v0y4g3r

<project>
<!-- 阿里云maven仓库 -->
    <repositories>
        <repository>
            <id>public</id>
            <name>aliyun nexus</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
            <releases>
                <enabled>true</enabled>
            </releases>

v0y4g3r

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-shade-plugin</artifactId>
    <version>2.4.1</version>
    <executions>
        <execution>
            <phase>package</phase>
            <goals>
                <goal>shade</goal>
            </goals>

v0y4g3r

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>edu.pkusz.netlab</groupId>
    <artifactId></artifactId>
    <version>1.0-SNAPSHOT</version>

v0y4g3r

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN" strict="true" name="XMLConfigTest" packages="org.apache.logging.log4j.test">
    <Properties>
        <Property name="baseDir">${sys:catalina.home}/logs</Property>
        <Property name="filename">${baseDir}/Smartlock-Web.log</Property>
        <Property name="errorFileName">${baseDir}/Smartlock-Web-err.log</Property>
    </Properties>
    <Filter type="ThresholdFilter" level="trace"/>

    <Appenders>

v0y4g3r

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId></groupId>
    <artifactId></artifactId>
    <version>1.0-SNAPSHOT</version>

v0y4g3r

sudo iptables -A INPUT -i lo -j ACCEPT
sudo iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
sudo iptables -A INPUT -m conntrack --ctstate INVALID -j DROP

sudo iptables -A INPUT -p tcp --dport {SSHD_PORT} -s 219.223.0.0/16 -j ACCEPT 
sudo iptables -A INPUT -p tcp --dport {SSHD_PORT} -j REJECT --reject-with icmp-host-unreachable
sudo iptables -A INPUT -j REJECT --reject-with icmp-host-unreachable

sudo iptables -A OUTPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT

v0y4g3r

import java.util.Arrays;
import java.util.BitSet;
import java.util.Scanner;

public class Main {

    static int h(int[] nums, int dif) {
        BitSet b = new BitSet();

        for (int i : nums) {

v0y4g3r

效果：

digraph g{
    rankdir=LR;
    node [shape=record,width=01,height=.1];

    a[shape=plaintext,label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
        <TR><TD PORT="a" BGCOLOR="gray">Hash Table</TD></TR>
        <TR><TD PORT="b">Node</TD></TR>
        <TR><TD PORT="c">Node</TD></TR>

v0y4g3r

[{"sections":[{"urls":[],"urlPrefixes":[],"domains":[],"regexps":["https?://(www|encrypted|images|translate|accounts|books|photos).google.(com|([a-z]{2}))(.[a-z]{2})?/(?!mobile|flights|intl|alerts|finance|calendar|nexus|contacts|services|voice|maps|dashboard|settings|android|adsense|analytics|doodles|chrome|fonts|patents|translate_p).*"],"code":"/*** Main page ***/\r\nbody {\r\n    background: #252525!important;\r\n    color: #e8e8e8!important;\r\n}\r\n.footerInner  {\r\n\tbackground: #1b1b1b!important;\r\n\tborder-color: #333!important;\r\n}\r\n/* Buttons */\r\n.jhp input[type=\"submit\"], .sbdd_a input, .gbqfba, .gb_Fa, .ab_button, #smb, #gbw > div > div > div.gb_yc.gb_xg.gb_R > div.gb_hb.gb_3c.gb_xg.gb_R.gb_g > div.gb_rb.gb_fa.gb_g > div.gb_Eb > div:nth-child(1) > a, #gb_71, .gb_Fa, #gb a.gb_Fa.gb_Fa, .gb_Ha {\r\n    background-image: -moz-linear-gradient(top,#3a3a3a,#313131)!important; /* FF3.6+ */\r\n\tbackground-image: -webkit-linear-gradient(top,#3a3a3a,#313131)!important; /* Chrome10+,Safari5.1+ */\r\

v0y4g3r

#! /bin/bash

in=$1

if [ -z "$in" ]
then
  in=$(cat -)
fi

if [ -z "$in" ]