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Is it better to use std::memcpy() or std::copy() in terms to performance?
... of std::copy over memcpy: 2.99%
My compiler is gcc 4.6.3 on Fedora 16 x86_64. My optimization flags are -Ofast -march=native -funsafe-loop-optimizations.
Code for my SHA-2 implementations.
I decided to run a test on my MD5 implementation as well. The results were much less stable, so I decided t...
Difference between del, remove and pop on lists
...so that del is slightly faster, but for a different reason: the lookup for __delitem__ on a type implemented in C happens by index rather than by name, whereas pop needs to be looked up following the whole descriptor protocol. The execution of the functions themselves should take the same amount of ...
What's the difference between a catalog and a schema in a relational database?
...eUploader: {
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How to resolve “must be an instance of string, string given” prior to PHP 7?
...nly manually "type hint" scalar types:
function foo($string) {
if (!is_string($string)) {
trigger_error('No, you fool!');
return;
}
...
}
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Static methods - How to call a method from another method?
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class.method should work.
class SomeClass:
@classmethod
def some_class_method(cls):
pass
@staticmethod
def some_static_method():
pass
SomeClass.some_class_method()
SomeClass.some_static_method()
sha...
What's the Best Way to Shuffle an NSMutableArray?
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How do I concatenate two lists in Python?
...>>> l1 = [1, 2, 3]
>>> l2 = [4, 5, 6]
>>> joined_list = [*l1, *l2] # unpack both iterables in a list literal
>>> print(joined_list)
[1, 2, 3, 4, 5, 6]
This functionality was defined for Python 3.5 it hasn't been backported to previous versions in the 3.x family...
max value of integer
...ent is that short int <= int <= long int by size. Also, there is a recommendation that int should represent the native capacity of the processor.
All types are signed. The unsigned modifier allows you to use the highest bit as part of the value (otherwise it is reserved for the sign bit).
He...
Is Dvorak typing appropriate for programming? [closed]
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There are Dvorak layouts specifically for programming: http://www.kaufmann.no/roland/dvorak/
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Determine device (iPhone, iPod Touch) with iOS
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@jeeva: The code in that link is a compile-time check for Universal apps (apps which are compiled separately for iPhone and iPad). This code is a runtime check. Also keep in mind that this question and answer were written long before the iPad ever existed.
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