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Why does my application spend 24% of its life doing a null check?

I've got a performance critical binary decision tree, and I'd like to focus this question on a single line of code. The code for the binary tree iterator is below with the results from running performance analysis against it. ...
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Growing Amazon EBS Volume sizes [closed]

I'm quite impressed with Amazon's EC2 and EBS services. I wanted to know if it is possible to grow an EBS Volume. 11 Answer...
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Can't connect to localhost on SQL Server Express 2012 / 2016

...press 2012 but I cannot connect to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecting to localhost. It seems that it can't even f...
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How to Join to first row

... WHERE OrderID = Orders.OrderID ) In SQL Server 2005 and above, you could just replace INNER JOIN with CROSS APPLY: SELECT Orders.OrderNumber, LineItems2.Quantity, LineItems2.Description FROM Orders CROSS APPLY ( SELECT TOP 1 LineItems.Quantity, LineItems....
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Focus-follows-mouse (plus auto-raise) on Mac OS X

... You can do it for Terminal.app by issuing the following command at the command line: defaults write com.apple.Terminal FocusFollowsMouse -bool true For X11 apps you can do this: defaults write com.apple.x11 wm_ffm -bool true In Snow Leopard, use this instead: defaults write org...
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Center/Set Zoom of Map to cover all visible Markers?

I am setting multiple markers on my map and I can set statically the zoom levels and the center but what I want is, to cover all the markers and zoom as much as possible having all markets visible ...
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Change Bootstrap input focus blue glow

..., 0.075), 0 0 8px rgba(255, 0, 0, 0.6); } Put it in your custom css file and load it after bootstrap.css. It will apply to all inputs including textarea, select etc... share | improve this answer ...
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Android Task Affinity Explanation

...y used for? I have gone through the documentation but I couldn't understand much. 3 Answers ...
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When NOT to use Cassandra?

There has been a lot of talk related to Cassandra lately. 18 Answers 18 ...
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Take the content of a list and append it to another list

I am trying to understand if it makes sense to take the content of a list and append it to another list. 7 Answers ...