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How to change the order of DataFrame columns?

... with a list of the columns, rearranged as needed. This is what you have now: In [6]: df Out[6]: 0 1 2 3 4 mean 0 0.445598 0.173835 0.343415 0.682252 0.582616 0.445543 1 0.881592 0.696942 0.702232 0.696724 0.373551 0.670208 2 0.662527 ...
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javac : command not found

... I don't know exactly what yum install java will actually install. But to check for javac existence do: > updatedb > locate javac preferably as root. If it's not there you've probably only installed the Java runtime (JRE) and ...
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Git fetch remote branch

...ess for me, it created a local branch named origin/<branch> which is now ambiguous to the remote branch origin/<branch> and I don't know how to get rid of the crazy local branch! – Alan Moore Jul 9 '15 at 17:00 ...
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How can I get rid of an “unused variable” warning in Xcode?

... mark variable as used is… to use it. BOOL saved = ...; (void)saved; // now used You may be happy with already described compiler-specific extensions, though. share | improve this answer ...
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Why are mutable structs “evil”?

... Developing in C#, you usually need mutability ever now and then - especially with your Business Model, where you want streaming etc. to work smoothly with existing solutions. I wrote an article on how to work with mutable AND immutable data, solving most issues around mutabil...
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What is the difference between #import and #include in Objective-C?

...was already included, as     far as #import is concerned, that file is now already completely included. Bottom line: C/C++ headers traditionally includes parts of other include files. So for C/C++ headers, use #include. For objc/objc++ headers, use #import. ...
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What is a stack trace, and how can I use it to debug my application errors?

...essionImpl.java:689) at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.hibernate.context.ThreadLocalSessionContext$Transact...
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Programmatically scroll a UIScrollView

... flick. Basically my code works in a way similar to the iPhone photo app. Now, is there a way that I can programmatically do the same thing so that I end up with a slideshow that runs on its own with a click of a button and a configurable pause between each scroll? ...
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How To Format A Block of Code Within a Presentation? [closed]

...s work across Visual Studio to other Microsoft products though so I don't know if it will be any help. share | improve this answer | follow | ...
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Eclipse Optimize Imports to Include Static Imports

...yway to get Eclipse to automatically look for static imports? For example, now that I've finally upgraded to Junit 4, I'd like to be able to write: ...