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When should I use a struct rather than a class in C#?
...ce types (added bonus info)
Hashed keys notwithstanding, dictionaries are fast in part because instancing a struct is quicker than a reference type. Here, I have a Dictionary<int, int> that stores 300,000 random integers with sequentially incremented keys.
Capacity: 312874
MemSize: 266...
Does Java casting introduce overhead? Why?
...n via a simple add + compare be able to resolve things? - that is nice and fast :) For interfaces I would assume no worse than a small hashtable or btree ?
– peterk
Jan 12 '12 at 19:34
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What are the differences between a pointer variable and a reference variable in C++?
... be cheap or free due to RVO/move construction. But if you have Animal x = fast ? getHare() : getTortoise() then x will face the classic slicing problem, while Animal& x = ... will work correctly.
– Arthur Tacca
Nov 2 '17 at 11:04
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Difference between a Postback and a Callback
...and watch it post to the server, exactly like an ASP.NET page would do but faster and simpler. That's what real POSTBACK is. The browser naturally sends the server the necessary POST HTTP Header to do so, but caches the HTML in the rest of the page, so it renders lightning fast on its own.
For CALL...
What does “S3 methods” mean in R?
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Here is an updated fast rundown of the numerous R object systems according to "Advanced R, 2nd edition" (CRC Press, 2019) by Hadley Wickham (Chief Scientist at RStudio), which has a web representation here, based on the chapter about Object-Ori...
What are queues in jQuery?
...:'+=200'},2000);
$("div").slideToggle(1000);
$("div").slideToggle("fast");
$("div").animate({left:'-=200'},1500);
$("div").hide("slow");
$("div").show(1200);
$("div").slideUp("normal", runIt);
}
runIt();
Example from http://docs.jquery.com/Effects/queue
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How can I quantify difference between two images?
...built into SciPy (docs.scipy.org/doc/scipy/reference/generated/…), and a fast version using the FFT is available in stsci python (stsci.edu/resources/software_hardware/pyraf/stsci_python)
– endolith
Sep 17 '09 at 16:16
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Is gcc std::unordered_map implementation slow? If so - why?
...arge a SIZE you were working with. I can say the unordered_map is twice as fast with DEPTH set to 1 and properly preallocated.
– jxh
Jul 24 '12 at 8:36
1
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What's the difference between unit, functional, acceptance, and integration tests? [closed]
...le as possible, easy to debug, reliable (due to reduced external factors), fast to execute and help to prove that the smallest building blocks of your program function as intended before they're put together. The caveat is that, although you can prove they work perfectly in isolation, the units of ...
No ConcurrentList in .Net 4.0?
...d scenarios, I found that simply synchronizing adds to a List<T> was faster. Basically, adding to a List<T> is lightning fast already; the complexity of the computational steps involved is miniscule (increment an index and assign to an element in an array; that's really it). You would ne...