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Best way to extract a subvector from a vector?
...egRogers: It doesn't make sense to use the big-O notation where N is a specific number. Big-O communicates the rate of growth with respect to how N changes. Johann: It's best not to use one variable name in two ways. We'd normally say either O(Y-X), or we'd say O(Z) where Z=Y-X.
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How to create a checkbox with a clickable label?
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If someone can explain the comment @John left please do, because it makes no sense at all to me.
– Wesley Murch
Jul 30 '15 at 13:45
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How do I remove background-image in css?
... W3C Recommendation on CSS 3 Selectors > Calculating a selector's specificity w3.org/TR/css3-selectors/#specificity
– TarranJones
May 9 '16 at 13:01
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How can I reorder a list? [closed]
If I have a list [a,b,c,d,e] how can I reorder the items in an arbitrary manner like [d,c,a,b,e] ?
12 Answers
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Unique combination of all elements from two (or more) vectors
...trying to create a unique combination of all elements from two vectors of different size in R.
5 Answers
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How do you extract a column from a multi-dimensional array?
...ensional arrays. Normal Python lists are single-dimensional too.
However, if you have a simple two-dimensional list like this:
A = [[1,2,3,4],
[5,6,7,8]]
then you can extract a column like this:
def column(matrix, i):
return [row[i] for row in matrix]
Extracting the second column (in...
How to get Spinner value?
...title (as in, the String that is displayed to the user), but not its value if you mapped an int array onto the spinner for example.
– A. Steenbergen
Feb 5 '15 at 13:58
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Vim - how to run a command immediately when starting vim?
...plugins*
5. Set 'shellpipe' and 'shellredir'
6. Set 'updatecount' to zero, if "-n" command argument used
7. Set binary options
8. Perform GUI initializations
9. Read the viminfo file
10. Read the quickfix file
11. Open all windows
12. Execute startup commands
As you can see, your .vimrc will be lo...
Why does Android use Java? [closed]
... phones already used Java ME, so Java was known in the industry
the speed difference is not an issue for most applications; if it was you should code in low-level language
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getApplicationContext(), getBaseContext(), getApplication(), getParent()
What is the difference between:
2 Answers
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