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Convert unix time to readable date in pandas dataframe

...12.15 3 1349979305 12.19 4 1350065705 12.15 In [25]: df['date'] = pd.to_datetime(df['date'],unit='s') In [26]: df.head() Out[26]: date price 0 2012-10-08 18:15:05 12.08 1 2012-10-09 18:15:05 12.35 2 2012-10-10 18:15:05 12.15 3 2012-10-11 18:15:05 12.19 4 2012-10-12 18:15:...
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Undoing a 'git push'

... highly dangerous if you are working in a shared repo. As a best practice, all commits pushed to a remote repo that is shared should be considered 'immutable'. Use 'git revert' instead: kernel.org/pub/software/scm/git/docs/… – Saboosh Jan 13 '12 at 20:47 ...
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Can gcc output C code after preprocessing?

...tenate lines, choke on special characters, etc.) Asuming you have gcc installed, the command line is: gcc -E -x c -P -C -traditional-cpp code_before.cpp > code_after.cpp (Doesn't have to be 'cpp'.) There's an excellent description of this usage at http://www.cs.tut.fi/~jkorpela/html/cpre.htm...
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Select columns from result set of stored procedure

... Here's a link to a pretty good document explaining all the different ways to solve your problem (although a lot of them can't be used since you can't modify the existing stored procedure.) How to Share Data Between Stored Procedures Gulzar's answer will work (it is document...
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iphone Core Data Unresolved error while saving

...conflict with the old model implementation. Edit: I almost forgot here's all the error codes that Core Data spits out: Core Data Constants Reference I had trouble with this before and I realised I unchecked the correct optional box. Such trouble finding out the problem. Good luck. ...
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Make a Bash alias that takes a parameter?

...reate a function. alias does not accept parameters but a function can be called just like an alias. For example: myfunction() { #do things with parameters like $1 such as mv "$1" "$1.bak" cp "$2" "$1" } myfunction old.conf new.conf #calls `myfunction` By the way, Bash functions def...
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What is the best way to find the users home directory in Java?

... variants. I am looking for a snippet of code that can accomplish this for all platforms, and a way to detect the platform. ...
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What is the meaning of the /dist directory in open source projects?

Since I first saw a dist/ directory in many open source projects, usually on GitHub, I've been wondering what it means. 4...
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Why would finding a type's initializer throw a NullReferenceException?

....cs: (196c.1874): Access violation - code c0000005 (first chance) mscorlib_ni!System.RuntimeType.GetConstructorImpl(System.Reflection.BindingFlags, System.Reflection.Binder, System.Reflection.CallingConventions, System.Type[], System.Reflection.ParameterModifier[])+0xa3: 000007fe`e5735403 488b4608 ...
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Unable to locate tools.jar

... Add JAVA_HOME and the /bin directory to your path. You realize that this answer is two years old, right? – duffymo Jul 23 '13 at 12:52 ...