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#include <sys/types.h> | |
#include <unistd.h> | |
#include <stdlib.h> | |
int main() | |
{ | |
int pid = vfork(); | |
if (pid == 0) { | |
_exit(0); | |
} |
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class Last_Lines: | |
def __init__(self, n, binary=True): | |
self.n = n | |
self.binary = binary | |
self.lines = [] | |
# asyncssh calls fstat() on fileno() and checks if it is a regular file | |
# thus we open any regular file to fake it ... | |
self.dev_null = open('/etc/resolv.conf') | |
def write(self, s): | |
lines = s.splitlines(True) |
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# in reply to: https://groups.google.com/d/msg/django-developers/6mm42rrQXww/Yee5KJjVBQAJ | |
# (pull request: write feeds with ordered attributes) | |
# cf. https://github.com/django/django/pull/8044 | |
# | |
# Results: | |
# - generating one feed: ~ 0.01 s (current Laptop, i7, SSD) | |
# - sorting + OrderedDict() in SimpleXMLGenerator::startElement(): + ~ 27 % | |
# - sorting + OrderedDict() iff there are attributes: + ~ 18 % | |
# - replacing {} with [] for attributes in feedgenerator: + ~ 7 % |
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/* For illustrating how orphaned children aren't necessarily adopted | |
by PID 1. | |
See also: http://stackoverflow.com/questions/284325/how-to-make-child-process-die-after-parent-exits/36945270#36945270 | |
2016, Georg Sauthoff <mail@georg.so> | |
*/ | |
#include <unistd.h> |
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// re: http://stackoverflow.com/questions/28489153/how-to-portably-compute-a-sha1-hash-in-c/39833022#39833022 | |
#include <boost/uuid/sha1.hpp> | |
#include <boost/detail/endian.hpp> | |
#include <boost/algorithm/hex.hpp> | |
#include <boost/range/iterator_range_core.hpp> | |
#include <boost/endian/conversion.hpp> | |
#include <iostream> | |
#include <stdio.h> | |
using namespace std; |
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% curl -L -o signature.png \ | |
% 'https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/Beethoven_Signature.svg/150px-Beethoven_Signature.svg.png' | |
% compile twice: pdflatex sig_overlay.tex | |
\documentclass{article} | |
\usepackage{blindtext} | |
\usepackage{graphicx} | |
\usepackage{tikz} | |
\begin{document} | |
\begin{tikzpicture}[remember picture,overlay] | |
\node [xshift=150mm,yshift=-80mm] |
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// in reply to http://verse.systems/blog/post/2016-07-18-Software-Engineering-Teaching/ | |
unsigned fibonacci(unsigned n) { | |
unsigned a = 0, b = 1; | |
unsigned sum = 0; | |
for ( ; n > 0; --n) { | |
unsigned t = b; | |
b += a; | |
a = t; | |
sum += a; |
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/* | |
Illustrate how the & operator can be omitted when getting a function pointer. | |
In reply to: https://www.youtube.com/watch?v=z-kUhwANrIw | |
2016, Georg Sauthoff | |
*/ |
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// source: http://unix.stackexchange.com/a/163115/1131 | |
// GS, 2016-01-27, simplify the code a little bit | |
#include <QApplication> | |
#include <QTimer> | |
#include <QClipboard> | |
#include <QMimeData> | |
#include <QDebug> | |
#include <string> | |
#include <iostream> |
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