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# 生成 dhparam.pem 文件, 在命令行执行任一方法:

# 方法1: 很慢
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048

# 方法2: 较快
# 与方法1无明显区别. 2048位也足够用, 4096更强
openssl dhparam -dsaparam -out /etc/nginx/ssl/dhparam.pem 4096

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/*  
 * Amount2RMB.java 2008-6-15   
 */  
package test;   
  
import java.util.regex.Matcher;   
import java.util.regex.Pattern;   
  
public class Amount2RMB {   
    private static final Pattern AMOUNT_PATTERN =    

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#!/usr/bin/python

# Modified by Travis Lee
# Last Updated: 4/21/14
# Version 1.16
#
# -changed output to display text only instead of hexdump and made it easier to read
# -added option to specify number of times to connect to server (to get more data)
# -added option to send STARTTLS command for use with SMTP/POP/IMAP/FTP/etc... 
# -added option to specify an input file of multiple hosts, line delimited, with or without a port specified (host:port)

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# coding: utf-8
import os
import shutil
import time
import math
from PIL import Image, ImageDraw
import random


# === 思路 ===

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# see How to Install Redis Server on CentOS 7 - http://linoxide.com/storage/install-redis-server-centos-7/

# --- Compiling ---
$ yum install gcc make tcl
$ REDIS_VER=3.2.3
$ wget http://download.redis.io/releases/redis-$REDIS_VER.tar.gz
$ tar xzvf redis-$REDIS_VER.tar.gz
$ cd redis-$REDIS_VER
$ make
$ make test

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s/NUMBER(22,0)/BIGINT/
s/NUMBER(9,0)/INT/
s/NUMBER(8,0)/INT/
s/NUMBER(6,0)/MEDIUMINT/
s/NUMBER(5,0)/SMALLINT/
s/NUMBER(3,0)/TINYINT/
s/NUMBER(2,0)/TINYINT/
s/NUMBER(1,0)/BIT/
s/NUMBER(16,2)/DECIMAL(16,2)/
s/NUMBER(11,2)/DECIMAL(11,2)/

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function treeify(/*Array*/ flatItems) {
    var tree = [], index = {};

    flatItems.forEach(function (item) {
        var nodes;

        if(item.parent){
            var parentNode = index[item.parent];
            if(!parentNode.nodes){
                parentNode.nodes = [];

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const AsciiTable = require("ascii-table");

class LuckyDraw {

    constructor(gifts) {
        this.gifts = gifts;
    }

    analyzeOdds() {
        const totalOfPriority = this.gifts.reduce((memo, gift) => memo + gift.priority, 0);