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Given problem says to sort the given array of objects by two properties and create a program in javascript. Understanding the problem Let's have a deep understanding of the problem statement. You will be given an array of objects with key and value. As per the problem statement we need a sorted form of that array. To implement this problem we will first sort the first column of array and then second column of array. And then again arrange it in sorted form. As we understand arrays are basic data structures in computer science. Array can also ... Read More
Merging the sorted arrays together in javascript can be done using the sorting techniques available in data structures. In this problem we will be given two sorted arrays and we have to merge them. After merging them, return a single array which is also in a sorted form. For solving this problem we will use greedy approach. What are Sorted Arrays ? In javascript arrays are the collection of similar data types and we can resize the array in run time. Sorted arrays are sequential forms of items of an array. Their order should be ... Read More
Python's implementation of a data structure known more commonly as an associative array is a dictionary. A dictionary is made up of a group of key-value pairs. Each key-value combination corresponds to a key and its corresponding value. In this article, we will learn a python program to extract dictionaries with a given Key from a list of dictionaries. Methods Used The following are the various methods to accomplish this task: Using list comprehension and keys() function Using filter() and lambda functions Using operator.countOf() method Example Assume we have taken an input list containing dictionaries and an input ... Read More
In python we can use various internal functions like isupper(), islower() and and join() that can help us adding k symbol between case shifts. The following example will help you understand what is case shift and how we can add k symbol between them. Example Assume we have taken an input string and K. We will now add the input k symbol between Case shifts using the above methods. Case shift simply means the words shifting between uppercase and lowercase. Input inputString = tUtoRialsPoInt k = ‘# Output Resultant String after adding # between caseshifts − t#U#to#R#ials#P#o#I#nt ... Read More
The problem statement says to merge duplicate elements and increase the count for every object present in the array and implement this program in javascript. Understanding the Problem To start coding we need to understand the basic functionality of the javascript functions. Predefined functions in JavaScript will complete half of our task. Merging and eliminating duplicates are the fundamental array optimization operations that can be performed. In this issue, we will define a count variable that will count how many entries there are in the array. We will go through each item in the array using the ... Read More
Python's implementation of a data structure known more commonly as an associative array is a dictionary. A dictionary is made up of a group of key-value pairs. Each key-value combination corresponds to a key and its corresponding value. In this article, we will learn how to concatenate all keys which have similar values in python. Methods Used The following are the various methods to accomplish this task: Using defaultdict() and join() functions Using dictionary comprehension, groupby() and join() functions Example Assume we have taken an input dictionary. We will now concatenate all the keys ... Read More
In the given problem, we have to merge and group object properties with the help of javascript. In this article you will learn how to merge and group the same type of properties in javascript. Understanding the Problem We are required to create a javascript method that will take in one array of objects. The created function should group all the properties of all the objects that have a value for name property. For example: Input [ {name: 'Adi', age: 22, color:'Black'}, {name: 'Adi', weight: 40, height:6} , {name: 'Mack', ... Read More
This problem statement is saying to sort an array of objects based on the length of the nested arrays in it. For example if the first nested array has 3 elements and the second array has 2 elements then put the second array in first place and the first array at the second index. Understanding the problem Sorting an array of objects based on the size of a nested array is the task we have given. For example, let's say we have an array of objects in which each object has a name property and a hobbies property, ... Read More
In this problem we will understand how to get a single array from multiple arrays and different ways to solve this problem. We will use three methods to solve this problem: the first method is with the help of the spread operator, second concat method and finally last method using push with the spread operator. Understanding the problem We have given two or more arrays and we have to concatenate them in a single array. There can be many arrays given and after concatenating them it should appear as a single array. Let’s understand with ... Read More
In the given problem statement we have to group the given data month wise. In simple terms the data should be in sorted form after grouping them month wise. For example we have years and months given in data so it should be visible in the order from January to December. As we know that Arrays are the data structures template to store data. And we can manipulate that data as per our requirement. It can store a collection of items in a single array, and has many operations to perform like adding an element, deleting an element, ... Read More