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How to check if there exists a process with a given pid in Python?
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Brandon Rhodes
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answered Feb 20 '09 at 4:31
mluebkemluebk...
Converting a Uniform Distribution to a Normal Distribution
...mber very close to zero. Most RNG do not, since they generate a (typically 64 bit) integer which is then mapped to [0,1]. This makes those methods unsuitable for sampling tails of gaussian variables (think of pricing low/high strike options in computational finance).
– Alexandr...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...is:
This shows the result of benchmark runs on the following code:
uint64_t do_Ndec(int thread, int loop_count)
{
uint64_t start;
uint64_t end;
int __d0;
asm volatile ("rdtsc\n\tshl $32, %%rdx\n\tor %%rdx, %0" : "=a" (start) : : "%rdx");
mutex.lock();
mutex.unlock();
asm volatile ...
How do I calculate percentiles with python/numpy?
...6, 1.92, 1.98, 2.04, 2.1, 2.16, 2.22, 2.28, 2.34, 2.4, 2.46, 2.52, 2.58, 2.64, 2.7, 2.76, 2.82, 2.88, 2.94, 3.0, 3.06, 3.12, 3.18, 3.24, 3.3, 3.36, 3.42, 3.48, 3.54, 3.6, 3.66, 3.72, 3.78, 3.84, 3.9, 3.96, 4.02, 4.08, 4.14, 4.2, 4.26, 4.32, 4.38, 4.44, 4.5, 4.56, 4.62, 4.68, 4.74, 4.8, 4.86, 4.92, 4...
Is it possible to install iOS 6 SDK on Xcode 5?
...Another change I made, Build Setting > Architectures > standard (not 64) so list all the versions of Deployment Target
No need to download the zip if you only wanted to change the deployment target.
Here are some screenshots.
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Multiple variables in a 'with' statement?
...red Jun 20 '18 at 23:32
nyanpasu64nyanpasu64
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Get Folder Size from Windows Command Line
... JoeyJoey
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Does a favicon have to be 32x32 or 16x16?
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philippe_bphilippe_b
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Preferred order of writing latitude & longitude tuples in GIS services
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Brandon Rhodes
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answered Sep 5 '11 at 15:17
Jiri KrizJiri...
How big can a user agent string get?
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Depending on web-server and their settings these limits vary from 4KB to 64KB (total for all headers).
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