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Programmatically get the cache line size?
...d_cpu_list
shared_cpu_map
size
type
ways_of_associativity
This gives you more information about the cache then you'd ever hope to know, including the cacheline size (coherency_line_size) as well as what CPUs share this cache. This is very useful if you are doing multithreaded programming with sha...
Operator overloading in Java
...tors. I don't see how delegates break OOP principles - you need to be much more precise than that in your objections. I don't know the details of why the Java designers didn't include various features, but I suspect there's a mixture of resource pressure and a desire to keep the language small and r...
Why are interface variables static and final by default?
...See docs.oracle.com/javase/tutorial/java/IandI/… . A class cannot extend more than one class due to the same reason.
– denis
Aug 17 '17 at 21:02
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How to use ELMAH to manually log errors
...(HttpContext.Current).Log(new Elmah.Error(ex));
}
ELMAH 1.2 introduces a more flexible API:
try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
There is a difference between the two solutions:
Raise method applies ELMAH filtering rules to the ...
Python: fastest way to create a list of n lists
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The list comprehensions actually are implemented more efficiently than explicit looping (see the dis output for example functions) and the map way has to invoke an ophaque callable object on every iteration, which incurs considerable overhead overhead.
Regardless, [[] for ...
How to list the contents of a package using YUM?
..., this requires knowing the location of the .rpm file on the filesystem. A more elegant solution would be to use the package manager, which in my case is YUM. How can YUM be used to achieve this?
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How do I do a not equal in Django queryset filtering?
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@J.C.Leitão: see also @d4nt’s answer below for more intuitive syntax.
– Paul D. Waite
Apr 9 '14 at 21:47
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PDO mysql: How to know if insert was successful
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No more like this, $value = $stmt->execute(); if($value){//true}else{//false}
– Ólafur Waage
Jun 3 '11 at 8:40
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git rebase: “error: cannot stat 'file': Permission denied”
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Can you have multiline HTML5 placeholder text in a ?
... i had test out. And it's not a matter of textarea's size. Can you provide more information on the issue you had ?
– Cyrbil
May 9 '15 at 15:40
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