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What is the difference between atomic and critical in OpenMP?
... I disagree with all numbers you mention in your explanation. Assuming x86_64, the atomic operation will have a few cycle overhead (synchronizing a cache line) on the cost of roughly a cycle. If you would have a ''true sharing'' cost otherwise, the overhead is nihil. A critical section incurs the co...
How to find the size of localStorage
...ngth*16)/(8*1024)) + ' KB' : 'Empty (0 KB)';
};
Mine returned: "30.896484375 KB"
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Using global variables in a function
... Georgy
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answered Jan 8 '09 at 5:59
gimelgimel
69.3k1010 gold badges6...
Should developers have administrator permissions on their PC
...
fortranfortran
64.4k2222 gold badges122122 silver badges167167 bronze badges
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...nd stored that in the DB. I then prevented storing the TimeSpan
public Int64 ValidityPeriodTicks { get; set; }
[NotMapped]
public TimeSpan ValidityPeriod
{
get { return TimeSpan.FromTicks(ValidityPeriodTicks); }
set { ValidityPeriodTicks = value.Ticks; }
}
...
What is the purpose of class methods?
...k:
https://github.com/zzzeek/sqlalchemy/blob/ab6946769742602e40fb9ed9dde5f642885d1906/lib/sqlalchemy/dialects/mssql/pymssql.py#L47
You can see that the dbapi() method, which a database backend uses to import the vendor-specific database library it needs on-demand, is a class method because it need...
Android - Handle “Enter” in an EditText
...ava, my Android tool-chain broke. It was 32-bit. I re-installed everything 64-bit and discovered that there are many more public emulator versions available now. I must admit that I only know that the behavior of the EditorActionListener is consistent in the emulators that I tested.
...
How do you run a command for each line of a file?
...ted. His goal was initialy to build lines in respect of shell limitations (64kchar/line or something so). Now this tool could work with very big files and may reduce a lot the number of fork to final command. See my answer and/or man xargs.
– F. Hauri
Dec 10 '1...
How can I recover the return value of a function passed to multiprocessing.Process?
...tester
if __name__ == "__main__":
mp = Multiprocessor()
num_proc = 64
for _ in range(num_proc): # queue up multiple tasks running `sum`
mp.run(sum, [1, 2, 3, 4, 5])
ret = mp.wait() # get all results
print(ret)
assert len(ret) == num_proc and all(r == 15 for r in ret)
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Comparison between Corona, Phonegap, Titanium
...e phone functions such as Geolocation, Accelerometer Camera, Contacts, Database, File system, etc. Basically any function that the mobile phone SDK provides can be "bridged" to the javascript world. On the other hand, a normal web app that runs on the mobile web browser does not have access to most ...