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How to get a one-dimensional scalar array as a doctrine dql query result?

...as callback, instead of writing a closure. $result = $em->createQuery("SELECT a.id FROM Auction a")->getScalarResult(); $ids = array_map('current', $result); See Petr Sobotka's answer below for additional info regarding memory usage. PHP >= 5.5 As jcbwlkr's answered below, the rec...
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Favourite performance tuning tricks [closed]

...n-optimal query plan Break up the Join Can you break up the join? Pre-select foreign keys into a temporary table Do half the join and put results in a temporary table Are you using the right kind of temporary table? #temp tables may perform much better than @table variables with large volum...
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git visual diff between branches

...rst click on the tip of branch1. Now right-click on the tip of branch2 and select Diff this->selected. share | improve this answer | follow | ...
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iOS 7 - Failing to instantiate default view controller

...ard, click anywhere in the white area and press command-a, then command-c (select all and copy) Open your new storyboard and press command-v to paste the same exact setup Go to your project settings, change your "Main Interface" to the new Main_iPhoneV2 (If it's your iPad and you're writing a univer...
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AngularJS - Binding radio buttons to models with boolean values

...t when I use your solution and change the radio buttons all that were once selected are true and they don't switch back to false. Is there a solution for this? (problem also exists in OP's Fiddle) – Dominik G Apr 16 '15 at 10:05 ...
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jquery if div id has children

... If you add a selector to children, you can also check if an element has children that match a particular selector, like if you want to see if an element has a child of a particular class. – Muhd May ...
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Using .text() to retrieve only text not nested in child tags

...eference: $("#foo") .clone() //clone the element .children() //select all the children .remove() //remove all the children .end() //again go back to selected element .text(); share | ...
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Is there a better Windows Console Window? [closed]

... the system, or copied to a folder of the program (ttf, otf, fon, bdf) Run selected tabs as Administrator (Vista+) or as selected user Windows 7 Jump lists and Progress on taskbar Integration with DosBox (useful in 64bit systems to run DOS applications) Smooth resize, maximized and fullscreen window...
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How would you do a “not in” query with LINQ?

...from c in dc.Customers where !(from o in dc.Orders select o.CustomerID) .Contains(c.CustomerID) select c; foreach (var c in query) Console.WriteLine( c ); from The NOT IN clause in LINQ to SQL by Marco Russo ...
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Python Pandas merge only certain columns

... You can use .loc to select the specific columns with all rows and then pull that. An example is below: pandas.merge(dataframe1, dataframe2.iloc[:, [0:5]], how='left', on='key') In this example, you are merging dataframe1 and dataframe2. You h...