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How do I change my Ruby version using RVM?
...ed to me too. I had:
export PATH=~/.rvm/bin:$PATH
Added in my .bashrc.
All I had to do was add another
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"
to the same file and it worked!
Of course, you have to restart your terminal after that.
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How can I reconcile detached HEAD with master/origin?
... Git. I always work on a single branch and commit changes and then periodically push to my remote origin.
26 Answers
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Are Java static calls more or less expensive than non-static calls?
...e any difference. Hotspot may choose to optimize in ways that make static calls faster for one method, non-static calls faster for another.
Third: much of the mythos surrounding static versus non-static are based either on very old JVMs (which did not do anywhere near the optimization that Hotspot ...
Showing a Spring transaction in log
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INFO level won't show any tx activity at all, it would be too verbose. DEBUG will be necessary there.
– skaffman
Dec 27 '09 at 11:03
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Why is inserting in the middle of a linked list O(1)?
...Operations on Linked Lists are often done in such a way that they aren't really treated as a generic "list", but as a collection of nodes--think of the node itself as the iterator for your main loop. So as you're poking through the list you notice as part of your business logic that a new node need...
How to check the extension of a filename in a bash script?
...hat the right-hand side of == or != is expanded as a shell pattern. Personally I think this is clearer than my answer.
– Paul Stephenson
Jun 11 '09 at 8:12
20
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How to set margin of ImageView using code, not xml
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All the above examples will actually REPLACE any params already present for the View, which may not be desired. The below code will just extend the existing params, without replacing them:
ImageView myImage = (ImageView) fin...
Java Can't connect to X11 window server using 'localhost:10.0' as the value of the DISPLAY variable
... well sometime - it won't work on linux then its good to install Xvfb with apt and run it on any screen like: Xvfb :1 and then set variable in build phase -- export DISPLAY=:1 --> this perfectly works.
– Pankaj Kumar Katiyar
Sep 22 '18 at 3:39
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Xcode iOS 8 Keyboard types not supported
...e problem which is how I found yours. It was caused by my text box being smaller then default. It IS possible though. Check the developer forums!
– Erik Bean
Jul 22 '14 at 18:02
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HttpWebRequest using Basic authentication
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Aaaargh! 1: Thanks, mate. 2. I'd really like to understand why the other methods, setting the authentication method in the CredentialCache, wouldn't work at all. They are supposed to, aren't they?
– mshthn
Jul 28 '17 at 1...