cybertxt

#set connection data accordingly
source_host=localhost
source_port=6379
source_db=0
target_host=localhost
target_port=6379
target_db=1

#copy all keys without preserving ttl!
redis-cli -h $source_host -p $source_port -n $source_db keys \* | while read key;

cybertxt

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>

cybertxt

#include <uv.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#define WORKER_NUM 10

uv_thread_t worker_tid[WORKER_NUM];
uv_async_t async[WORKER_NUM];
uv_mutex_t mutex[WORKER_NUM];

cybertxt

/**
# -*- coding:UTF-8 -*-
*/

#include "json_parser.hpp"
#include <assert.h>

static JO _g_jo_empty;

JO::JO()

cybertxt

MP4

C:\youtube-dl.exe -f 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best' 'https://www.youtube.com/watch?v=mgHxHIPcjbw' --proxy https://localhost:1080

cybertxt

#!/usr/bin/awk -f
BEGIN {
    dec = ARGV[1]
    for (e = 3; e >= 0; e--) {
        octet = int(dec / (256 ^ e))
        dec -= octet * 256 ^ e
        ip = octet delim ip
        delim = "."
    }
    printf("%s\n", ip)

cybertxt

#                                                                                                        
#   STL GDB evaluators/views/utilities - 1.03
#
#   The new GDB commands:                                                         
# 	    are entirely non instrumental                                             
# 	    do not depend on any "inline"(s) - e.g. size(), [], etc
#       are extremely tolerant to debugger settings
#                                                                                 
#   This file should be "included" in .gdbinit as following:
#   source stl-views.gdb or just paste it into your .gdbinit file

cybertxt

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <time.h>
#include <assert.h>

#ifdef _WIN32
#include <Windows.h>
#else
#include <unistd.h>
#endif

cybertxt

四则运算（挑战出题）解答之轮子哥版

先看看题目：结对编程-四则运算（挑战出题）

以下思路来自轮子哥:

• 轮子哥-知乎
• 轮子哥-github

故事

cybertxt

#include <stdint.h>

uint32_t time31_hash_bin(const void* data, uint32_t length)
{
    uint32_t hash = 0;
    const uint8_t* p = (const uint8_t*)data;
    const uint8_t* pend = p + length;
    for(; p < pend; ++p)
        hash = (hash<<5) - hash + *p;
    return hash;