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Understanding Python's “is” operator
... True. x and y are two separate lists:
x[0] = 4
print(y) # prints [1, 2, 3]
print(x == y) # prints False
If you use the id() function you'll see that x and y have different identifiers:
>>> id(x)
4401064560
>>> id(y)
4401098192
but if you were to assign y to x then both po...
Commit changes to a different branch than the currently checked out branch with subversion
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Coloring white space in git-diff's output
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edited May 23 '17 at 12:18
Community♦
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answered Mar 10 '11 at 11:38
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Example of UUID generation using Boost in C++
...:cout << uuid << std::endl;
}
Example output:
7feb24af-fc38-44de-bc38-04defc3804de
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What is the difference between Int and Integer?
...sers may
recognise the "bignum" type here.
"Int" is the more common 32 or 64 bit
integer. Implementations vary,
although it is guaranteed to be at
least 30 bits.
Source: The Haskell Wikibook. Also, you may find the Numbers section of A Gentle Introduction to Haskell useful.
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Adding command line options to CMake
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answered May 14 '11 at 7:30
beduinbeduin
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Prevent strace from abbreviating arguments?
... strace is abbreviating the arguments to execve (I see "..." after about 30 characters), preventing me from getting any useful information. How can I get the full text of each argument?
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Create an empty list in python with certain size
...creates a list from [0, 1, 2, ... x-1]
# 2.X only. Use list(range(10)) in 3.X.
>>> l = range(10)
>>> l
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
Using a function to create a list:
>>> def display():
... s1 = []
... for i in range(9): # This is just to tell you how to crea...
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
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answered Nov 16 '12 at 9:34
eumiroeumiro
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