ahmedeltaher

package com.task.data.remote

import com.task.data.Resource
import com.task.data.dto.recipes.Recipes
import com.task.data.dto.recipes.RecipesItem
import com.task.data.error.NETWORK_ERROR
import com.task.data.error.NO_INTERNET_CONNECTION
import com.task.data.remote.service.RecipesService
import com.task.utils.NetworkConnectivity
import retrofit2.Response

ahmedeltaher

class Solution {
    public int[][] kClosest(int[][] points, int k) {
        int [][] res = new int[k][2];
        PriorityQueue<int[]> maxHeap = new PriorityQueue<>(points.length,
            new Comparator<int[]>(){                                                          
            @Override
             public int compare(int[] o1, int[]o2){
                 double d1 = distance(o1);
                 double d2 = distance(o2);
                 if(d1==d2) return 0;

ahmedeltaher

class Solution {
    public int findKthLargest(int[] nums, int k) {
        PriorityQueue<Integer> maxHeap = new PriorityQueue<>();
        for(int num : nums){
            maxHeap.add(num);
            if(maxHeap.size()>k){
                maxHeap.poll();
            }
        }
        return maxHeap.poll();

ahmedeltaher

package com.algoritms;

import org.junit.Test;

import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Deque;
import java.util.HashMap;

ahmedeltaher

echo "Running detekt check..."
OUTPUT="/tmp/detekt-$(date +%s)"
./gradlew detekt > $OUTPUT
EXIT_CODE=$?
if [ $EXIT_CODE -ne 0 ]; then
  cat $OUTPUT
  rm $OUTPUT
  echo "***********************************************"
  echo "                 Detekt failed                 "
  echo " Please fix the above issues before committing "

ahmedeltaher

Interview Questions

Kotlin

Q1: What is a primary constructor in Kotlin? ☆☆

Answer: The primary constructor is part of the class header. Unlike Java, you don't need to declare a constructor in the body of the class. Here's an example:

ahmedeltaher

Interview Questions

Kotlin

Q1: What is a primary constructor in Kotlin? ☆☆

Answer: The primary constructor is part of the class header. Unlike Java, you don't need to declare a constructor in the body of the class. Here's an example:

ahmedeltaher

Core Elements in Paging library:

• PagedList.
• Data source.

PagedList:

• collection.
• loads data in pages.
• Asynchronous data loading.

DataSource:

ahmedeltaher

[
    {
        "calories": "516 kcal",
        "carbos": "47 g",
        "description": "There\u2019s nothing like the simple things in life - the smell of freshly cut grass, sitting outside on a nice sunny day, spending time with friends and family. Well here is a recipe that delivers simple culinary pleasures - some nice fresh fish with a crispy crust, crunchy potato wedges and some delightfully sweet sugar snap peas flavoured with cooling mint. Slip into something comfortable and relax into a delicious dinner!",
        "difficulty": 0,
        "fats": "8 g",
        "headline": "with Sweet Potato Wedges and Minted Snap Peas",
        "id": "533143aaff604d567f8b4571",
        "image": "https://img.hellofresh.com/f_auto,q_auto/hellofresh_s3/image/533143aaff604d567f8b4571.jpg",

ahmedeltaher

	Horizontal Scaling	Vertical Scaling
Load blancer	Required	N/A
Single point of failure	resilient	Yes, Suffering of a single point of failure
Communication	Network-Calls (RPC)	Internal process communication
Data Consistency	No	Yes
Scaling	Scales well as users increasing	HardWare limit