hoterran

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <time.h>

// Purpose: ftruncate big file
//
// argv[1] file
// argv[2] shrinked size each loop, default is 100m

hoterran

#include <stdio.h>
#include <mysql.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

int main (int argc, char *argv[]) {

    MYSQL *mysql;
    MYSQL_RES *result;

hoterran

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

• Scaling Twitter: Making Twitter 10000 Percent Faster
• Scaling Twitter
• Blaine Cook on Scaling Twitter - YouTube

hoterran

●PHP中出现的字符串Hash函数
 
static unsigned long hashpjw(char *arKey, unsigned int nKeyLength)
{
unsigned long h = 0, g;
char *arEnd=arKey+nKeyLength; 
 
while (arKey < arEnd) {
h = (h << 4) + *arKey++;
if ((g = (h & 0xF0000000))) {

hoterran

-i ignore case of regex
-w match regex 
-q don't output any information other than packet headers and payloads
-e show empty packets
-v invert the match
-x hex as well as ASCII
-l stdout line buffered

-s snaplen 
set caplen,default 65536