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How to change a command line argument in Bash?
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Basically you set all arguments to their current values, except for the one(s) that you want to change. set -- is also specified by POSIX 7.
The "${@:1:2}" notation is expanded to the two (hence the 2 in the notation) positional arguments starting from offset 1 (i.e. $1). It is a shorthand for "...
What are good uses for Python3's “Function Annotations”
...ll never come), the main uses of Python's function annotations will be the one-off uses described in the other answers. For the time being, you can forget about smart static analyzers, compiler assurances, java-based tool chains, etc.
– Raymond Hettinger
Jan 2...
Create a menu Bar in WPF?
I want to create a menu bar identical to the one in windows forms in my WPF application.
4 Answers
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Passing a list of kwargs?
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The ** unpacking operator can be used to pass kwargs from one function to another function's kwargs. Consider this code: (newlines don't seem to be allowed in comments) def a(**kw): print(kw), and def b(**kw): a(kw). This code will generate an error because kwargs is actually a dict...
Label encoding across multiple columns in scikit-learn
...oid creating a LabelEncoder object for each column; I'd rather just have one big LabelEncoder objects that works across all my columns of data.
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How/When does Execute Shell mark a build as failure in Jenkins?
The horror stories I found while searching for an answer for this one...
6 Answers
6
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Position icons into circle
...we decide on a size for the images, let's say 8em. The --m items are positioned on a circle and it's if they're in the middle of the edges of a polygon of --m edges, all of which are tangent to the circle.
If you have a hard time picturing that, you can play with this interactive demo which construc...
Convert Unicode to ASCII without errors in Python
...for the actual encoding of the returned string from read(). It's either in one of the Meta tags or in the ContentType header in the response. Use that then as the parameter for .decode().
Do note however that it should not be assumed that other developers are responsible enough to make sure the hea...
How to check whether an array is empty using PHP?
...pty.
}
If you need to clean out empty values before checking (generally done to prevent explodeing weird strings):
foreach ($playerlist as $key => $value) {
if (empty($value)) {
unset($playerlist[$key]);
}
}
if (empty($playerlist)) {
//empty array
}
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Is there are way to make a child DIV's width wider than the parent DIV using CSS?
...ng for thank you very mutch. IMO this is a better answer than the accepted one since this one doesn't break document flow
– Rémi
Dec 14 '14 at 15:11
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