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What is DHT(Distributed Hash table)?

Suppose you want to store your data where you can easily perform search, read, and write operations. The most efficient way would be to store them as key-value pairs as a map. While maps will be quick in performing all such operations, they have one limitation: they are only stored locally on a single computer.

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Manvi Sharma

The Complete Guide to System Design

Why should I learn system design? Over the last two decades, there have been a lot of advancements in large-scale web applications. These advancements have redefined the way we think about software development. All of the apps and services that we use daily, like Facebook, Instagram, and Twitter, are scalable systems.

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Amit Kumar

SQL (Part2)

Hi everyone, Today we will discuss JOINS and Unions SQL Aliases: SQL aliases give a table, or a column in a table, a temporary name. They are often used to make column names more readable. An alias only exists for the duration of that query. An alias is created with the AS keyword. SELECT column_name AS alias_name FROM table_name;

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Manvi Sharma

Principles of UX Design Psychology (Part 3)

The principle of socialization: The principle of socialization Humans are social beings, and this has also translated into our use of technology. Nowadays we rely on technology for social interactions more than ever before, and this aspect of life should be reflected in our designs.

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Chetna Grover

Scheduling Jobs in Node.js

Do you wish to automate certain tasks on your application server and free yourself from the burden of manual execution? Are you looking to avoid the hassle of remembering to periodically manage data transfer or cleanup on different parts of the server? Enter cron job schedulers, a widely adopted solution for automating such tasks.

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Manvi Sharma

What is initState() In Flutter?

In this post we will go through the initState method of the flutter initState() This is the first method called when the widget is created ,initState is called once and only once when the Stateful Widget is inserted in the widget tree. We generally override this method if we need to do some sort of initialization work .

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Sailesh Verma

Centrifugo

Centrifugo stands as an open-source and highly scalable real-time messaging server. It excels at swiftly transmitting messages to users of an application who are connected through various supported communication channels, including WebSocket, HTTP-streaming, SSE/EventSource, WebTransport, GRPC, and SockJS. One of Centrifugo's defining features is its utilization of channels, making it an essential user-centric PUB/SUB (publish-subscribe) server. Centrifugo is a versatile solution that transcends programming languages, making it suitable for creating an array of applications, including chat apps, live commenting systems, multiplayer games, real-time data visualizations, collaborative tools, and more.

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Manvi Sharma

Data Definition Language (DDL)

Today we will discuss more about DDL commands- a. CREATE It is used to create a new table in the database. Syntax: 1. CREATE TABLE TABLE_NAME (COLUMN_NAME DATATYPES[,....]); Example: 1. CREATE TABLE EMPLOYEE(Name VARCHAR2(20), Email VARCHAR2(100), DOB DATE); b. DROP TABLE Example 1. DROP TABLE EMPLOYEE;

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Shalini Chauhan

Svelte Store - Part 2

This is the part 1-> https://fifo.im/p/bry4ezmuif30 and let's discuss more about Svelte Stores. To get the value of the store variable once, you can use the get() function exported by svelte/store: import { writable, get } from 'svelte/store' export const username = writable('Guest') get(username) //'Guest'

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Shalini Chauhan

Data fetching in Next.js

When fetching data in Next.js, we have following options- It is important to understand the different approaches when trying to create pages that include dynamic data whether that’s being pulled in at compile time, rendered on the server, or fetched in the browser client-side.

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Shalini Chauhan

Svelte Readable Stores

Readable stores are special because they can't be updated from the outside - there's no set() or update() method. Instead, once you set the initial state, they can't be modified from the outside. The official Svelte docs show an interesting example using a timer to update a date.

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Shalini Chauhan

Principles of UX Design Psychology (Part-1)

The Principle of Least Effort: It is rather straightforward and self-explanatory. People try to finish activities with the least amount of effort feasible. The simplest algorithm is always the most attractive one; this rule applies to not just people but also to animals and even machines.

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Chetna Grover

DNA as Data Storage 😕 ?

Over the decades, storage technology has evolved and gotten better. It has moved from CDs and floppy disks to hard and solid-state drives. But still, we have a problem: the amount of storage available and being produced can't cope with the data we keep producing. So can data be stored in DNA ? Lets discuss : )

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Sailesh Verma

Understanding Database Types

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). They help store large volumes of data in one place. Multiple users can read and modify the data at the same time. They are searchable and sortable, so the data you need can be found quickly and easily.

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Manvi Sharma

Docker Images and Containers:- The core building blocks

Hello everyone, In the last post, we discussed the basic overview of Docker. In this post, we will dive deeper, install and setup Docker in our system, and use it in a small demo application to understand the core building blocks of Docker:- Images and Containers.

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Manvi Sharma

Efficient Batch Updates with Mongoose in MongoDB

Introduction MongoDB is a popular NoSQL database that allows developers to store and manipulate data flexibly and schema-less. Mongoose is an Object Data Modeling (ODM) library for MongoDB in Node.js that provides a structured schema and validation layer on top of the database. When dealing with large datasets, performing updates efficiently to avoid performance bottlenecks is essential.

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Manvi Sharma

Is "Later" your cup of tea: A Comprehensive Review

Have you ever wondered if there's a single tool that can truly revolutionize your B2B business operations? Well, the search for that game-changer might just end here. Welcome to our in-depth LATER review, where we embark on a journey to uncover the extraordinary potential of this exceptional platform. In the following pages, we'll leave no stone unturned as we explore the features, capabilities, and real-world advantages that LATER has in store for your business.

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Rob Den

TermScout in 2023: Worth it or not?

Have you ever wished for a tool that could unravel the complexities of B2B contracts and empower your business with critical insights? In one sentence, TermScout is precisely that tool. In this blog, we embark on a journey to uncover the immense potential of TermScout in the realm of B2B operations in 2023. We will explore its unique features, delve into practical use cases, and provide a structured evaluation matrix. By the end of this journey, you'll be equipped with the knowledge needed to make an informed decision.

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Rob Den

Is useEffect a bad place to make API calls.

The design choices made my react team in useEffect hook are still a heated debate. Some people like it and some people don’t. If you are not from react world you might find it strange that the default behaviour of useEffect is dreaded Infinite Render Loop.

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Manvi Sharma

Docker: Managing data with Volumes (Part 1)

Hello everyone, In the last post, we learned to perform various operations with containers and images. In this post, we will explore volumes, which are like state management for running applications with docker. We will discuss different kinds of data we encounter while working with docker. We will learn about different kinds of volumes, and explore anonymous and named volumes in detail by discussing their implementation in a node server application. We will create these volumes in our system.

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Manvi Sharma

Introduction to Express-

Express is a Web Framework built upon Node.js. Node.js is an amazing tool for building networking services and applications. Express builds on top of its features to provide easy to use functionality that satisfies the needs of the Web Server use-case. It's Open Source, free, easy to extend and very performant.

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Shalini Chauhan

How to build Responsive Designs for your website using different CSS Frameworks?

Responsive design allows your website content to flow freely across all screen resolutions and sizes, and renders it to look great on all devices. So let's checkout how to make a website responsive using various CSS Frameworks available!

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Ishita

What’s New In Flutter 3.3 ?

Global Selection Flutter now provides the easiness of selecting the whole data in the web apps with a single sliding gesture by wrapping your widgets with SelectableArea widget. This not only provides richer & smoother control, but also lessen take a miss in certain places.

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Sailesh Verma

Intro to TensorFlow:

A complete open source machine learning platform is called TensorFlow. The class concentrates on using a specific TensorFlow API to create and train machine learning models, despite the fact that TensorFlow is a robust system for managing all parts of a machine learning system.

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Yash Sharma

Capacitor

Hello everyone, Today we will discuss Capacitors What is Capacitor? Capacitor is a free and open-source (MIT-licensed) platform that enables web developers to build cross-platform apps with standard web technology that runs in modern browsers. Capacitor consists of native platform SDKs (iOS and Android), a command line tool, a plugin API, and pre-made plugins.

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Manvi Sharma

What is Compiler?

A compiler is a software program that takes source code written in a programming language and converts it into a machine-readable form that can be executed. The process of compiling a program involves translating the source code into object code, which can then be run on a computer or device.

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Amit Kumar

Google Bard~

Bard is a generative AI chatbot powered by LaMDA. Google has just released Bard, its answer to ChatGPT, and users are getting to know it to see how it compares to OpenAI’s artificial intelligence-powered chatbot. The name ‘Bard’ is purely marketing-driven, as there are no algorithms named Bard, but we do know that the chatbot is powered by LaMDA.

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Sailesh Verma

Five elements of UX design

The five elements of UX design are a framework of UX designers' steps to turn an idea into a working product. This framework has a bottom-to-top structure. On each plane, the issues we must deal with become less abstract and more concrete. These are Five Elements ( from bottom to top ):

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Anushka

Transform Your Images into Captivating Advertisements with Zyng!

In the world of advertising, visual appeal is paramount. A captivating image has the power to grab attention, convey a message, and leave a lasting impression. However, creating stunning advertisement visuals often requires expertise in graphic design and expensive software tools. That's where Zyng comes in - a tool that simplifies the process of transforming ordinary images into eye-catching advertisements.

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Harshik Pulavarthy

How to Parse JSON in Dart/Flutter

Parsing JSON is a very common task for apps that need to fetch data from the Internet. And depending on how much JSON data you need to process, you have two options: write all the JSON parsing code manually automate the process with code generation Encoding and Decoding JSON When a JSON response is sent over the network, the entire payload is encoded as a string. But inside our Flutter apps, we don't want to extract the data from a string manually:

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Shalini Chauhan

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