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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...k) is fun but you really need to go to the standards documents to be sure. For example, ISO C11 states (my emphasis):
If the value of argc is greater than zero, the string pointed to by argv[0] represents the program name; argv[0][0] shall be the null character if the program name is not availab...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
... or a function( Xvec, centrevec ), e.g. Lqmetric below
p: for minkowski metric -- local mod cdist for 0 < p < 1 too
verbose: 0 silent, 2 prints running distances
out:
centres, k x dim
Xtocentre: each X -> its nearest centre, ints N -> k
...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...ng'.
I'd expect them to be translated into something reasonably efficient for your current platform, whether it be one of those fancy bit-twiddling algorithms, or a single instruction.
A useful trick if your input can be zero is __builtin_clz(x | 1): unconditionally setting the low bit without m...
Received fatal alert: handshake_failure through SSLHandshakeException
...t uses a compatible version of the SSL/TLS protocol.
Incomplete trust path for the server certificate; the server's certificate is probably not trusted by the client. This would usually result in a more verbose error, but it is quite possible. Usually the fix is to import the server's CA certificate...
What is the difference between a static and a non-static initialization code block
...o cover a code block within a class which does not belong to any function. For example following code compiles:
8 Answers
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Pragma in define macro
...n 6.10.9 of the c99 standard, or 16.9 of the c++0x final committee draft)
For example,
#define STRINGIFY(a) #a
#define DEFINE_DELETE_OBJECT(type) \
void delete_ ## type ## _(int handle); \
void delete_ ## type(int handle); \
_Prag...
sql “LIKE” equivalent in django query
...
And for case insensitive search use __icontains -> result = table.objects.filter(string__icontains='pattern')
– Hitesh Garg
Aug 11 '15 at 15:56
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Is there an online name demangler for C++? [closed]
...t paste it into some textbox on some website and have the names un-mangled for me.
5 Answers
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How can I get the current page's full URL on a Windows/IIS server?
...in PHP, but it doesn't seem to be working. My post URLs have the following format:
15 Answers
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Catch a thread's exception in the caller thread in Python
...s in its own stack. One way I can think of right now to communicate this information to the parent thread is by using some sort of message passing, so you might look into that.
Try this on for size:
import sys
import threading
import Queue
class ExcThread(threading.Thread):
def __init__(sel...