping up every time I try to run:
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What does the NS prefix mean?
...e for the Cocoa frameworks came from the NeXTSTEP libraries Foundation and AppKit (those names are still used by Apple's Cocoa frameworks), and the NextStep engineers chose to prefix their symbols with NS.
Because Objective-C is an extension of C and thus doesn't have namespaces like in C++, symbol...
Should I compile with /MD or /MT?
...aries that have been built with different runtime options, /MT in the main application tends to cause conflicts much more often than /MD (because you'll run into trouble if the C runtime is statically-linked multiple times, especially if they are different versions).
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Android RelativeLayout programmatically Set “centerInParent”
...Params.addRule(RelativeLayout.CENTER_IN_PARENT, -1); in my situation. Your app may require a different value in the "anchor" field.
– Ben Mc
Jul 29 '11 at 21:51
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Core Data vs SQLite 3 [closed]
...ure, so I am considering spending some time to learn it for use in my next application.
4 Answers
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Extension methods must be defined in a non-generic static class
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If you have placed the class in App_Code then it is bound to have the static keyword in the class definition, but if you place it in any other folder then its fine to use it as normal class.
– D.T.
Sep 9 '14 at 6:58
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How to change Status Bar text color in iOS
My application has a dark background, but in iOS 7 the status bar became transparent. So I can't see anything there, only the green battery indicator in the corner. How can I change the status bar text color to white like it is on the home screen?
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