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Deleting rows with MySQL LEFT JOIN

...ed May 4 '10 at 6:26 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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Method can be made static, but should it?

...nce members of the C# Language Specification explains the difference. Generally, static methods can provide a very small performance enhancement over instance methods, but only in somewhat extreme situations (see this answer for some more details on that). Rule CA1822 in FxCop or Code Analysis stat...
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Make the current Git branch a master branch

...to the "recursive" strategy (bring in other branch's changes, and automatically prefer current branch's changes when there's a conflict). – Kelvin Apr 11 '14 at 20:17 ...
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android fragment- How to save states of views in a fragment when another fragment is pushed on top o

... Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it. ...
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Easiest way to check for an index or a key in an array?

... associative array) [ ${array[key]+abc} ] && echo "exists" Basically what ${array[key]+abc} does is if array[key] is set, return abc if array[key] is not set, return nothing References: See Parameter Expansion in Bash manual and the little note if the colon is omitted, the ope...
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Zero-pad digits in string

... First of all, your description is misleading. Double is a floating point data type. You presumably want to pad your digits with leading zeros in a string. The following code does that: $s = sprintf('%02d', $digit); For more informa...
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Gesture recognizer and button actions

...nizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch { // Disallow recognition of tap gestures in the segmented control. if ((touch.view == yourButton)) {//change it to your condition return NO; } return YES; } hope it will help Edit As Daniel noted you must con...
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How to call a stored procedure from Java and JPA

I am writing a simple web application to call a stored procedure and retrieve some data. Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details. ...
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Backwards migration with Django South

Ok, so this seems like a really silly thing to ask, and I'm sure I'm missing something somewhere. 3 Answers ...
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SQL Server - When to use Clustered vs non-Clustered Index?

...stered and non clustered indexes and have an understanding of how they actually work. I understand how clustered and non-clustered indexes improve read performance. But one thing I am not sure is that what would be the reasons where I would choose one over the other. ...