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raghunayak / create_xorg_for_intel.sh
Created May 6, 2021 15:02
Creates Xorg.conf template file for intel integrated GPU
# Create the Xorg.conf template file for intel integrated GPU
cat <<EOF | sudo tee /usr/share/X11/xorg.conf.d/20-intel.conf &>/dev/null
Section "Device"
Identifier "intelgpu0"
Option "NoDDC" "true"
Option "IgnoreEDID" "true"
Driver "intel"
EndSection
EOF
@raghunayak
raghunayak / disable_auto_updater.sh
Last active March 1, 2023 16:41
Script to disable Auto Updater on Ubuntu 16.04
#!/usr/bin/env bash
# Script to disable auto-updater on Ubuntu 16.04
# Disable the automatic package updates
echo "Disabling automatic package updates and upgrades"
sudo sed -i 's/"1"/"0"/g' /etc/apt/apt.conf.d/10periodic /etc/apt/apt.conf.d/20auto-upgrades
# Stop and disable apt updater/upgrade timers/services
sudo systemctl disable --now apt-daily.timer
@raghunayak
raghunayak / qdebug_without_spaces.cpp
Last active March 30, 2021 14:02
Sample to show how space can be disabled/enabled in middle of qDebug logging
#include <QDebug>
// Output: Log with spaces Logwithoutspaces Again Logging with spaces
int main(int argc, char *argv[])
{
auto log = qDebug();
log << "Log" << "with" << "spaces";
log.nospace();
log << "Log" << "without" << "spaces";
@raghunayak
raghunayak / nested_qmap.cpp
Last active March 26, 2021 11:41
Nested QMap with std::array
#include <QMap>
#include <QString>
#include <QDebug>
#include <array>
int main(int argc, char *argv[])
{
enum Gnss { Phoenix, Serell };
enum ImuType { VH301, VD231, Seldov };
@raghunayak
raghunayak / nested_qmap.cpp
Created March 26, 2021 11:03
Nested QMap example
#include <QMap>
#include <QString>
#include <QDebug>
int main(int argc, char *argv[])
{
enum VehicleManufacturer { Toyota, Holden };
enum VehicleType { HatchBack, Coupe, Sedan };
@raghunayak
raghunayak / enable_vnc_ubuntu.sh
Created July 29, 2020 11:43
#!/usr/bin/env bash
# Immediately exit upon any failures, or undefined variable usage
set -ue
# Enable Ubuntu included VNC server
echo "Enabling VNC server"
export DISPLAY=:0
gsettings set org.gnome.Vino enabled true
gsettings set org.gnome.Vino prompt-enabled false
@raghunayak
raghunayak / qt_msvc_dev_console_win32.bat
Created July 26, 2020 13:55
:: Call this batch file with source directory as command line argument.
@echo off
if ["%~1"]==[""] (
goto end
)
if exist %~s1 (
if exist %~s1\NUL (
set dir_set=1
cd %~1
)
@raghunayak
raghunayak / get_qt_creator_nightly_build.sh
Last active July 25, 2020 14:02
URL="https://download.qt.io/snapshots/qtcreator/"
main_ver=$(wget -qO- ${URL} | sed 's/</\'$'\n''</g' | sed -ne '/<table>$/,$ p' | grep -m1 -oP 'href="\K\d+\.\d+\.?\d*')
URL=${URL}${main_ver}/
sub_ver=$(wget -qO- ${URL} | sed 's/</\'$'\n''</g' | sed -ne '/<table>$/,$ p' | grep -m1 -oP 'href="\K\d+\.\d+\.?\d*')
URL=${URL}${sub_ver}/
package=$(wget -qO- ${URL} | sed 's/</\'$'\n''</g' | sed -ne '/<table>$/,$ p' | grep -m1 -oP 'href=".+">\K(.+\.run)')
wget -c $URL$package
@raghunayak
raghunayak / palindrome.c
Last active July 20, 2020 14:18
/*
* Copyright (C) 2020 Raghavendra Nayak
*
* Permission to use, copy, modify, and/or distribute this software for any purpose
* with or without fee is hereby granted.
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
@raghunayak
raghunayak / pizza_decorator_design_pattern.cpp
Created July 16, 2015 11:02
decorator design pattern example with Pizza
/*
* (c) 2015 Raghavendra Nayak, All Rights Reserved.
* www.openguru.com/
*/
#include <iostream>
#include <string>
// Pizza is the abstract base for all concrete Pizza implementations
class Pizza {