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how do you filter pandas dataframes by multiple columns
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176
Using & operator, don't forget to wrap the sub-statements with ():
males = df[(df[Gender]...
How to change ViewPager's page?
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answered Sep 16 '11 at 14:40
Mark AllisonMark Allison
21.2k88 gold badges4242 silver badges4545 bronze badges
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Check if passed argument is file or directory in Bash
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216
That should work. I am not sure why it's failing. You're quoting your variables properly. What ...
Git diff to show only lines that have been modified
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188
What you want is a diff with 0 lines of context. You can generate this with:
git diff --unifi...
Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
...ext.
#element {
position: relative; /* optional */
width: 100px;
height: 100px;
background-color: blue;
}
#element::after {
content: "";
width: 150px;
height: 150px;
background-color: red;
/* create a new stacking context */
position: ab...
What is a lambda expression in C++11?
What is a lambda expression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction?
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How do I split a string with multiple separators in javascript?
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731
Pass in a regexp as the parameter:
js> "Hello awesome, world!".split(/[\s,]+/)
Hello,awesome...
How do I add 24 hours to a unix timestamp in php?
...ours due to (among other circumstances) daylight saving time:
strtotime('+1 day', $timestamp);
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How to elegantly check if a number is within a range?
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157
There are a lot of options:
int x = 30;
if (Enumerable.Range(1,100).Contains(x))
//true
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Is there a wikipedia API just for retrieve content summary?
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