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How can I Remove .DS_Store files from a Git repository?
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Remove existing files from the repository:
find . -nam>me m> .DS_Store -print0 | xargs -0 git rm -f --ignore-unmatch
Add the line
.DS_Store
to the file .gitignore, which can be found at the top level of your repository (or created if it isn't there already). You can do this eas...
When to use a “has_many :through” relation in Rails?
... Group.
If you wanted to have users belong to groups, then you could do som>me m>thing like this:
class Group < ActiveRecord::Base
has_many :users
end
class User < ActiveRecord::Base
belongs_to :group
end
What if you wanted to track additional m>me m>tadata around the association? For example,...
How do you do a ‘Pause’ with PowerShell 2.0?
OK, I'm losing it. PowerShell is annoying m>me m>. I'd like a pause dialog to appear, and it won't.
5 Answers
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What happens to git commits created in a detached HEAD state?
...h. For example, if the SHA-1 is ba5a739, then you can make a new branch nam>me m>d "new-branch" at the old commit with:
git branch new-branch ba5a739
Note that "lost" commits will get deleted when the database is pruned.
shar...
How does zip(*[iter(s)]*n) work in Python?
... a list containing n quantity of x, i.e. a list of length n, where each elem>me m>nt is x. *arg unpacks a sequence into argum>me m>nts for a function call. Therefore you're passing the sam>me m> iterator 3 tim>me m>s to zip(), and it pulls an item from the iterator each tim>me m>.
x = iter([1,2,3,4,5,6,7,8,9])
print zip(x,...
run main class of Maven project [duplicate]
...h Maven. Is there a way that the main class (which doesn't require any argum>me m>nts) can be run from the command-line using a maven command like:
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Opening port 80 EC2 Amazon web services [closed]
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He did m>me m>ntion that he's opened the port in the security group already, but it should be as easy as this...
– aaaidan
Jul 20 '12 at 2:21
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How to make the 'cut' command treat sam>me m> sequental delimiters as one?
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Not sure it is any simpler, but you are going to m>me m>rge, you can forgo cut's -d and translate straight from multiple characters to tab. For example: I cam>me m> here looking for a way to automatically export my display: who am i | tr -s ' ()' '\t' | cut -f5
–...
What is the EAFP principle in Python?
What is m>me m>ant by "using the EAFP principle" in Python? Could you provide any examples?
3 Answers
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Why is whitespace som>me m>tim>me m>s needed around m>me m>tacharacters?
...espaces, because I think it looks nicer without them. But to my dismay, som>me m>tim>me m>s (not always) when I run it in a shell it doesn't start a fork bomb, but it just gives a syntax error.
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