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Is cout synchronized/thread-safe?
... in mutual exclusion. But how can an implementation guarantee that?
In C++11, we do have some guarantees. The FDIS says the following in §27.4.1 [iostream.objects.overview]:
Concurrent access to a synchronized (§27.5.3.4) standard iostream object’s formatted and unformatted input (§27.7.2....
How to select only the first rows for each unique value of a column
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answered Jan 11 '11 at 20:50
gbngbn
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Renaming table in rails
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answered Jan 8 '11 at 0:49
camcam
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Difference between size_t and std::size_t
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answered Apr 28 '11 at 4:47
NawazNawaz
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Remove non-numeric characters (except periods and commas) from a string
...cters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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C++ const map element access
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at() is a new method for std::map in C++11.
Rather than insert a new default constructed element as operator[] does if an element with the given key does not exist, it throws a std::out_of_range exception. (This is similar to the behaviour of at() for deque and ve...
Export a graph to .eps file with R
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answered Nov 16 '11 at 6:10
CompEconCompEcon
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How to redirect to Index from another controller?
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answered Oct 25 '11 at 15:59
musefanmusefan
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Do you need break in switch when return is used?
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answered Jun 13 '11 at 12:00
insumityinsumity
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What is the best way to deal with the NSDateFormatter locale “feechur”?
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