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Does Ruby regular expression have a not match operator like “!~” in Perl?
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Get the first element of each tuple in a list in Python [duplicate]
... for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_list = [x for x,_ in rows]
Below is a demonstration:
>>> lst = [(1, 2), (3, 4)...
How can I initialize a C# List in the same line I declare it. (IEnumerable string Collection Example
...ially the syntax is:
new List<Type> { Instance1, Instance2, Instance3 };
Which is translated by the compiler as
List<string> list = new List<string>();
list.Add("One");
list.Add("Two");
list.Add("Three");
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How to remove duplicate values from a multi-dimensional array in PHP
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jeromegamez
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answered Jun 3 '09 at 18:12
daveilersdaveilers
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Principal component analysis in Python
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edited Sep 3 '10 at 11:40
nikow
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a...
Should I use 'has_key()' or 'in' on Python dicts?
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1348
in is definitely more pythonic.
In fact has_key() was removed in Python 3.x.
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Prevent ViewPager from destroying off-screen views
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How do CUDA blocks/warps/threads map onto CUDA cores?
...allocated (warps and shared memory) and threads are divided into groups of 32 threads called warps. Once a warp is allocated it is called an active warp. The two warp schedulers pick two active warps per cycle and dispatch warps to execution units. For more details on execution units and instruction...
How to reset a remote Git repository to remove all commits?
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Python: How to ignore an exception and proceed? [duplicate]
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except:
pass
Python docs for the pass statement
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