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Passing a dictionary to a function as keyword parameters
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This is great, just used it with argparse/__dict__ to make it really easy to do command line argument parsing directly into options for a class object.
– Horus
Jun 14 '12 at 3:47
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How to print the full NumPy array, without truncation?
...ld instead of a.size <= _summaryThreshold, and np.nan returns False for all >/</>=/<= comparisons. 'nan' only happens to work due to fragile implementation details of Python 2's mixed-type comparison logic; it breaks completely on Python 3.
– user2357112 supports...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
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@WouterLievens, overflow is normally an "unusual" condition, if not an outright error condition. It is a result of finite-precision math, which most people are not intuitively expecting to happen when they do math. In some cases, like -1 + 1, it's harmless;...
How to install the Raspberry Pi cross compiler on my Linux host machine?
...-gcc -v. You should get something like this:
Using built-in specs.
COLLECT_GCC=arm-linux-gnueabihf-gcc
COLLECT_LTO_WRAPPER=/home/tudhalyas/raspberrypi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/../libexec/gcc/arm-linux-gnueabihf/4.7.2/lto-wrapper
Target: arm-linux-gnueabihf
Confi...
presentViewController:animated:YES view will not appear until user taps again
...ith presentViewController:animated:completion . What I'm making is essentially a guessing game.
8 Answers
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Mean per group in a data.frame [duplicate]
... the many ways to specify the variables to act on. Here, vars(-Month) says all variables except Month.
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What is the difference between exit(0) and exit(1) in C?
...ccessful program termination & it is fully portable, While
exit(1) (usually) indicates unsucessful termination. However, it's usage is non-portable.
Note that the C standard defines EXIT_SUCCESS and EXIT_FAILURE to return termination status from a C program.
0 and EXIT_SUCCESS are the values s...
How to generate random number with the specific length in python
... use an arbitrary number of digits:
from random import randint
def random_with_N_digits(n):
range_start = 10**(n-1)
range_end = (10**n)-1
return randint(range_start, range_end)
print random_with_N_digits(2)
print random_with_N_digits(3)
print random_with_N_digits(4)
Output:
33
124
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Knight's Shortest Path on Chessboard
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You have a graph here, where all available moves are connected (value=1), and unavailable moves are disconnected (value=0), the sparse matrix would be like:
(a1,b3)=1,
(a1,c2)=1,
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And the shortest path of two points in a graph can be found usin...
Select random row from a sqlite table
... the day seeded with unix epoc for today at noon so it shows the same book all day even if the query is run multiple times. Yes I know caching is more efficient for this use case just an example.
– danielson317
Apr 22 at 17:18
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