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How do I clone a subdirectory only of a Git repository?
...upvoting that answer.
Note: in Git 2.19, only client-side support is implemented, server-side support is still missing, so it only works when cloning local repositories. Also note that large Git hosters, e.g. GitHub, don't actually use the Git server, they use their own implementation, so even if s...
Get nodes where child node contains an attribute
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Try
//book[title/@lang = 'it']
This reads:
get all book elements
that have at least one title
which has an attribute lang
with a value of "it"
You may find this helpful — it's an article entitled "XPath in Five Paragraphs" by Ronald Bourret.
But in all honesty, //book[t...
Can an AJAX response set a cookie?
...ot, what is my alternative solution? Should I set it with Javascript or something similar?
4 Answers
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Finding all cycles in a directed graph
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I found this page in my search and since cycles are not same as strongly connected components, I kept on searching and finally, I found an efficient algorithm which lists all (elementary) cycles of a directed graph. It is from Donald B. Johnson and the paper can be found in the foll...
Rails migration: t.references with alternative name?
...ferable_as, index: true, foreign_key: {to_table: :courses}
t.references :same_as, index: true, foreign_key: {to_table: :courses}
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Install Gem from Github Branch?
...tem.
After Bundler 2.0, you can get around the above issue with this statement near the top of the Gemfile:
git_source(:github) { |repo| "https://github.com/#{repo}.git" }
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Should I use a class or dictionary?
I have a class that contains only fields and no methods, like this:
9 Answers
9
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Combine --user with --prefix error with setup.py install
...s directory , and the new option --user . (The option is currently undocumented , however it exists for Python 2.6+; you can see the help by running python setup.py install --help .)
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Faye vs. Socket.IO (and Juggernaut)
...uthor of Faye.
Regarding Faye, everything you've said is true.
Faye implements most of Bayeux, the only thing missing right now is service channels, which I've yet to be convinced of the usefulness of. In particular Faye is designed to be compatible with the CometD reference implementation of Baye...
How do SQL EXISTS statements work?
I'm trying to learn SQL and am having a hard time understanding EXISTS statements. I came across this quote about "exists" and don't understand something:
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