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Is cout synchronized/thread-safe?
...t?
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 (§27.7.2.1) and output (§27.7.3.1) functions or a standard C stream by mu...
How do you get the length of a list in the JSF expression language?
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edited Dec 11 '13 at 20:23
Beryllium
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answer...
What are all the common ways to read a file in Ruby?
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262
File.open("my/file/path", "r") do |f|
f.each_line do |line|
puts line
end
end
# File i...
jQuery UI accordion that keeps multiple sections open?
...e accordion styling.
– forresto
Jun 21 '12 at 10:28
12
Furthermore, this is no solution to the qu...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...ed.)
This question discusses the uses left for a C array like int arr[20]; . On his answer , @James Kanze shows one of the last strongholds of C arrays, it's unique initialization characteristics:
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Docker: adding a file from a parent directory
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231
You can build the Dockerfile from the parent directory:
docker build -t <some tag> -f &...
How to Sort Multi-dimensional Array by Value?
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Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first:
function sortByOrder($a, $b) {
return $a['order'] - $b['order'];
}
usort($myArray, 'sortByOrder');
Starting in PHP 5.3, you can use an anonymous function:
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Learning Python from Ruby; Differences and Similarities
...e statements; Python does not.
Ruby supports the standard expr ? val1 : val2 ternary operator; Python does not.
Ruby supports only single inheritance. If you need to mimic multiple inheritance, you can define modules and use mix-ins to pull the module methods into classes. Python supports multiple...
@Basic(optional = false) vs @Column(nullable = false) in JPA
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