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MySQL select with CONCAT condition

... Not sure why the having clause is not garnering more attention. It allows the direct use of the virtual column name. Does the having clause have more overhead? – Paul Mar 18 '14 at 17:11 ...
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stringstream, string, and char* conversion confusion

... @sbi: Ok, thanks, that is more clear. Strictly speaking, though, since the 'string str' var is not modified in the code above, the str.c_str() remains perfectly valid, but I appreciate the potential danger in other cases. – Willi...
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LEN function not including trailing spaces in SQL Server

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How do I use raw_input in Python 3

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MySQL join with where clause

...and, if I want to produce a clean data for users the second (where) way is more appropriate. Is it correct ? – vlr May 13 '16 at 23:10 1 ...
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Simple Vim commands you wish you'd known earlier [closed]

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Why are two different concepts both called “heap”?

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Using the Android Application class to persist data

...an tell, any orientation change in the application (in the activity, to be more precise) causes a complete destruction and recreation of the activity. Based on my findings, the Application class does not have the same life-cycle (i.e. it is, for all intents and purposes, always instantiated). Does...
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How to set timer in android?

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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)

...ons of the author and simplified the injection of 'SecurityContextHolder'. More details are in the comments. This is the solution I've ended up going with. Instead of using SecurityContextHolder in my controller, I want to inject something which uses SecurityContextHolder under the hood but abst...