fhhfghGiven an unsorted array of size n. Array elements are in range from 1 to n. One number from set {1, 2, …n} is missing… Read More »

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The serializeArray() is an inbuilt method in jQuery which is used to creates a JavaScript array of objects that is ready to be encoded as… Read More »

gdfgfd gdf df g Examples: Input : Output : Input : Output : My Personal Notes arrow_drop_up Save

Consider an array of size n with initial 0 values. How many indices will contain value at least x after performing m range updates. In… Read More »

Given an unweighted directed graph, can be cyclic or acyclic. Print the number of shortest paths from a given vertex to each of the vertices.… Read More »

Building GUI applications using PYQT designer tool is comparatively less time consuming than code the widgets. It is one of the fastest and easiest ways… Read More »

Find the number of digits in the nth number constructed by using 6, 1, 4 and 9 as the only digits in the ascending order.… Read More »

Given an array of n positive integers, write a program to find the maximum sum of increasing subsequence from prefix till i-th index and also… Read More »

Given a number, your task to print the factorial of that number using pl/sql. Examples: Input : 5 Output : 120 Explanation: 5! = 5… Read More »

What is the matrix that represents rotation of an object by θ degree about the origin in 2D? (A) cos θ −sin θ sin θ… Read More »

ls | wc command : Using ls|wc, we can count new lines, words and letters of all files of current directory. We can see from… Read More »

Given an array arr[] of size n, we need to find sum of all the values that comes from ORing all the elements of the… Read More »

Given an array of integers, a number and a maximum value, task is to compute the maximum value that can be obtained from the array… Read More »

The Data Link Layer is responsible for transmission of data between two nodes. Its main functions are- Data Link Control Multiple Access Control Data Link… Read More »

Booth’s algorithm is a multiplication algorithm that multiplies two signed binary numbers in 2’s compliment notation. Booth used desk calculators that were faster at shifting… Read More »

In QuickSort, ideal situation is when median is always chosen as pivot as this results in minimum time. In this article, Merge Sort Tree is… Read More »

Given an array of N numbers, the task is to answer Q queries of the following type:- query(start, end) = Number of times a number… Read More »

Virtual LAN (VLAN) is a concept in which we can divide the devices logically on layer 2 (data link layer). Generally, layer 3 devices divides… Read More »

sar : System Activity Report It can be used to monitor Linux system’s resources like CPU usage, Memory utilization, I/O devices consumption, Network monitoring, Disk… Read More »

What are conditional wait and signal in multi-threading ? Explanation : When you want to sleep a thread, condition variable can be used. In C… Read More »