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Pass ruby script file to rails console

Is there a way to pass ruby file, foo.rb to rails console. Expected results would be after console starts rails environment to run file. ...
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Getting number of elements in an iterator in Python

Is there an efficient way to know how many elements are in an iterator in Python, in general, without iterating through each and counting? ...
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Extracting specific columns from a data frame

I have an R data frame with 6 columns, and I want to create a new dataframe that only has three of the columns. 10 Answers ...
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WCF service startup error “This collection already contains an address with scheme http”

I built a web application containing a WCF service contract and a Silverlight control which makes calls to that WCF service. On my development and test servers it works great. ...
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Reset push notification settings for app

I am developing an app with push notifications. To check all possible ways of user interaction, I'd like to test my app when a user declines to have push notifications enabled for my app during the first start. ...
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Postgres - FATAL: database files are incompatible with server

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Mixing C# & VB In The Same Project

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How to get Maven project version to the bash command line

Previous I issued a question on how to change Maven project vesion from command line which lead me to a new issue. 28 Ans...
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Python Requests and persistent sessions

I am using the requests module (version 0.10.0 with Python 2.5). I have figured out how to submit data to a login form on a website and retrieve the session key, but I can't see an obvious way to use this session key in subsequent requests. Can someone fill in the ellipsis in the code below or sug...
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kill -3 to get java thread dump

...ng kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!! ...