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Caveats of select/poll vs. epoll reactors in Twisted
...mpact way (one bit per file descriptor). And the FD_SETSIZE (typically 1024) limitation on how many file descriptors you can use with select means that you'll never spend more than 128 bytes for each of the three fd sets you can use with select (read, write, exception). Compared to those 384 bytes...
What is the purpose of the -m switch?
...
143
The first line of the Rationale section of PEP 338 says:
Python 2.4 adds the command line s...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...
114
+50
What is w...
How do you round a floating point number in Perl?
...sprintf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
functions.
use POSIX;
$ceil = ceil(3.5);...
How to use the same C++ code for Android and iOS?
...{
externalNativeBuild {
cmake {
cppFlags "-std=c++14"
}
}
...
}
And the second step is to add the CMakeLists.txt file:
cmake_minimum_required(VERSION 3.4.1)
include_directories (
../../CPP/
)
add_library(
native-lib
SHARED
src/main/cpp/native...
Java: parse int value from a char
...
446
Try Character.getNumericValue(char).
String element = "el5";
int x = Character.getNumericValu...
SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
...
MaheMahe
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How to avoid reinstalling packages when building Docker image for Python projects?
...
4 Answers
4
Active
...
All combinations of a list of lists
...
449
you need itertools.product:
>>> import itertools
>>> a = [[1,2,3],[4,5,6],[...