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Structural Constraints of Relationships in ER Model
Prerequisite – ER Model To understand Structural Constraints, we must take a look at Cardinality Ratios and Participation Constraints. Cardinality Ratios of relationships : The… Read More
DBMS-ER model
DBMS
GATE CS
PyQt5 – Beats and Breaths Calculator
In this article we will see how we can create a heart beats and breaths calculator using PyQt5. Below is how the calculator will look… Read More
PyQt-exercise
Python-gui
Python-PyQt
Python
How to implement Google Login in your Web app with Firebase ?
Firebase offers a great number of options to implement Login in your app. Some of which are: Using Email. Using Phone number. Using Google. Using… Read More
Web Technologies
Node.js Securing Apps with Helmet.js
Helmet.js is a Node.js module that helps in securing HTTP headers. It is implemented in express applications. Therefore, we can say that helmet.js helps in… Read More
Node.js-Misc
Node.js
Web Technologies
Difference between B tree and B+ tree
B-Tree: B-Tree is known as a self-balancing tree as its nodes are sorted in the inorder traversal. In B-tree, a node can have more than… Read More
B and B+ Trees
Advanced Data Structure
DBMS
Difference Between
DSA
Tree
Difference between Shared Memory Model and Message Passing Model in IPC
Prerequisite – Inter-Process Communication  1. Shared Memory Model: In this IPC model, a shared memory region is established which is used by the processes for data… Read More
Computer Subject
Difference Between
Operating Systems
High performance Computing
It is the use of parallel processing for running advanced application programs efficiently, relatives, and quickly. The term applies especially is a system that function… Read More
Computer Organization & Architecture
Computer Subject
Difference between Assertions and Triggers in DBMS
1. What are Assertions? When a constraint involves 2 (or) more tables, the table constraint mechanism is sometimes hard and results may not come as expected.… Read More
DBMS-SQL
DBMS
Difference Between
GATE CS
SQL
CATA protocol in Computer Network
Collision Avoidance Time Allocation (CATA) Protocol is a Contention Based MAC Protocols with Reservation which is based on dynamic topology dependent transmission scheduling. In this,… Read More
Computer Networks
DFD for ATM system
DFD (Data Flow Diagram) of an ATM System consist of two levels of DFD. These levels are Level 0 DFD and Level 1 DFD. Both… Read More
Software Engineering
How to fetch data from localserver database and display on HTML table using PHP ?
In this article, we will see how we can display the records in an HTML table by fetching them from the MySQL database using PHP. … Read More
PHP-Questions
PHP
PHP Programs
Web Technologies
What is the practical use for a closure in JavaScript?
In JavaScript, closures are defined as inner functions that have access to variables and parameters of outer function even after the outer function has returned.… Read More
JavaScript-Misc
Picked
JavaScript
Web Technologies
10 CSS Selectors Every Developer Should Know
What’s the first thing for any website to create a good impression on a user? …  Yes…it’s the user interface for any website. Every developer… Read More
CSS
GBlog
Web Technologies
How to validate MAC address using Regular Expression
Given string str, the task is to check whether the given string is a valid MAC address or not by using Regular Expression. A valid… Read More
Computer Networks-IP Addressing
CPP-regex
java-regular-expression
regular-expression
Computer Networks
DSA
Pattern Searching
Strings
Express app.post() Function
In this article, we will learn about `app.post()` routing HTTP POST requests to the defined path, executing specified callback functions. Syntax: app.post(path, callback [, callback… Read More
Express.js
Volkswagen IT Services
Node.js
Web Technologies
Console readLine() method in Java with Examples
The readLine() method of Console class in Java is of two types: 1. The readLine() method of Console class in Java is used to read… Read More
Java-Functions
Java-IO package
Java
Introduction to NPM scripts
NPM is a Node Package Manager. It is the world’s largest Software Registry. This registry contains over 800,000 code packages. Many Open-source developers use npm… Read More
Node.js-Misc
JavaScript
Node.js
Web Technologies
Selenium Python Tutorial
Selenium is a powerful tool for controlling web browsers through programs and performing browser automation. It is functional for all browsers, works on all major… Read More
Python Selenium-Exercises
Python-selenium
selenium
Python
Selenium
Software Testing
How to import JSON File in MongoDB using Python?
Prerequisites: MongoDB and Python, Working With JSON Data in Python MongoDB is a cross-platform document-oriented and a non relational (i.e NoSQL) database program. It is… Read More
Python-mongoDB
Python
PyQt5 – Number Guessing Game
In this article we will see how we can create a number guessing name using PyQt5. The Number guessing game is all about guessing the… Read More
PyQt-exercise
Python-gui
Python-PyQt
Python
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