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Automatically start XAMPP Apache when logging into MacOSX.

1. Create xampp.startapache.plist in /Library/LaunchDaemons with the following content :

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">

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Installing an Android ROM with your Mac via Heimdall and bash

Because every time I want to flash a new ROM, I forgot how I did it the last time.

This is how I re-flashed my unbranded Samsung Galaxy S4 (german black edition) with a stock ROM (because Cyanogenmod crashed my phone all the time). The correct Stock ROM for my Galaxy S4 is: I9505XXUHOJ2_I9505OXAHOJ2_I9505XXUHOJ2

Software you need

• adb
• heimdall (brew cask install heimdall-suite)

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import java.util.*;
public class Calculation {

  private static final String OPS = "+*/^%";
  private static ArrayList<Character> ops = new ArrayList<>();
  private static String[] vars;

  private static StringBuilder expression;

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import java.text.SimpleDateFormat;
import java.util.Date;
import java.text.ParseException;

public class MyDateUtils {
	/**
	* Convert from one format to another
	* @param date the date in string. e.g. "23/10/2014 23:45.50"
	* @param currentFormat the actual format of date. e.g. "dd/MM/yyyy HH:mm.ss"

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import android.app.Activity;
import android.support.v7.app.AlertDialog;
import android.content.DialogInterface;
import android.widget.EditText;
import android.app.*;
import android.content.*;

public class SimplePromptDialog {
	private static Activity activity;

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public void saveText(File file, String content){
try{
Formatter out = new Formatter(file);
out.format("%s", content);
out.close();
}catch(IOException ioe){}
}

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private void bgdrun() {
		final Handler handler = new Handler();
		runOnUiThread(new Runnable(){
				@Override
				public void run() {
					// update your views here.
// do not use loops in here.
					handler.postDelayed(this, 1000);
				}
			});

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public String readText(File file){
StringBuilder builder = new StringBuilder();
try{
Scanner scanner = new Scanner(file);
while(scanner.hasNext()){
builder.append(scanner.nextLine());
builder.append('\n');
}
scanner.close();
}

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private void hideKeyboard(View v) {
		try {
			InputMethodManager imm = (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
			imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
		} catch (Exception e) {}
	}

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/**
* This is the simplest method that enables you to pop a notification with a minimum requirement
* Remember to add an icon as an icon or a drawable
*/
public void popNotification(int notifId, String title, String msg){
NotificationManager nm = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);

Notification notif = new Notification.Builder(getBaseContext())
.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle(title)