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Split string on the first white space occurrence
I didn't get an optimized regex that split m>me m> a String basing into the first white space occurrence:
13 Answers
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Returning the product of a list
...r. With python 2.7.5
from operator import mul
import numpy as np
import num>me m>xpr as ne
# from functools import reduce # python3 compatibility
a = range(1, 101)
%tim>me m>it reduce(lambda x, y: x * y, a) # (1)
%tim>me m>it reduce(mul, a) # (2)
%tim>me m>it np.prod(a) # (3)
%...
Remove Last Comma from a string
...beginning and end of the regular expression
The , matches the comma
The \s m>me m>ans whitespace characters (space, tab, etc) and the * m>me m>ans 0 or more
The $ at the end signifies the end of the string
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How to add new elem>me m>nts to an array?
...r solution would be to use an ArrayList which can grow as you need it. The m>me m>thod ArrayList.toArray( T[] a ) gives you back your array if you need it in this form.
List<String> where = new ArrayList<String>();
where.add( ContactsContract.Contacts.HAS_PHONE_NUMBER+"=1" );
where.add( Cont...
How would Git handle a SHA-1 collision on a blob?
...a commit, and get very very unlucky: one of the blobs ends up having the sam>me m> SHA-1 as another that is already in your repository. Question is, how would Git handle this? Simply fail? Find a way to link the two blobs and check which one is needed according to the context?
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Simple regular expression for a decimal with a precision of 2
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Valid regex tokens vary by implem>me m>ntation. A generic form is:
[0-9]+(\.[0-9][0-9]?)?
More compact:
\d+(\.\d{1,2})?
Both assum>me m> that both have at least one digit before and one after the decimal place.
To require that the whole string is a number of t...
Updating a local repository with changes from a GitHub repository
... answered Sep 18 '09 at 8:31
Jam>me m>s HealyJam>me m>s Healy
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UITableView Setting som>me m> cells as “unselectable”
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add a comm>me m>nt
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How to get elem>me m>nts with multiple classes
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It's actually very similar to jQuery:
docum>me m>nt.getElem>me m>ntsByClassNam>me m>('class1 class2')
MDN Doc getElem>me m>ntsByClassNam>me m>
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Finding diff between current and last version
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I don't really understand the m>me m>aning of "last version".
As the previous commit can be accessed with HEAD^, I think that you are looking for som>me m>thing like:
git diff HEAD^ HEAD
As of Git 1.8.5, @ is an alias for HEAD, so you can use:
git diff @~..@
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