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advantage of tap method in ruby
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I don't find this use very compelling - arguably no more readable, that's why were on this page. Without a strong readability argument, I compared speed. My tests indicate a 45% additional runtime for simple implementations of the above, diminishing as the number of setters ...
typedef struct vs struct definitions [duplicate]
...zi: I cannot think of any downside, on the contrary, it will probably make more sense for other users if the type and the typename have the same name.
– David Rodríguez - dribeas
Oct 22 '13 at 4:35
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Why use Ruby instead of Smalltalk? [closed]
...en Ruby and Smalltalk -- maglev is a testament to that. Despite having a more unusual syntax, Smalltalk has all (if not more) of the object-oriented beauty of Ruby.
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SQL SELECT speed int vs varchar
...ate types:
int fields occupy between 2 and 8 bytes, with 4 being usually more than enough ( -2147483648 to +2147483647 )
character types occupy 4 bytes plus the actual strings.
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If my interface must return Task what is the best way to have a no-operation implementation?
...sey's answer about using Task.FromResult, you can improve performance even more if you cache the already completed task since all instances of completed tasks are the same:
public static class TaskExtensions
{
public static readonly Task CompletedTask = Task.FromResult(false);
}
With TaskExte...
What are the differences between Autotools, Cmake and Scons?
...no problems with the other options discussed in the thread here.
SCons is more of a replacement for Make/GMake/etc. and looks pretty nice, all things considered However...
It is still really more of a POSIX only tool. You could probably more easily get MinGW to build Windows stuff with this tha...
Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
...y, OOP just didn't seem all that important. Not when we can write simpler, more concise and more efficient code by using techniques available through templates and generic programming.
OOP is not the holy grail. It's a cute idea, and it was quite an improvement over procedural languages back in the...
Difference between binary semaphore and mutex
...ay to look at it for the Mutex. However, depending on the OS, you can have more than one recipient waiting on a binary semaphore. In that case, only one of the client will get the binary sem. The other(s) would wait for a subsequent one. Is the order of receiving known or guaranteed? Depends on the...
How do cache lines work?
...m. It might be true for the L3 or L2 cache but not for the RAM where it is more like 90ns. What you mean is the burst time - the time to access the next quad-word in burst mode (which is actually the correct answer)
– Martin Kersten
Aug 30 '16 at 9:40
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Iterating through a range of dates in Python
...xplicit incrementation of some counter or value. The interation pattern is more pythonic (at least in my personal view) and also more general, as it allows to express an iteration while hiding the details of how that iteration is done.
– Ber
Jun 30 '09 at 9:57
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