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What does Class mean in Java?
...able class, hence you can use the syntax Class<T> where T is a type. By writing Class<?>, you're declaring a Class object which can be of any type (? is a wildcard). The Class type is a type that contains meta-information about a class.
It's always good practice to refer to a generic t...
Is there a way of having git show lines added, lines changed and lines removed?
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The output of git diff --numstat is broken down by file. To see the total added/removed for the diff, you can pipe it to awk: git diff --numstat | awk '{ added += $1; removed += $2 } END { print "+" added " -" removed }'
– hughes
Dec ...
What exactly are late static bindings in PHP?
...identically named members since you can then decide which ones to refer to by using static:: instead.
– DanMan
Mar 13 '18 at 12:54
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How to use git with gnome-keyring integration
...ep credential- and see if you have other helpers installed. Ones that come by default are credential-cache (remember password for some time after you enter it, 15 minutes by default), and credential-store (just store the password in plaintext on an unencrypted file on disk, ~/.git-credentials by def...
External VS2013 build error “error MSB4019: The imported project was not found”
...h a space and not a comma. The config that you suggested to remove is used by other parts of visual studio in your build proces...
– Ralph Jansen
Mar 21 '14 at 10:48
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Understanding Fragment's setRetainInstance(boolean)
...ser leaves the activity?
Just like Activitys, Fragments may be destroyed by the system when memory resources are low. Whether you have your fragments retain their instance state across configuration changes will have no effect on whether or not the system will destroy the Fragments once you leave ...
How do I specify a single test in a file with nosetests?
...docs.io/en/latest/usage.html#selecting-tests. Your failure could be caused by tests not being a module in your setup?
– michaeljoseph
Mar 13 '17 at 10:04
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HTTP status code 0 - Error Domain=NSURLErrorDomain?
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There is no HTTP status code 0. What you see is a 0 returned by the API/library that you are using. You will have to check the documentation for that.
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How to specify the private SSH-key to use when executing shell command on Git?
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Something like this should work (suggested by orip):
ssh-agent bash -c 'ssh-add /somewhere/yourkey; git clone git@github.com:user/project.git'
if you prefer subshells, you could try the following (though it is more fragile):
ssh-agent $(ssh-add /somewhere/yourkey;...
Creating a zero-filled pandas data frame
...s as an existing data frame, you can just multiply the existing data frame by zero:
df_zeros = df * 0
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