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How to discover number of *logical* cores on Mac OS X?
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This should be cross platform. At least for Linux and Mac OS X.
python -c 'import multiprocessing as mp; print(mp.cpu_count())'
A little bit slow but works.
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How do you format an unsigned long long int using printf?
...s out there that do not have integer types of those exact widths. Only the leastX and fastX types (which may actually be wider than indicated) are mandatory.
– DevSolar
Jul 9 '18 at 15:01
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How to make --no-ri --no-rdoc the default for gem install?
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@gdelfino's answer is the least obtrusive
– Ryan
May 15 '12 at 0:59
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How do I properly clean up Excel interop objects?
...on is still holding references to COM objects.
I guess you're invoking at least one member of a COM object without assigning it to a variable.
For me it was the excelApp.Worksheets object which I directly used without assigning it to a variable:
Worksheet sheet = excelApp.Worksheets.Open(...);
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How do I make a delay in Java?
...dException e) { /* empty */ } is NOT a sensible solution here. At the very least, you should provide some log information. For more information about the subject, see javaspecialists.eu/archive/Issue056.html
– Marco13
Aug 19 '18 at 18:37
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What is “rvalue reference for *this”?
...here!
† To understand how this works, and why @Nicol Bolas' answer is at least partly wrong, we have to dig in the C++ standard for a bit (the part explaining why @Nicol's answer is wrong is at the bottom, if you're only interested in that).
Which function is going to be called is determined by a ...
boost::flat_map and its performance compared to map and unordered_map
... RDTSC (using a cpuid instruction to flush the pipeline, and calling it at least 3 times at the beginning of the program to stabilize it).
2) RDTSC accuracy measure
I also recommend doing this:
u64 g_correctionFactor; // number of clocks to offset after each measurement to remove the overhead of...
Java Date cut off time information
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That method is surprisingly long and had at least two bugfixes.
– Pino
Aug 23 '18 at 10:08
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Developing C# on Linux
... an actual software development kit implementation. That's how I see it at least.
– NlightNFotis
Jun 26 '12 at 8:43
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Allowing Untrusted SSL Certificates with HttpClient
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I would recommend to at least filter on some criteria like sender
– Boas Enkler
Sep 18 '14 at 13:11
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