View weak-ptr-global.cpp
#include <cassert>
#include <iostream>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
template <typename T>
std::shared_ptr<T> get_global(int id) {
using Map = std::unordered_map<int, std::weak_ptr<T>>;
View qt-eigen-opengl-demo.cmake
add_custom_target(demos)
find_package(Qt5Core REQUIRED)
find_package(Qt5Gui REQUIRED)
find_package(Qt5OpenGL REQUIRED)
find_package(OpenGL)
find_package(Eigen3)
set(CMAKE_AUTOMOC ON)
View fix_modular_sequence.cpp
template <typename T>
T fix_modular_sequence(T&& seq, const typename T::value_type modulus) {
const auto threshold = modulus / 2.0;
auto it = seq.begin();
auto prev = *it;
while (it != seq.end()) {
++it;
auto& curr = *it;
auto diff = curr - prev;
if (std::abs(diff) > threshold) curr -= (diff < 0 ? -1 : 1) * modulus;
View core-dump.cpp
#include <iostream>
#include <sys/resource.h>
int main() {
rlimit core_limits;
core_limits.rlim_cur = core_limits.rlim_max = RLIM_INFINITY;
setrlimit(RLIMIT_CORE, &core_limits);
std::cout << "begin\n";
int* x = 0;
View gol.md
  • Qualsiasi cella viva con meno di due celle vive adiacenti muore, come per effetto d'isolamento;
  • Qualsiasi cella viva con due o tre celle vive adiacenti sopravvive alla generazione successiva;
  • Qualsiasi cella viva con più di tre celle vive adiacenti muore, come per effetto di sovrappopolazione;
  • Qualsiasi cella morta con esattamente tre celle vive adiacenti diventa una cella viva, come per effetto di riproduzione.
View list_screen_output_modes.sh
#!/bin/sh
output=""
xrandr | while read line; do
if echo "${line}" | grep 'connected' > /dev/null; then
if echo "${line}" | grep ' connected' > /dev/null; then
output="$( echo "${line}" | sed 's/\(.*\) connected.*/\1/' )"
fi
elif ! echo "${line}" | grep '^Screen' > /dev/null; then
View brother-top-margin-cut-off-FIX.md

Brother MFC-J480DW cuts off top margin

In Linux, my Brother MFC-J480DW cuts off top margin when used with A4 paper, even if all settings are set to A4.

To make it work, I had to edit /opt/brother/Printers/mfcj480dw/inf/brmfcj480dwrc file (that's the path in Gentoo, it could be different in other distributions).

And change:

PaperType=Letter
View update-adblock-list
#!/bin/sh
FAKE_SERVER_ADDRESS='127.8.8.8'
URL='http://pgl.yoyo.org/adservers/serverlist.php?hostformat=dnsmasq&showintro=0&mimetype=plaintext'
FILENAME='/etc/NetworkManager/dnsmasq.d/adblock'
## do not update if fresh (24h)
if test -e "${FILENAME}"; then
echo 'file exists'
if ! test "$( find "${FILENAME}" -mmin +1440 )"; then
View xbindkeys_1.8.6.bb
SUMMARY = "xbindkeys - Tool for launching commands on keystrokes"
HOMEPAGE = "http://www.nongnu.org/xbindkeys/xbindkeys.html"
LICENSE = "GPL"
LIC_FILES_CHKSUM = "file://COPYING;md5=24396300012ca5a98ff24b08179852a0"
SECTION = "x11"
DEPENDS = "virtual/libx11"
PR = "r0"
inherit distro_features_check autotools
View code-advent-1.cpp
#include <cassert>
#include <iostream>
#include <stdio.h>
#include <string>
#include <vector>
std::vector<int> toVector(const std::string& str) {
std::vector<int> result;
for (auto c : str) {
result.push_back(c - '0');