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Why is `std::move` named `std::move`?
...
template <class T>
void
swap(T& a, T& b)
{
T tmp(static_cast<T&&>(a));
a = static_cast<T&&>(b);
b = static_cast<T&&>(tmp);
}
One has to recall that at this point in history, the only thing that "&&" could possibly mean w...
python: how to identify if a variable is an array or a scalar
...o uses numpy often, I'd recommend a very pythonic test of:
if hasattr(N, "__len__")
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Average of 3 long integers
...ng divide by constants technique from hacker's delight
public class int128_t {
private int H;
private long L;
public int128_t(int h, long l)
{
H = h;
L = l;
}
public int128_t add(int128_t a)
{
int128_t s;
s.L = L + a.L;
s.H = H +...
Multiple glibc libraries on a single host
...r search for libraries in /path/to/newglibc (so you wouldn't have to set LD_LIBRARY_PATH before running it), and the -dynamic-linker option will "bake" path to correct ld-linux.so.2 into the application.
If you can't relink the myapp application (e.g. because it is a third-party binary), not all is...
Can I use a binary literal in C or C++?
...
You can use BOOST_BINARY while waiting for C++0x. :) BOOST_BINARY arguably has an advantage over template implementation insofar as it can be used in C programs as well (it is 100% preprocessor-driven.)
To do the converse (i.e. print out a ...
How to list branches that contain a given commit?
...gt; via email rather than pushing or pulling commits directly.
__*__*__*__*__> <upstream>
/
fork-point
\__+__+__-__+__+__-__+__> <head>
(Here, the commits marked '-' wouldn't show up with git cherry, meaning they are already present in <upstream&...
What are good uses for Python3's “Function Annotations”
...re what you make of them.
They can be used for documentation:
def kinetic_energy(mass: 'in kilograms', velocity: 'in meters per second'):
...
They can be used for pre-condition checking:
def validate(func, locals):
for var, test in func.__annotations__.items():
value = locals[v...
Syntax Error: Not a Chance
...indentation will never be implemented.
Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division.
So the line from __future__ import braces is taken to mean you want to enable the 'create blocks with braces'...
Case insensitive 'in'
...ive. Minimally, for example...:
class CaseInsensitively(object):
def __init__(self, s):
self.__s = s.lower()
def __hash__(self):
return hash(self.__s)
def __eq__(self, other):
# ensure proper comparison between instances of this class
try:
oth...
Is there an online name demangler for C++? [closed]
... This one worked for me, but not the one in the more popular answer: _ZN9cdnalizer11rewriteHTMLINS_6apache8IteratorEcEET_RKSsRKNS_6ConfigES3_S3_St8functionIFS3_RKS3_SB_EES9_IFvSsEE
– matiu
Dec 28 '13 at 6:52
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