dhval

#!/usr/bin/java --source 12 --class-path /Users/dhval/project/jar/poi-3.16/lib/*

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.*;

dhval

• She bang line, location of shell which bash
• Store arguments from bash in array args=("$@")
• Number of arguments count=("$#")
• Date NOW=$(date +"%m-%d-%Y")
• Print a random file files=(./*); printf "%s\n" "${files[RANDOM % ${#files[@]}]}"
• Create empty dir [ -d "./data" ] && mkdir data || rm -rf ./data/*

Iteration

Moves selected files

dhval

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.ws.config.annotation.EnableWs;
import org.springframework.ws.transport.http.MessageDispatcherServlet;

@SpringBootApplication
@EnableWs

dhval

Cheat sheets

• CLI
• DotNet
• Git
• IDE
• JQ
• Maven
• NPM
• OSX

dhval

|--- Strings |--- Char

*** String is immutable so they do not have method like reverse.

• .toCharArray()
• .split()

dhval

function FindProxyForURL(url, host) {
    PROXY = "SOCKS5 127.0.0.1:9743; SOCKS 127.0.0.1:9743"
    // PROXY = "PROXY 127.0.0.1:9743"
    // "PROXY 127.0.0.1:23870";
    alert("ABCXY request for (" + url+ " with host: " + host + ")");
    
    if(shExpMatch(url, "http://10.182.70.240*"))
      return PROXY;
    }

dhval

Some Random Code Snippets

dhval

import javax.net.ssl.*;
import java.io.*;
import java.security.KeyStore;
import java.security.MessageDigest;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

public class Test {
    private static final char[] HEXDIGITS = "0123456789abcdef".toCharArray();