alepez’s gists

alepez / xbindkeys_1.8.6.bb

Created December 21, 2017 10:44

xbindkeys yocto recipe

	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

alepez / code-advent-1.cpp

Created December 20, 2017 16:08

	#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');

alepez / gpg-key-to-datamatrix.sh

Created November 24, 2017 11:22

GPG to Printable Datamatrix

	#!/bin/bash

	add_caption() {
	convert "${1}" \
	-quality 100 \
	-units PixelsPerInch \
	-resize 200% \
	\( -background white -fill black -size x48 \
	label:"${2}" -trim +repage \
	-bordercolor white -border 10 \

alepez / chromium-gpu-vivante.sh

Created November 16, 2017 14:06

Chromium Hardware Acceleration i.MX6 Vivante

	#!/bin/sh

	if [ "${1}" == "forever" ]; then
	while sleep 1; do "${0}"; done
	exit 0
	fi

	export DISPLAY=:0

	# url="http://jsfiddle.net/gionaf/Ugc5g/embedded/result/"

alepez / android-crystax-build-openssl.md

Last active November 12, 2017 16:06

Android Crystax build OpenSSL

You have Crystax installed in /opt/crystax

CRYSTAX_ROOT=/opt/crystax

Which version does crystax expect?

ls ${CRYSTAX_ROOT}/sources/openssl/

alepez / gist:b6e4264bf92d5bb082713cb745b35bab

Created November 7, 2017 09:40

	#include "opencv2/opencv.hpp"
	#include <ctime>
	#include <sys/timeb.h>

	using namespace cv;

	int main(int, char**) {
	VideoCapture cap(1); // open the default camera
	if (!cap.isOpened()) // check if we succeeded
	return -1;

alepez / cross-compile-qt5.9.2-rpi3.md

Created November 2, 2017 23:13

Cross Compile Qt 5.9.2 for Raspberry Pi 3 on Gentoo

Example of make.conf with distcc enabled

/etc/portage/make.conf

CFLAGS="-mcpu=cortex-a53 -mfloat-abi=hard -mfpu=neon-fp-armv8 -O2 -pipe"
CXXFLAGS="${CFLAGS}"

CHOST="armv7a-hardfloat-linux-gnueabi"

alepez / cross-compile-qt-imx6-vivante.md

Created October 26, 2017 10:39

cross compile qt imx6 vivante

./configure -release -opengl es2 -device linux-imx6-g++ -device-option CROSS_COMPILE=armv7a-hardfloat-linux-gnueabi- -sysroot /opt/imx6-gentoo/sysroot -extprefix /opt/Qt/5.9.2/imx6 -v -nomake examples -nomake tests -no-use-gold-linker -opensource -confirm-license -skip qtscript -no-sql-psql -no-sql-mysql

alepez / cross-compile-qt5.8-rpi3.sh

Last active February 22, 2018 22:32

Cross Compile QT 5.8 for Raspberry PI 3

	./configure -release -opengl es2 -device linux-rpi3-vc4-g++ -device-option CROSS_COMPILE=/opt/rpi3/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf- -sysroot /opt/rpi3/gentoo-sysroot/ -extprefix /opt/Qt/5.8/rpi3 -v -nomake examples -nomake tests -no-use-gold-linker -opensource -confirm-license -skip qtscript
	gmake
	sudo gmake install

alepez / wget-1.19.ebuild

Created October 12, 2017 14:43

wget 1.19 ebuild for old (2015) gentoo

	# Copyright 1999-2017 Gentoo Foundation
	# Distributed under the terms of the GNU General Public License v2
	# $Id$

	EAPI="4"
	PYTHON_COMPAT=( python{3_3,3_4} )

	inherit flag-o-matic python-any-r1 toolchain-funcs eutils

	DESCRIPTION="Network utility to retrieve files from the WWW"

Alessandro Pezzato alepez