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How to get last N records with activerecord?
...uld get you what you want ('Something' is the model name):
Something.find(:all, :order => "id desc", :limit => 5).reverse
edit: As noted in the comments, another way:
result = Something.find(:all, :order => "id desc", :limit => 5)
while !result.empty?
puts result.pop
end
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How to unstage large number of files without deleting the content
I accidentally added a lot of temporary files using git add -A
9 Answers
9
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Xcode 4 hangs at “Attaching to (app name)”
...n in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either.
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How do I see all foreign keys to a table or column?
In MySQL, how do I get a list of all foreign key constraints pointing to a particular table? a particular column? This is the same thing as this Oracle question , but for MySQL.
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How do I tell git-svn about a remote branch created after I fetched the repo?
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You can manually add the remote branch,
git config --add svn-remote.newbranch.url https://svn/path_to_newbranch/
git config --add svn-remote.newbranch.fetch :refs/remotes/newbranch
git svn fetch newbranch [-r<rev>]
git checkout -b...
How do you remove all the options of a select box and then add one option and select it with jQuery?
Using core jQuery, how do you remove all the options of a select box, then add one option and select it?
24 Answers
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How to clone an InputStream?
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If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associate...
visual studio not remembering open documents & startup project
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I believe this information all lives in your .suo file and/or .user file. If they've become corrupt, VS will struggle, so it'll revert to the default.
Maybe try exiting VS, deleting the .suo and/or .user files, start VS and set it up how you want, res...
Running shell command and capturing the output
...True at the end of this answer.
The check_output function works on almost all versions of Python still in wide use (2.7+).2 But for more recent versions, it is no longer the recommended approach.
Modern versions of Python (3.5 or higher): run
If you're using Python 3.5 or higher, and do not need ...
What is the difference between “git init” and “git init --bare”?
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This variant creates a repository with a working directory so you can actually work (git clone). After creating it you will see that the directory contains a .git folder where the history and all the git plumbing goes. You work at the level where the .git folder is.
Bare Git Repo
The other varian...