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Git commits are duplicated in the same branch after doing a rebase

I understand the scenario presented in Pro Git about The Perils of Rebasing . The author basically tells you how to avoid duplicated commits: ...
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Split column at delimiter in data frame [duplicate]

... rename it appropriately (the rename function from the reshape package is handy for doing this on the fly) and then rbind it with the existing data frame -- extra effort to get it inserted in place of the previous single column rather than as the first or last columns ... – Ben...
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INNER JOIN vs LEFT JOIN performance in SQL Server

I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
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Is there a Max function in SQL Server that takes two values like Math.Max in .NET?

...f @val1 > @val2 return @val1 return isnull(@val2,@val1) end ... and you would call it like so ... SELECT o.OrderId, dbo.InlineMax(o.NegotiatedPrice, o.SuggestedPrice) FROM Order o share | ...
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What exactly are “spin-locks”?

...ritical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again. Besides, kernel ob...
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Is there a way to keep Hudson / Jenkins configuration files in source control?

I am new to Hudson / Jenkins and was wondering if there is a way to check in Hudson's configuration files to source control. ...
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Android ListView Divider

...why you should use 1px instead of 1dp or 1dip: if you specify 1dp or 1dip, Android will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy For dividers, 1px is the...
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Multiple HttpPost method in Web API controller

...fine the following routes in WebApiConfig file. // Controller Only // To handle routes like `/api/VTRouting` config.Routes.MapHttpRoute( name: "ControllerOnly", routeTemplate: "api/{controller}" ); // Controller with ID // To handle routes like `/api/VTRouting/1` config.Rou...
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How to revert initial git commit?

I commit to a git repository for the first time; I then regret the commit and want to revert it. I try 9 Answers ...
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How to add an Access-Control-Allow-Origin header

I am designing a website (e.g. mywebsite.com) and this site loads font-face fonts from another site (say anothersite.com). I was having problems with the font face font loading in Firefox and I read on this blog : ...