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Difference between PostgreSQL and MongoDB
1. PostgreSQL (Object-Relational Database) : PostgreSQL is a powerful, open source object-relational database management system (ORDBMS) with an emphasis on extensibility and standards compliance that uses… Read More
Picked
DBMS
Difference Between
SQL
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Deep Face Recognition
DeepFace is the facial recognition system used by Facebook for tagging images. It was proposed by researchers at Facebook AI Research (FAIR) at the 2014… Read More
Image-Processing
Neural Network
Machine Learning
S3 class in R Programming
All things in the R language are considered objects. Objects have attributes and the most common attribute related to an object is class. The command… Read More
R-OOPs
R Language
Find maximum possible value of advertising
Given M hours of advertising limit [0, M) and N advertisements each with a start time and advertising value. Each advertisement is 1 min long.… Read More
CS - Placements
DSA
Dynamic Programming
How to find length of dictionary values?
In Python, Dictionary is a collection of unordered data values. Dictionaries are also changeable and indexed. Dictionary holds key:value pair and they are written inside… Read More
python-dict
Python
Spatial Filters – Averaging filter and Median filter in Image Processing
Spatial Filtering technique is used directly on pixels of an image. Mask is usually considered to be added in size so that it has a… Read More
Image-Processing
OpenCV
Python-OpenCV
Python
Tkinter Application to Switch Between Different Page Frames
Prerequisites: Python GUI – tkinter Sometimes it happens that we need to create an application with several pops up dialog boxes, i.e Page Frames. Here… Read More
Python Tkinter-exercises
Python-tkinter
Python
Maximum Possible Rating of a Coding Contest
Given two arrays of positive integer Point[], Upvote[] of size N and a value K (1 <= K <= N). The task is to choose… Read More
Algorithms
Arrays
Data Structures
DSA
Greedy
Heap
Sorting
Number of ways to color boundary of each block of M*N table
Given a table of M * N. There are total M * N squares of size 1. You have to colour each side of all… Read More
DSA
Mathematical
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YOLO v2 – Object Detection
In terms of speed, YOLO is one of the best models in object recognition, able to recognize objects and process frames at the rate up… Read More
Image-Processing
Machine Learning
Practical Uses of nc(netcat) command in Linux
Netcat is one of the most powerful networking tools, security tools, and network monitoring tools. It acts like a cat command over a network. It… Read More
linux-command
Linux-networking-commands
Linux-Unix
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Program to find the Length of the longest substring without repeating characters in Golang
Given a string, print the longest substring without repeating characters in Golang. For example, the longest substrings without repeating characters for “ABDEFGABEF” are “BDEFGA”. Examples:… Read More
Golang-Program
Golang-String
Picked
Go Language
Connecting to the Internet Using Command Line in Linux
Many of the times you may use a Linux system that does not have a GUI after install and it needs an internet connection to… Read More
Linux-Unix
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Count subarrays with non-zero sum in the given Array
Given an array arr[] of size N, the task is to count the total number of subarrays for the given array arr[] which have a… Read More
subarray
subarray-sum
Arrays
Data Structures
DSA
Hash
Number of ways to write N as a sum of K non-negative integers
Given two positive integers N and K, the task is to count the number of ways to write N as a sum of K non-negative… Read More
Permutation and Combination
Combinatorial
DSA
Dynamic Programming
What is PERN Stack?
This stack consists of PostgreSQL, Express, React and Node.js. Combining these technologies, one can build a full-stack web application with CRUD operations. Everyone must have… Read More
Node.js
Web Technologies
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Language Translator Using Google API in Python
API stands for Application Programming Interface. It acts as an intermediate between two applications or software. In simple terms, API acts as a messenger that… Read More
Python-projects
python-utility
Project
Python
Find the minimum dominating set of a Binary tree
Given a binary tree with N nodes numbered [1, N], the task is to find the size of the smallest Dominating set of that tree.… Read More
C++ Programs
Competitive Programming
Data Structures
DSA
Dynamic Programming
Recursion
Tree
Find the Kth pair in ordered list of all possible sorted pairs of the Array
Given an array arr[] containing N integers and a number K, the task is to find the K-th pair in the ordered list of all… Read More
Arrays
C++ Programs
Competitive Programming
DSA
Mathematical
Sorting
Different Ways to Hide ActionBar in Android with Examples
ActionBar is a primary toolbar within the activity that may display the activity title, application-level navigation affordances, and other interactive items. Although Action Bar is… Read More
Android-Bars
Android
Java
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