Blasanka

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class Example {

    private JFrame frame;

aruld

import java.util.Comparator;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Stream;

public class RideTest {

    interface RideProvider {
        long getFareEstimate(String start_lat, String start_lng, String end_lat, String end_lng, String type);
    }

chrisma

Neo4J Cheatsheet

Refcard

http://neo4j.com/docs/2.1/cypher-refcard/

Database Exploration

List all labels of a node

labels(n)

List all node labels (and count them)

MATCH n

RETURN distinct labels(n), count(n) as count_n

aruld

main() {
    Map<String, int> map = {
        'one': 1,
        'two': 2,
        'twelve': 12};

    void iterateMapEntry(key, value) {
      map[key] = value;
      print('$key:$value');//string interpolation in action
    }

basavesh

package edu.cmu.cs771.hw1;

/**
 * This class implements a doubly linked list of characters in Java. 
 * The instance variables head and tail are initially null. 
 * As elements are added head points to the first element on the list and tail points to the last element. Each node on the list is of type DoubleNode. 
 * Each DoubleNode holds a pointer to the previous node and a pointer to the next node in the list. 
 * @author songluo
 *
 */

whitfin

package com.zackehh.example;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import android.content.Context;

activity_main.xml

<RelativeLayout
       xmlns:android="http://schemas.android.com/apk/res/android"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       android:padding="16dp">
 
   <TextView
        android:text="I’m in this corner"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"

New method in MainActivity.java

/**
 * This method displays the given price on the screen.
 */
private void displayPrice(int number) {
       TextView priceTextView = (TextView) findViewById(R.id.price_text_view);
       priceTextView.setText(NumberFormat.getCurrencyInstance().format(number));
}

aponxi

SQL to MongoDB Mapping Chart

SQL to MongoDB Mapping Chart¶

In addition to the charts that follow, you might want to consider the Frequently Asked Questions section for a selection of common questions about MongoDB.

Executables¶

The following table presents the MySQL/Oracle executables and the corresponding MongoDB executables.

ericwindmill

import 'package:flutter/material.dart';
import 'package:simple_inherit/state_container.dart';

class UpdateUserScreen extends StatelessWidget {
  static final GlobalKey<FormState> formKey = new GlobalKey<FormState>();
  static final GlobalKey<FormFieldState<String>> firstNameKey =
  new GlobalKey<FormFieldState<String>>();
  static final GlobalKey<FormFieldState<String>> lastNameKey =
  new GlobalKey<FormFieldState<String>>();
  static final GlobalKey<FormFieldState<String>> emailKey =