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Define all functions in one .R file, call them from another .R file. How, if possible?
How do I call functions defined in abc.R file in another file, say xyz.R?
1 Answer
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Create a submodule repository from a folder and keep its git commit history
...ommit it
git filter-branch --subdirectory-filter <directory 1> -- --all
You should now have a git repository with the files from directory 1 in your repo's root with all related commit history.
Step 4
Create your online repository and push your new repository!
git remote add origin <...
How do I determine the dependencies of a .NET application?
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Dependency walker works on normal win32 binaries. All .NET dll's and exe's have a small stub header part which makes them look like normal binaries, but all it basically says is "load the CLR" - so that's all that dependency walker will tell you.
To see which things your .N...
Has anyone used Coffeescript for a production application? [closed]
...se CoffeeScript in our product - a non-public facing website which is basically an app for browsing certain kinds of data.
We use CoffeeScript as a command-line compiler (not on the server, which we'd eventually like to do).
PROS (for us):
It gets rid of a lot of needless clutter in javascript (e...
Do sessions really violate RESTfulness?
Is using sessions in a RESTful API really violating RESTfulness? I have seen many opinions going either direction, but I'm not convinced that sessions are RESTless . From my point of view:
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Check if multiple strings exist in another string
..., "milk"]
if any(x in a_string for x in matches):
Similarly to check if all the strings from the list are found, use all instead of any.
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Reference alias (calculated in SELECT) in WHERE clause
...probably consider a computed column (and perhaps persisted) instead, especially if a lot of queries refer to this same expression.
PS your fears seem unfounded. In this simple example at least, SQL Server is smart enough to only perform the calculation once, even though you've referenced it twice. ...
How to get the IP address of the server on which my C# application is running on?
...I doubt the performance impact will ever matter, but I like to stress generally good coding habits)
– Eric J.
Apr 26 '11 at 15:53
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How do I run only specific tests in Rspec?
...onfiguration option treat_symbols_as_metadata_keys_with_true_values, which allows you to do:
describe "Awesome feature", :awesome do
where :awesome is treated as if it were :awesome => true.
Also see this answer for how to configure RSpec to automatically run 'focused' tests. This works especi...
How to discard local commits in Git?
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git reset --hard origin/master
will remove all commits not in origin/master where origin is the repo name and master is the name of the branch.
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