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How to ignore certain files in Git
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The problem is that .gitignore ignores just files that weren't tracked before (by git add). Run git reset name_of_file to unstage the file and keep it. In case you want to also remove the given file from the repository (after pushing), use git rm --cached name_of_file.
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Can't find the 'libpq-fe.h header when trying to install pg gem
I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
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What is a StackOverflowError?
What is a StackOverflowError , what causes it, and how should I deal with them?
15 Answers
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Using Sinatra for larger projects via multiple files
... when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is received then another action - similar logic that is applied in PHP?
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How to define multiple CSS attributes in jQuery?
...ne multiple CSS attributes without stringing everything out to the right like this:
14 Answers
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Finding out the name of the original repository you cloned from in Git
...ion about remote repositories and branches. In your example, you should look for something like:
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = server:gitRepo.git
Also, the Git command git remote -v shows the remote repository name and URL. The "origin" remote reposit...
Remove by _id in MongoDB console
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Very close. This will work:
db.test_users.deleteOne( {"_id": ObjectId("4d512b45cc9374271b02ec4f")});
i.e. you don't need a new for the ObjectId.
Also, note that in some drivers/tools, remove() is now deprecated and deleteOne or deleteMany should ...
Remove all elements contained in another array
I am looking for an efficient way to remove all elements from a javascript array if they are present in another array.
14 A...
Getting Git to work with a proxy server - fails with “Request timed out”
...8080 to the proxy port configured on your proxy server
Note that this works for both http and https repos.
If you decide at any time to reset this proxy and work without proxy:
Command to use:
git config --global --unset http.proxy
Finally, to check the currently set proxy:
git config --glob...
Possible reasons for timeout when trying to access EC2 instance
...be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst
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