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When to use nested classes and classes nested in modules?
...class Wheel { }
}
only methods in the Car class can create Wheels.
Ruby doesn’t have that behaviour.
In Ruby,
class Car
class Wheel
end
end
differs from
class Car
end
class Wheel
end
only in the name of the class Wheel vs. Car::Wheel. This difference in name can make explicit to pro...
Can I have multiple :before pseudo-elements for the same element?
...tings can take effect (by normal cascade rules). The point is that content does not accumulate.
– Jukka K. Korpela
Aug 17 '12 at 9:47
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What is the difference between .*? and .* regular expressions?
...fault is greedy: they try to match as many reps as possible, and when this doesn't work and they have to backtrack, they try to match one fewer rep at a time, until a match of the whole pattern is found. As a result, when a match finally happens, a greedy repetition would match as many reps as possi...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...nostic:
Avoid using Write-Host because it might not work in all hosts, does not work when there is no host, and (prior to PS 5.0) cannot be suppressed, captured, or redirected. Instead, use Write-Output, Write-Verbose, or Write-Information.
See the documentation behind that rule for more infor...
Do you put unit tests in same project or another project?
...
@jropella: Reflection doesn't care about InternalsVisibleTo anyway... but you wouldn't have seen a signed assembly trusting an unsigned assembly using InternalsVisibleTo, because that's prevented at compile-time.
– Jon Skeet
...
How can I recover a lost commit in Git?
...mit range
git revert <sha-1>
This schema illustrates which command does what.
As you can see there, reset && checkout modify the HEAD.
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How to generate the “create table” sql statement for an existing table in postgreSQL
...inIII and using their tool to get me a show-create. I'm surprised postgres doesn't have this functionality without needing to make a dump.
– Amalgovinus
Apr 23 '15 at 21:02
5
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How to change the default charset of a MySQL table?
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You should never, ever use utf8_general_ci: it simply doesn’t work. It’s a throwback to the bad old days of ASCII stooopeeedity from fifty years ago. Unicode case-insensitive matching cannot be done without the foldcase map from the UCD. For example, “Σίσυφος” has...
What is a smart pointer and when should I use one?
...complex smart pointer policy involves reference counting the pointer. This does allow the pointer to be copied. When the last "reference" to the object is destroyed, the object is deleted. This policy is implemented by boost::shared_ptr and std::shared_ptr.
void f()
{
typedef std::shared_ptr<...
How many threads is too many?
...more and more number of tasks ).
I am sure windows kernel scheduler also does something of this sort to deal with over utilization of the resources
[1]
http://adywicaksono.wordpress.com/2007/07/10/i-can-not-create-more-than-255-threads-on-linux-what-is-the-solutions/
...