Ramona Harrison ramonaharrison

Morning Challenge

1) Given an string, write a method called HashMap<String, Integer> countTheLetters(String input) that returns a map containing a count for each of each of the letters in the string. For full credit, your solution should be O(n).

countTheLetters("dog"); // returns a map containing the pairs {d: 1, o: 1, g: 1}
countTheLetters("elephant"); // returns a map containing the pairs {e: 2, l: 1, p: 1, h: 1, a: 1, n: 1, t: 1}
countTheLetters("llama"); // returns a map containing the pairs {l: 2, a: 2, m: 1}

Enable Developer Mode / USB Debugging on your device

On the device, go to Settings. If you don't see Developer Options in the list:
Go to About Phone. Scroll to the bottom and tap on Build Number 7 times to enable developer mode.
Go back to the main Settings screen. Select Developer Options, scroll to USB Debugging and enable the switch.
Plug in the device to your computer using a USB data cable.
You may be prompted to accept the RSA Fingerprint, tap Yes.

Install ADB + add it to your path

Morning Challenge ⛄

NO LAPTOPS

Given an unsorted `int[] input` and an `int k`, return the `k`th largest element in `input`.

Spy on your Access Cats database with Stetho

Add Stetho to your app/build.gradle dependencies:

dependencies {
    // ...

    // Cupboard
 compile 'nl.qbusict:cupboard:2.1.4'

Hiding API keys in local.properties

Add the API key to your local.properties file:

apiKey=<value>

Add to the root level of your app-level build.gradle file:

Morning Challenge ☀️

Think of three problems you've encountered working on individual and/or team based software projects. Write each one down on a separate index card.

	package com.nytimes.android.buggyapp;

	public class WordAnalyzer {

	public WordAnalyzer() {

	}

	public char firstRepeatedCharacter(String word) {
	for (int i = 0; i < word.length(); i++) {

	{
	"id": 1,
	"data": {
	"type": "downloadProgress",
	"url": "https://www.example.com/amazing-ar-scene",
	"totalWritten": 324071,
	"totalExpected": 578000
	}
	}

	{
	"id": 1011,
	"type": "loadScene",
	"options": {
	"sceneUrl": "https://www.example.com/amazing-ar-scene"
	}
	}

	{
	"id": 1011,
	"success": "true",
	"values": {}
	}