pcolby’s gists

pcolby / cpu.sh

Created September 14, 2013 04:29

Calculating CPU Usage from /proc/stat

	#!/bin/bash
	# by Paul Colby (http://colby.id.au), no rights reserved ;)

	PREV_TOTAL=0
	PREV_IDLE=0

	while true; do
	CPU=(`cat /proc/stat \| grep '^cpu '`) # Get the total CPU statistics.
	unset CPU[0] # Discard the "cpu" prefix.
	IDLE=${CPU[4]} # Get the idle CPU time.

pcolby / xmlToVariant.cpp

Last active December 28, 2022 19:44

Sample function for parsing a QXmlStreamReader (or part thereof) to a QVariant tree.

	QVariantMap xmlStreamToVariant(QXmlStreamReader &xml, const QString &prefix = QLatin1String("."), const int maxDepth = 1024)
	{
	if (maxDepth < 0) {
	qWarning() << QObject::tr("max depth exceeded");
	return QVariantMap();
	}

	if (xml.hasError()) {
	qWarning() << xml.errorString();
	return QVariantMap();

pcolby / install-aws-php-sdk.sh

Created October 6, 2013 07:24

Near-trivial notes on how to install the official AWS PHP SDK on RHEL-based boxes.

	sudo yum install php php-pear
	sudo pear channel-discover guzzlephp.org/pear
	sudo pear channel-discover pear.amazonwebservices.com
	sudo pear channel-discover pear.symfony.com
	sudo pear install aws/sdk

pcolby / init_rpm.sh

Created December 3, 2013 22:53

Initialise RPM build environment

	mkdir -p ~/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
	echo '%_topdir %(echo $HOME)/rpmbuild' > ~/.rpmmacros

pcolby / Badges.sh

Last active August 29, 2015 14:00

	#!/bin/bash

	if [ $# -lt 2 ]; then
	echo "Usage: `basename $0 .sh` github-username github-project-name" >&2
	exit 1
	fi

	# @brief Generate Markdown.
	# @param $1 Image alt text.
	# @param $2 Image URL.

pcolby / ! XPS 13.md

Last active August 24, 2017 19:50

XPS 13 9343

Just some notes on my XPS 13 (9343) setup.

See also mpalourdio/xps13.

DP-1
  -> DP-1-1
    -> DP-1-1-1: Dell 2007FPB (Left)  [eVGA DP3]
    -> DP-1-1-2: Dell 2007FPB (Right) [eVGA DP2]
 -&gt; DP-1-2: Dell U3014 (Middle) [eVGA DP1]

pcolby / ! Bootstrap.md

Last active August 29, 2015 14:17

Bootstrapping new OSes

TODO

eg

# sudo yum install git || sudo apt-get install git
git clone https://gist.github.com/9ca8b78f57ed5af5e40d.git bootstrap
pushd bootstrap
bash './Bootstrap ....sh'
popd

pcolby / bootstrap

Created June 5, 2015 04:34

Bootstrapping out-of-source builds

	#!/bin/bash

	declare -A CC CXX SPEC
	CC=( [clang]=clang [gcc]=gcc )
	CXX=( [clang]=clang++ [gcc]=g++ )
	SPEC=( [clang]=clang [gcc]=g++ )

	SOURCE_DIR=`pwd`
	TOPDIR=~/tmp/build

pcolby / PrintableVariant.cpp

Created July 1, 2015 06:01

A printable variant for QtTest

	// Usage: QCOMPARE(PrintableVariant(v1), PrintableVariant(v2));
	// Note, QTest will still limit output to 1024 chars in QTestResult::compare

	class PrintableVariant : public QVariant {
	public: PrintableVariant(const QVariant &other) : QVariant(other) { }
	};

	namespace QTest {
	template<> char *toString(const PrintableVariant &variant){
	QString string;

pcolby / fetch-screesaver-videos.sh

Created August 13, 2016 03:01

	#!/bin/bash

	COLLECTIONS_DIR=~/.kodi/addons/screensaver.video/resources/collections
	VIDEOS_DIR=~/.kodi/userdata/addon_data/screensaver.video/videos

	while IFS= read -d '' -r COLLECTION; do
	echo "$COLLECTION"
	VIDEOS=`awk 'BEGIN{FS="[<>]";OFS="\|"}{if($2=="filename")FILENAME=$3;if($2=="primary")print FILENAME,$3}' "$COLLECTION"`
	for VIDEO in ${VIDEOS[@]}; do
	FILENAME=`echo "$VIDEO" \| cut -d'\|' -f1`

Paul Colby pcolby