kennethho’s gists

kennethho / gist:e280e1b020603bed01c0650d0b9bed33

Created June 2, 2017 06:57

s/gedit/sublime/ - sublime as default text editor

( head -n 1 /usr/share/applications/defaults.list && ack --match '^(?<mimetype>.+)=gedit.desktop$' --output '$+{mimetype}=sublime-text.desktop' /usr/share/applications/defaults.list ) | tee ~/.local/share/applications/defaults.list

kennethho / termux-sudo.sh

Last active October 16, 2021 05:26

Sudo for Termux

	#!/data/data/com.termux/files/usr/bin/bash
	#set -x
	SUDO_SH=/data/data/com.termux/files/usr/bin/sh

	QUOTED_SUDO_ARGS=$(printf '%q' $"$(printf '%q ' "$@")")
	#QUOTED_SUDO_ARGS=$(printf '%q ' \"$@\")
	printf '%s\n' "$QUOTED_SUDO_ARGS"

	SU_C_ARGS=("LD_LIBRARY_PATH=$PREFIX/lib" "$SUDO_SH" "-c" "$QUOTED_SUDO_ARGS")

kennethho / draft.txt

Last active August 29, 2015 13:56 — forked from evanzillians/draft.txt

	thor
	├── contrib
	│ ├── bar
	│ └── foo
	├── include
	│ └── thor
	│ ├── lib-1
	│ │ └── hdr-1.h // names in thor::lib-1
	│ └── lib-2
	│ └── hdr-2.h // names in thor::lib-2

kennethho / m_days.c

Last active December 18, 2015 18:59 — forked from moskytw/m_days.c

	#include <stdio.h>

	#define NUM_OF_ELEMENTS(array) (sizeof(array)/sizeof(array[0]))

	main() {

	int ys[] = {2011, 2012, 2100, 2400};
	int i = 0, m = 0;

	for(i = 0; i < NUM_OF_ELEMENTS(ys); i++) {

kennethho / gist:4661046

Last active December 11, 2015 21:18

	// ref: https://plus.google.com/u/0/111121989384217966500/posts/LjSZjmKGpjj

	// Tested with gcc 4.6.3
	// $ g++ -std=c++0x THISFILE && a.out

	#include <cassert>
	#include <type_traits>

	using namespace std;

kennethho / gist:3690842

Created September 10, 2012 13:14

Memory layout of STL linked list node

	struct _List_node_base
	{
	_List_node_base* _M_next;
	_List_node_base* _M_prev;
	// ....
	};

	template<typename _Tp>
	struct _List_node : public __detail::_List_node_base
	{

kennethho / filter.cpp

Created September 6, 2012 09:59

Ref: http://blog.hubert.tw/2012/09/06/filter-is-good/

	// $ g++ -std=c++0x filter.cpp
	#include <iterator>
	#include <algorithm>

	template <class Sequence, class Predicate>
	Sequence filter(const Sequence& seq, Predicate pred)
	{
	Sequence result;
	std::copy_if(begin(seq), end(seq), back_inserter(result), pred);
	return result;

kennethho / gist:3635968

Created September 5, 2012 12:40

	$ ./balad -h
	LBS mode usage:
	balad [OPSIONS...] --lsb LBS-HOST:LBS-PORT...
	RBS mode usage:
	balad [OPSIONS...] --rsb RBS-HOST:RBS-PORT:PROTOCOL-LEVEL...

	Allowed options:
	-h [ --help ] Produce this help message and exit
	-c [ --concurrency ] arg (=1) Concurrency (number of threads)
	-b [ --buffer ] arg (=1024) Size of session buffer in bytes

kennethho / gist:3089638

Created July 11, 2012 10:53

	void handle_read(const sys::error_code& error,
	size_t bytes_transferred)
	{
	if(error)
	{
	delete this;
	return;
	}

	async_write(

Kenneth Ho kennethho