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What do ellipsis […] mean in a list?
...t's not really infinite. And no, it's not really useful besides a thought experiment :)
– Óscar López
Jun 18 '13 at 3:44
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Favicon dimensions? [duplicate]
I have a favicon with the dimensions of height=26px / width=20px named favicon.png
10 Answers
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What is recursion and when should I use it?
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
...ewer surprises and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do
[[ -e $b ]]
to test whether a file exists. But with [, you have to quote $b, because it sp...
How to test if list element exists?
I would like to test if an element of a list exists, here is an example
7 Answers
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Java: random long number in 0
Random class has a method to generate random int in a given range. For example:
16 Answers
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Is there a way to get the XPath in Google Chrome?
I have a webpage I want to use with YQL. But I need the XPath of a specific item. I can see it in the debug tools area for Google Chrome but I don't see a way to copy that XPath.
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How to get a pixel's x,y coordinate color from an image?
Is there any way to check if a selected(x,y) point of a PNG image is transparent?
4 Answers
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How can I get this ASP.NET MVC SelectList to work?
...m
{
Selected = (c.CustomerID == invoice.CustomerID),
Text = c.Name,
Value = c.CustomerID.ToString()
};
At second glance I'm not sure I know what you are after...
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How can I make pandas dataframe column headers all lowercase?
...e this:
data.columns = map(str.lower, data.columns)
or
data.columns = [x.lower() for x in data.columns]
example:
>>> data = pd.DataFrame({'A':range(3), 'B':range(3,0,-1), 'C':list('abc')})
>>> data
A B C
0 0 3 a
1 1 2 b
2 2 1 c
>>> data.columns = map(s...