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from datetime import datetime,deltatime

s = str(1447564962575)
date = datetime.fromtimestamp(float(s[0:-3]))
milli = int(s[-3:])

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#include <sys/types.h>
#include "crc32.h"

// CRC32 lookup table for polynomial 0x04c11db7
static u_long crc_table[256] = {
        0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
        0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
        0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
        0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
        0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3,

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adb shell netcfg | head -n 1

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// http://gynvael.coldwind.pl/n/c_cpp_number_to_binary_string_01011010
void to_bin(unsigned char c, char *out) {
  *(unsigned long long*)out = 3472328296227680304ULL +
    (((c * 9241421688590303745ULL) / 128) & 72340172838076673ULL);
}

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How mount Windows Shared folder on Linux

Installation

´´´sh sudo apt-get install cifs-utils ´´´

Mount Shared Folder

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# source: https://blog.tinned-software.net/create-bootable-usb-stick-from-iso-in-mac-os-x/
$ hdiutil convert -format UDRW -o livecd.img LiveCD.iso
$ diskutil list
$ diskutil partitionDisk /dev/disk<n> 1 "Free Space" "unused" "100%"
$ diskutil unmount disk<n>s1
$ sudo dd if=antivirus_livecd.img.dmg of=/dev/disk<n> bs=1m
$ diskutil eject /dev/disk<n>

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alias msbuild="/c/Program\ Files\ \(x86\)/MSBuild/14.0/Bin/MSBuild.exe"

function ms() {
    local count_sln=`ls -1 *.sln 2>/dev/null | wc -l`
    if [[ $count_sln -eq 0 ]]; then
        echo "error: no solution in directory"
        return 1;
    fi

    local alias_is_set=`alias | grep msbuild | cut -d '=' -f 2 | tr -d "'"`

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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

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std::ostream& operator<<(std::ostream& os, REFGUID guid)
{
    char buffer[37];
    snprintf(buffer, sizeof(buffer),
        "%08lX-%04hX-%04hX-%02hhX%02hhX-%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX",
        guid.Data1, guid.Data2, guid.Data3,
        guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3],
        guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]);

    return os << buffer;

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/*
 * topn_lite.cpp
 * Copyright (C) 2015 Emiliano Firmino <emiliano.firmino@gmail.com>
 *
 * Distributed under terms of the MIT license.
 */

#include <algorithm>
#include <iostream>
#include <fstream>