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How to install a gem or update RubyGems if it fails with a permissions error
...ctory comes after your system Ruby bin directory, then edit your ~/.bashrc file and put this as your last export PATH command: export PATH=$HOME/.rbenv/shims:$PATH
$ ruby -v shows you what version of Ruby you are using
This shows that I'm currently using the system version of Ruby (usually not ...
Unit testing void methods?
...nto two methods that can now be independently tested.
string[] ExamineLogFileForX( string sFileName );
void InsertStringsIntoDatabase( string[] );
String[] can be easily verified by providing the first method with a dummy file and expected strings. The second one is slightly tricky.. you can eit...
What's a quick way to comment/uncomment lines in Vim?
I have a Ruby code file open in vi, there are lines commented out with # :
46 Answers
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Conditional import of modules in Python
...a strong guarantee that certain interfaces/features will be there: e.g. a 'file' called /dev/ttyX. In your case: dealing with JSON, there's nothing that is actually OS-specific and you are only checking if the package exists or not. In that case, just try to import it, and fall-back with an except i...
How to copy text to clipboard/pasteboard with Swift
...his may be working fine, but doesn't it happen that the user has images or files in it's copied content ?
– victor
Jan 10 '17 at 17:29
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Take all my changes on the current branch and move them to a new branch in Git
...y in the right position.
Create a new branch: git checkout -b edge
Your files haven't changed. Just git add what needs to and commit as usual.
When you're done committing on edge, switch back to master with git checkout and git merge edge.
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How can I push a specific commit to a remote, and not previous commits?
I have made several commits on different files, but so far I would like to push to my remote repository only a specific commit.
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How to quit scala 2.11.0 REPL?
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Use the end of file characters. Ctrl-D on linux, Ctrl-Z on Windows.
Using the :help command on my 2.10.3 REPL gets me this hint:
:quit exit the interpreter
I don't know whether :quit is still there in 2.11.0 or not though.
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How to test Spring Data repositories?
...ing object instances through the EntityManager or repo, or via a plain SQL file) and then execute the query methods to verify the outcome of them.
Testing custom implementations
Custom implementation parts of the repository are written in a way that they don't have to know about Spring Data JPA. T...
How to convert a string to lower case in Bash?
...rk for me for non-ACII characters. I do have correct locale set and locale files generated. Have any idea what could I be doing wrong?
– Hubert Kario
Jul 12 '12 at 16:56
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