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Is there a portable way to get the current username in Python?
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That does not work if you've done a su. $ echo $USER hithwen $ su julia Password: $ echo $USER julia $ python >>> import getpass >>> getpass.getuser() 'hithwen'
– hithwen
Jan 23 '13 at 9:...
How do I make Git use the editor of my choice for commits?
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If you want to set the editor only for Git, do either (you don’t need both):
Set core.editor in your Git config: git config --global core.editor "vim"
Set the GIT_EDITOR environment variable: export GIT_EDITOR=vim
If ...
jQuery posting valid json in request body
...JSON in the body. Unfortunately I'm having a hard time determining first, if this is happening and 2nd what the object looks like that is being sent to the server. All I know is that the server is not parsing what I'm sending.
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Python-equivalent of short-form “if” in C++ [duplicate]
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a = '123' if b else '456'
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How to initialize a dict with keys from a list and empty value in Python?
...s (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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H2 in-memory database. Table not found
...hbm2ddl closes the connection after creating the table, so h2 discards it.
If you have your connection-url configured like this
jdbc:h2:mem:test
the content of the database is lost at the moment the last connection is closed.
If you want to keep your content you have to configure the url like this
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URLWithString: returns nil
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breaks if the URL has a # in it. stringByAddingPercentEscapesUsingEncoding converts # to %2
– Ali Saeed
Mar 2 '16 at 21:21
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Zero-pad digits in string
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@KonradRudolph If i have pass as digit value as integer that time given error, If pass as string that time not problem
– Hiren Bhut
Feb 1 '18 at 11:45
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iOS 7 UIBarButton back button arrow color
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To change the back button chevron color for a specific navigation controller*:
self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
*If you are using an app with more than 1 navigation controller, and you want this chevron color to apply to each, you ...
Why is Scala's immutable Set not covariant in its type?
...the concept behind sets as functions. The following signatures should clarify things slightly:
trait Set[A] extends (A=>Boolean) {
def apply(e: A): Boolean
}
If Set were covariant in A, the apply method would be unable to take a parameter of type A due to the contravariance of functions. S...