ochinchina’s gists

ochinchina / IntrusivePtrExample.cpp

Created June 3, 2014 04:25

intrusive_ptr in boost 1.55

	/**
	* This code pieces shows how to use the intrusive_ptr in the boost 1.55
	*
	*/
	#include <boost/smart_ptr.hpp>
	#include <boost/smart_ptr/intrusive_ref_counter.hpp>

	/**
	* Define our own counter and the intrusive_ptr_add_ref(), intrusive_ptr_release()
	* function for intrusive_ptr<Test1>

ochinchina / CsvParser.hpp

Last active May 25, 2020 13:32

A lightweighted Csv parser in C++ language

ochinchina / HexPrint.cpp

Created June 18, 2014 05:11

convert a binary string to HEX format

	#include <string>
	#include <iostream>

	using std::string;

	std::string hexPrint( const char* s, int n ) {
	std::string result;
	char buf[4];

	for( int i = 0; i < n; i+= 16 ) {

ochinchina / redis_streambuf.hpp

Last active August 29, 2015 14:02

implement std::streambuf with redis as storage. This piece code depends on the redis c client library hiredis

	#include <hiredis.h>
	#include <streambuf>
	#include <iostream>
	#include <cstring>

	class redis_streambuf: public std::streambuf {
	public:
	explicit redis_streambuf( redisContext* context, const char* key, std::size_t buf_size = 2048 )
	:context_( context ),
	key_( key ),

ochinchina / QtDynamicInvokeTest.pro

Created June 25, 2014 06:33

Demo the QT dynamic invokes

	#-------------------------------------------------
	#
	# Project created by QtCreator 2014-06-24T03:02:08
	#
	#-------------------------------------------------

	QT += core

	QT -= gui

ochinchina / ReadMe

Last active August 29, 2015 14:03

Demo the System Tray in java

	# Get these files and copy it to a directory
	# Get a .png file and rename it to coffee.png and also put the the same directory as the source file
	# compile and run it with command:

	$ java -cp . WindowNotifier

ochinchina / ReadBytesFromIStream.cpp

Created July 2, 2014 10:09

read bytes to a buffer from C++ std::istream

	#include <iostream>

	std::size_t read_bytes( std::istream& in, char* buf, std::size_t len ) {
	std::size_t n = 0;

	while( len > 0 && in.good() ) {
	in.read( &buf[n], len );
	int i = in.gcount();
	n += i;
	len -= i;

ochinchina / Makefile

Created July 7, 2014 10:05

implement barrier with the zookeeper C API, require C++11 compiler

	CPP = g++
	INCS = -I$(ZK_DIR)/src/c/include -I$(ZK_DIR)/src/c/generated
	LIBS = -L$(ZK_DIR)/src/c/.libs -lzookeeper_mt -lpthread
	CXX_FLAGS = -std=c++11

	all: barrier

	barrier: ZkBarrierTest.o
	$(CPP) -o barrier ZkBarrierTest.o $(LIBS)

ochinchina / Makefile

Created July 8, 2014 07:57

Demostrate how to select a leader from zookeeper in C API, before doing make, set the ZK_DIR environment variable

	CPP = g++
	INCS = -I$(ZK_DIR)/src/c/include -I/home/ochinchina/zookeeper-3.4.6/src/c/generated
	LIBS = -L$(ZK_DIR)/src/c/.libs -lzookeeper_mt -lpthread
	CXX_FLAGS = -std=c++11

	all: leader

	leader: ZkLeaderElection.o
	$(CPP) -o leader ZkLeaderElection.o $(LIBS)

ochinchina / ZkQueueTest.cpp

Created July 14, 2014 02:05

The zookeeper queue implementation using C API

Steven Ou ochinchina