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Random number generation in C++11: how to generate, how does it work? [closed]
...entire sequence of "random" numbers, so a) use a different one (e.g. taken from /dev/urandom) each time, and b) store the seed if you wish to recreate a sequence of random choices.
#include <random>
typedef std::mt19937 MyRNG; // the Mersenne Twister with a popular choice of parameters
uint...
Convert base-2 binary number string to int
...
Another way to do this is by using the bitstring module:
>>> from bitstring import BitArray
>>> b = BitArray(bin='11111111')
>>> b.uint
255
Note that the unsigned integer is different from the signed integer:
>>> b.int
-1
The bitstring module isn't a req...
What is the difference between '/' and '//' when used for division?
... in the 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior.
Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation.
You can find a detailed ...
SyntaxError: Use of const in strict mode
...st stable NodeJS version
sudo n stable
Update nodejs instructions taken from, https://stackoverflow.com/a/19584407/698072
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Is there a WebSocket client implemented for Python? [closed]
...a WebSocket client in python, more exactly I need to receive some commands from XMPP in my WebSocket server.
5 Answers
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getenv() vs. $_ENV in PHP
...variable:
Via sapi_getenv (e.g. if it's getting the environment variable from Apache)
If on Windows, from GetEnvironmentVariableA.
If on non-Windows, from the getenv function provided by libc.
As far as I can tell, the only time when it will behave in a case-insensitive manner is on Windows beca...
What does it mean when git says a file “needs update”?
...anation of the "[file]: needs update" message that git sometimes spits out from time to time. Even the official git FAQ has explaining this marked as a TODO. If someone could explain A) what it means; and B) how to fix it, I would be extremely grateful.
...
Problems with Android Fragment back stack
...can we prevent this behaviour without resorting to hacky ways like the one from DexterMoon, or the one from Nemanja using popBackStack which shows the Fragment while playing the transition animation?
– momo
Sep 27 '13 at 7:31
...
Python Empty Generator Function
... Python 3.3 and above (as suggested by DSM), this:
def empty():
yield from ()
The presence of the yield keyword makes it clear at the briefest glance that this is just another generator function, exactly like all the others. It takes a bit more time to see that the iter(()) version is doing t...
How to return multiple lines JSX in another return statement in React?
...menu code into a single component "anchored" at ul than to shoehorn in lis from multiple sources. I think it made also the mental model for the UI a little cleaner.
– ruffin
Mar 24 '17 at 17:43
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