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Python Pandas: Get index of rows which column matches certain value
...[i] returns the ith row of df. i does not refer to the index label, i is a 0-based index.
In contrast, the attribute index returns actual index labels, not numeric row-indices:
df.index[df['BoolCol'] == True].tolist()
or equivalently,
df.index[df['BoolCol']].tolist()
You can see the differenc...
Use JSTL forEach loop's varStatus as an ID
...{theCount.index}">
To clarify:
${theCount.index} starts counting at 0 unless you've set the begin attribute
${theCount.count} starts counting at 1
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Exception messages in English?
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answered Oct 16 '08 at 16:11
mdbmdb
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Remove duplicate entries using a Bash script [duplicate]
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You can sort then uniq:
$ sort -u input.txt
Or use awk:
$ awk '!a[$0]++' input.txt
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How to implement a property in an interface
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301
In the interface, you specify the property:
public interface IResourcePolicy
{
string Versi...
LINQ Group By into a Dictionary Object
...is immutable.
– Amit
Nov 12 '14 at 20:15
1
My 2 Cents (just 'cause it kept me struggling for an h...
Java: Best way to iterate through a Collection (here ArrayList)
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104
The first one is useful when you need the index of the element as well. This is basically equiv...
What is .sln.docstates file created by Visual Studio Productivity Power Tools?
Visual Studio Productivity Power Tools Version 10.0.20427.1, updated 10 May 2011, is creating a .sln.docstates file.
1 Answ...
Python Flask Intentional Empty Response
... HTTP server must return something. The HTTP 'empty response' response is 204 No Content:
return ('', 204)
Note that returning a file to the browser is not an empty response, just different from a HTML response.
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
Given a ['0','1','1','2','3','3','3'] array, the result should be ['0','1','2','3'] .
17 Answers
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