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How to fix “containing working copy admin area is missing” in SVN?

I deleted manually a directory I just added, offline, in my repository. I can't restore the directory. 21 Answers ...
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ASP.NET MVC JsonResult Date Format

...answer. The JSON spec does not account for Date values. MS had to make a call, and the path they chose was to exploit a little trick in the javascript representation of strings: the string literal "/" is the same as "\/", and a string literal will never get serialized to "\/" (even "\/" must be map...
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Validating IPv4 addresses with regexp

...so it ends with a word boundary rather than with the end of line? Additionally here I've marked the non-capturing groups to avoid unwanted sub-matches. NB: This still doesn't take into account @dty's comment as I'm not familiar with that form of IP; though he's correct that it seems valid. ...
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How to remove part of a string? [closed]

... If you're specifically targetting "11223344", then use str_replace: // str_replace($search, $replace, $subject) echo str_replace("11223344", "","REGISTER 11223344 here"); ...
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack

...s paired with a case of a regular single ellipsis. template<typename _Res, typename... _ArgTypes> struct _Weak_result_type_impl<_Res(_ArgTypes...)> { typedef _Res result_type; }; template<typename _Res, typename... _ArgTypes> struct _Weak_result_type_impl<_Res(...
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cleanest way to skip a foreach if array is empty [duplicate]

...t need: foreach ((array) $items as $item) { print $item; } Note: to all the people complaining about typecast, please note that the OP asked cleanest way to skip a foreach if array is empty (emphasis is mine). A value of true, false, numbers or strings is not considered empty. In addition, th...
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Can I call memcpy() and memmove() with “number of bytes” set to zero?

... the length of the array for a function, n can have the value zero on a call to that function. Unless explicitly stated otherwise in the description of a particular function in this subclause, pointer arguments on such a call shall still have valid values, as described in 7.1.4. On such a call...
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To ARC or not to ARC? What are the pros and cons? [closed]

...t has no GC runtime overhead. The compiler inserts retains and releases in all the places you should have anyway. But it's smarter than you and can optimize out the ones that aren't actually needed (just like it can unroll loops, eliminate temporary variables, inline functions, etc.) OK, now I will...
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Select multiple records based on list of Id's with linq

I have a list containing Id's of my UserProfile table. How can i select all UserProfiles based on the list of Id's i got in a var using LINQ ? ...
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How do I Sort a Multidimensional Array in PHP [duplicate]

...e' column in each record (or row). So you construct the $dates array (basically the same array, but with only that column), and tell the array_multisort function to sort $mdarray based on that particular column's values. – Dan Burton May 19 '10 at 18:26 ...