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#!/usr/bin/env python3
# Http Live Streaming -- fetcher/downloader
# A simple script to download ts segments/m3u8 files from given url, including variant streams from master m3u8
# require: python3

import sys
import os
import urllib.request

TEST_URL = 'https://devimages.apple.com.edgekey.net/streaming/examples/bipbop_4x3/bipbop_4x3_variant.m3u8'

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#include <bits/stdc++.h>

#define LOG_LEVEL_VERBOSE   0
#define LOG_LEVEL_DEBUG     1
#define LOG_LEVEL_INFO      2
#define LOG_LEVEL_WARNING   3
#define LOG_LEVEL_ERROR     4

#define DEBUG_LEVEL LOG_LEVEL_INFO
#define LOG_TAG "TEST_LOG"

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#!/bin/bash

# prerequisition: pygments, `sudo pip install pygments`
# usage: copy this file to /usr/bin or create symlink in /usr/bin links to this file.
#        remember add `x` permission.

echo ""

function mycat() {
    local style="monokai"

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Windows Registry Editor Version 5.00
; add `open command prompt here` on right click option for Windows 10
; copy and paste to new created text file `cmd.reg`
; file must be saved as `ANSI` encoding

[HKEY_CLASSES_ROOT\Directory\shell\OpenCmdHere]
@="Open command prompt here"
"Icon"="cmd.exe"

[HKEY_CLASSES_ROOT\Directory\shell\OpenCmdHere\command]

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// 1, 类内声明同时定义
template <typename T>
class VectorWrapper {
public:
  VectorWrapper(const std::initializer_list<T> &list) { mVector = list; }
  friend std::ostream &operator<<(std::ostream &os, const VectorWrapper<T> &vec_w) {
    vec_w.print_l(os);
    return os;
  }
  

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use std::thread;
use std::time::Duration;
use std::collections::HashMap;

struct Cacher<T>
    where T: Fn(u32) -> u32
{
    calculate: T,
    map: HashMap<u32, u32>,
}

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macro_rules! hashmap {
    ($($key: expr => $val: expr), *) => {{
        let mut map = ::std::collections::HashMap::new();
        $(map.insert($key, $val);)*
        map
    }};
}

fn main() {
    let counts = hashmap!['A' => 0, 'C' => 1, 'G' => 2, 'T' => 3];

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package main

import "fmt"

type IPAddr [4]byte

func (addr IPAddr) String() string {
	return fmt.Sprintf("\"%v.%v.%v.%v\"", addr[0], addr[1], addr[2], addr[3])
}

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/**
 * Full impl of an ATM machine example introduced in book: C++ Concurrency in Action, chapter 4.
 */

#include <thread>
#include <iostream>
#include <string>
#include <mutex>
#include <condition_variable>
#include <queue>

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#include <type_traits>
#include <utility>
#include <iostream>
#include <tuple>
#include <functional>

template <typename T, bool Enable, typename ...Args>
class Closure;

// for function