If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.

Multiples of 3 or 5

The sum of the squares of the first ten natural numbers is

Sum square difference

The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.

Summation of primes

RSA is a public-key cryptosystem that is widely used for secure data transmission. It is also one of the oldest. The acronym RSA comes from the surnames of Ron Rivest.

Encrypt By RSA Algorithm

I would recommend not using synchronous fs methods where possible

Asymmetric Encryption using Nodejs Crypto module

How to deploy application to google cloud run?

Deploy To Google Cloud Run

In Go, the context package provides a powerful mechanism for managing the lifecycle of operations and propagating cancellation signals across goroutine.

Context in GoLang

The data which is stored in the database at a particular moment of time is called an instance of the database

Database Design Fundamentals For Software Engineers | Schemas and Instances

A database model is a type of data model that determines the logical structure of a database.

Database Design Fundamentals For Software Engineers | Data Models

In the database approach, ideally, each data item is stored in only one place in the database. This is known as data normalization.

Database Design Fundamentals For Software Engineers | Benefits of using the database approach

A database system is self-describing because it not only contains the database itself.

Database Design Fundamentals For Software Engineers | Characteristics of the Database Approach

DBMS, It's a collection of programs that enable the users of the organization to create and maintain databases and control all access to them

Database Design Fundamentals For Software Engineers | Database Management System (DBMS)

A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS).

Database Design Fundamentals For Software Engineers | Introduction & File-based system

A database, It's  a shared collection of related data.

Database Design Fundamentals For Software Engineers | What is Database?

The Internet is a network of networks, that make us ask ourselves what is the Network.

What is the Internet?

It is a term to describe **DTL**, or **Distributed Ledger Technology**, Blockchain is used to create a storage system for data in a **distributed** and **immutable** manner.

Blockchain

Git stash is a built-in command with the distributed Version control tool in Git that locally stores all the most recent changes in a workspace and resets the state of the workspace to the prior commit state.

Git Stash

Branching is a feature available in most modern version control systems.

Git Branching

Git is a software program, it's easy to install on your local PC, based on you operating system.

Git Basics

Git is software for tracking changes in any set of files, usually used for coordinating work among programmers collaboratively developing source code during software development.

Introduction To Git

During git rebase origin/development the following error message is shown from Git

Git refusing to merge unrelated histories on rebase

How to change the uri url for a remote git repository

How to delete all commit history in git/github

How to Get Started with GraphQL and Node.js

How do I rename a local Git branch?

Cherry picking in Git

Git Fetch vs Pull: What's the Difference Between the Git Fetch and Git Pull Commands?

Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers.

Docker

Memoz is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported, Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.

Memoz

In computer programming, a callback, also known as a “call-after” function, is any executable code that is passed as an argument to other code

Callback Functions In JavaScript

TypeScript can infer variable types from initial values and return statements. Even still, we may not know exactly what type inference to expect when dealing with arrays

Array Type Inference

Generate TOTP

Heroku - How to see all the logs

How to install typescript on Ubuntu

Sleep function

Create uuid (unique id)

How to run command line by nodejs

How to take backup and restore backup in MongoDB

HTML Editors

Introduction to HTML

How To Install MongoDB in Fedora 34/33

What is URI, URL, and URN? What are the differences between them? When should we use each of them?

URI Vs. URL Vs. URN

JavaScript Functions Composition

MongoDB notes

Redis Hashes are maps between the string fields and the string values.

Hashes In Redis

Redis Sorted Sets are, similarly to Redis Sets, non repeating collections of Strings. The difference is that every member of a Sorted Set is associated with a score

Sorted Set In Redis

A message queue is a queue of messages sent between applications. It includes a sequence of work objects that are waiting to be processed.

Redis Message Queue

How to create a random int number between range?

Random integer number

The blog template supports posts in nested sub-folders. This can be used to group posts of similar content e.g. a multi-part course. This post is itself an example of a nested route!

A surprising feature of JavaScript optional chaining

Naming Conventions

De Duplicated

Error Handler E2

Redis internally uses a hash table to store the elements as a Set.

Sets In Redis

The Redis database internally stores List as a linked list. This linked list has a `head` and `tail`

Storing Lists in Redis

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker

Introduction to redis and Strings in Redis

Spread Syntax

Summations the multiple numbers

Arrays in typescript

Type Inferences

TypeScript Enums

Function Types

Functions in TypeScript

Continuous integration is a DevOps software development practice where developers regularly merge their code changes into a central repository

What is Continuous Integration?

What is proxy server ?

What is a server

Variables & Variables Naming In JavaScript

Generic Functions in TypeScript

Generic Types in TypeScript

Object Types in TypeScript

String Enums vs. Numeric Enums in TypeScript

Tuples in TypeScript

In the tutorial  we will learning how to upload files by nodejs & html without any third party package

All Posts

Multiples of 3 or 5

Sum square difference

Summation of primes

Encrypt By RSA Algorithm

Asymmetric Encryption using Nodejs Crypto module