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How to click first link in list of items after upgrading to Capybara 2.0?
...al .item's so it raises an exception. I consider this behavior of Capybara 2 very good.
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Add to Array jQuery
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For JavaScript arrays, you use push().
var a = [];
a.push(12);
a.push(32);
For jQuery objects, there's add().
$('div.test').add('p.blue');
Note that while push() modifies the original array in-place, add() returns a new jQuery object, it does not modify the original one.
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Getting individual colors from a color map in matplotlib
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226
You can do this with the code below, and the code in your question was actually very close to ...
To find whether a column exists in data frame or not
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202
Assuming that the name of your data frame is dat and that your column name to check is "d", yo...
How to merge 2 List and removing duplicate values from it in C#
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295
Have you had a look at Enumerable.Union
This method excludes duplicates from the return set. ...
deleting rows in numpy array
...numpy.delete method.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To delete the third column, do this:
x = numpy.delete(x,(2), axis=1)
So you could find the indices of the row...
How can I create a correlation matrix in R?
I have 92 set of data of same type.
5 Answers
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Uninstall old versions of Ruby gems
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edited Dec 28 '13 at 23:39
Steven Penny
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Python's “in” set operator
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answered Jan 2 '12 at 21:14
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Regex to match a digit two or four times
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2 Answers
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