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Setting Up a Modern Express API with TypeScript, Jest, ESLint, Prettier - Quick guide 2025

Setting up a modern Express API with TypeScript, Jest, ESLint, and Prettier is made easy with a quick guide.
The guide covers initializing the project, installing necessary dependencies like Express, TypeScript, Jest, Supertest, nodemon, ts-jest, ts-node, and setting up TypeScript configuration.
It also includes creating the Express app, setting up testing with Jest, adding tests for app.ts and user routes, updating package.json scripts, and configuring ESLint and Prettier for auto formatting and linting.
By following the guide, developers can easily set up a strongly typed Express API, implement testing, and automate formatting and linting processes to streamline the development workflow.

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Medium

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21st.dev: The Future Of Frontend Development

21st.dev is an open source registry for reusable React components, similar to npm for frontend components, allowing developers to discover, share, and remix UI components.
The components in 21st.dev are built with Tailwind CSS and Radix UI, offering a library of highly searchable React components uploaded by developers.
The platform offers an MCP feature that enables AI IDE assistants to create new components based on the ones submitted, supporting Cursor, Windsurf, and VS Code + Cline.
While the component library is great and easy to use, the pricing model, which is token-based with a subscription model, has raised concerns about over-monetization and the lack of open source code for the platform.

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Dev

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Why Queues Obliterate Lists in the Digital Battlefield

Queues are significantly more efficient than lists in the digital battlefield.
While list.pop(0) is slow and outdated, deque.popleft() offers blazing efficiency.
In a performance showdown, deque.popleft() outshines list.pop(0) with a vast difference in execution time.
Using queues instead of lists enhances program efficiency and ensures smoother operations in coding.

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Dev

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⚡ Boost React Performance with Lazy Loading + Suspense

Optimizing React apps is crucial for faster load times and better user experience.
Lazy loading involves breaking down JavaScript bundles into smaller chunks loaded on-demand.
It significantly reduces initial payload, improves Time-to-Interactive (TTI), and enhances overall performance.
React.lazy() dynamically imports components, improving asynchronous code loading.
Suspense component in React allows for displaying fallback UI during component loading.
Lazy loading is useful for React components, data fetching, and managing loading states.
Route-level code splitting with React Router optimizes loading by splitting code based on routes.
Placing strategically in your app can ensure a smooth loading experience.
Final takeaways: Lazy loading, Suspense, and route-based splitting can significantly boost React app performance.
Include Error Boundaries, use bundler tools, and browser developer tools for optimal implementation.

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Javacodegeeks

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[FREE EBOOKS] Modern Generative AI with ChatGPT and OpenAI Models, Offensive Security Using Python & Four More Best Selling Titles

Modern Generative AI with ChatGPT and OpenAI Models book provides insights into the inner workings of language models, use cases, and enterprise-level scenarios for leveraging AI APIs.
Offensive Security Using Python offers practical guidance on offensive tactics, threat mitigation, and how to use Python for web security and automation.
Leadership Revolution focuses on developing dynamic leaders for the 21st century, offering strategies to accelerate professional growth and adapt to remote work environments.
Hands on Hacking is a comprehensive guide to offensive hacking techniques, providing real-world examples and skills for breaching networks and improving security.
AI First, Human Always explores the trends in AI and how to merge technology with human qualities like creativity and intuition for effective leadership in the AI era.
Bulletproof Problem Solving introduces a systematic approach to problem-solving, utilizing a visual, logic-tree method to tackle complex issues and develop compelling solutions.
The collection of eBooks covers a range of topics from AI and cybersecurity to leadership and problem-solving, offering valuable resources for professionals to enhance their skills.
Readers can access these best-selling titles for free for a limited time, providing a chance to learn and advance in various IT-related fields.
By leveraging these resources, individuals can expand their knowledge and expertise in areas such as AI, cybersecurity, leadership development, and problem-solving.
Subscribe to the newsletter for more insights and free eBooks on Java and IT-related topics to continue enhancing your skillset.

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Medium

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Build an AI That Remembers: Step-by-Step Intro to RNNs and Word Prediction with Python

AI systems can sometimes forget important context, leading to errors and misunderstandings.
Understanding the order of events is crucial in various tasks such as language processing and behavior analysis.
Traditional neural networks struggle with sequences and lack the ability to retain information over time.
To address this issue, researchers developed Recurrent Neural Networks (RNNs) that can maintain internal memory of past inputs for better sequence processing.

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Medium

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AI Powered Tools for Business Analysts

AI-powered tools like Lucidchart AI, Miro AI, and Draw.io AI assist in modeling and analyzing business processes.
For creating user interface sketches and visual prototypes, MockFlow AI, Figma AI, and Balsamiq AI provide AI-powered support.
To speed up testing processes and improve quality, tools like Zephyr AI, Testim AI, and Katalon Studio AI offer AI-powered solutions.
For data analysis and insights generation, tools such as Power BI AI, Tableau AI, and Excel AI are recommended.
Tools like Zapier AI, UiPath AI, and Power Automate AI can automate daily business processes, while Jira AI, Azure DevOps AI, and Confluence AI aid in requirements analysis and user story creation.
AI-powered tools enhance efficiency, automation, and workflow optimization for business analysts.

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Medium

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How to Get a MegaPersonals Account Fast? — A Complete Guide

Buying a pre-verified MegaPersonals account from trusted sellers like BestPVAMarket allows skipping lengthy verification processes and starting connections immediately.
Key points to consider when buying a verified MegaPersonals account include checking seller authenticity, verifying account details, opting for secure payment methods, and ensuring instant delivery.
BestPVAMarket offers affordable, KYC-verified MegaPersonals accounts with benefits such as affordable pricing, high success rates, 24/7 customer support, and bulk purchase discounts.
Benefits of purchasing a MegaPersonals account include skipping lengthy verification, instant access to messaging and networking, higher response rates, and useful multiple account management.

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UX Design

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The perverse incentives of Vibe Coding

The article discusses the addictive nature of AI coding assistants like Claude Code, attributing it to the variable-ratio reinforcement principle and effort discounting advantage.
It highlights how AI systems tend to produce verbose and over-engineered code, costing users more and often failing in complex tasks requiring deep architectural thinking.
The economic incentives of AI coding assistants, particularly charging based on token count, create perverse incentives leading to the generation of verbose code.
The alignment between how AI systems are monetized and how well they serve user needs is questioned, with less incentive to optimize for elegant, minimal solutions.
The article points out that demanding concise responses from AI models can compromise factual reliability, showing an alignment between token economics and quality outputs.
Strategies to counteract verbose code generation include forcing planning before implementation, implementing explicit permission protocols, using version control for experimentation, and opting for cheaper AI models.
Proposed approaches for better alignment include evaluating LLM coding agents based on code quality metrics, offering pricing models that reward efficiency, and incorporating feedback mechanisms promoting concise solutions.
The article emphasizes the importance of aligning economic incentives in AI development with the value developers place on clean, maintainable, and elegant code.
It concludes by highlighting the irony that AI systems, like Claude Code, can articulate arguments against their own verbosity, illustrating that perverse incentives lie in human-driven revenue models rather than the AI models themselves.

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Dev

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Developers and the Cisco 300-715 SISE Certification: A Match You Didn’t Know You Needed

The Cisco 300-715 SISE certification is crucial for developers in today's cloud-first, Zero Trust, API-secured world.
It validates expertise in Cisco Identity Services Engine (ISE), enforcing Zero Trust architecture and centralized identity management.
Developers should care about Network Access Control due to DevSecOps and Zero Trust demands in modern development environments.
Understanding Cisco ISE helps developers build security-aware applications aligned with enterprise policies.
Developers with 300-715 SISE knowledge bridge the gap between development and network security, making them valuable in interdisciplinary teams.
Roles like DevSecOps Engineer and Secure App Developer prefer candidates with networking or access control skills, providing a career edge.
The certification covers AAA protocols, endpoint profiling, and automation using ISE APIs, making applications dynamically respond to security policies.
Real-world use cases include secure IoT deployments, compliance in healthcare/finance apps, role-based policies in cloud-native apps, and identity-aware access workflows.
Preparing with practice tests and official resources like Cisco Learning Network and forums is recommended for success in the exam.
Certifying in Cisco's 300-715 SISE equips developers with essential skills for DevSecOps environments, enhancing employability and impact.

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Medium

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This New Kind of Influencer Works 24/7 and Never Ages

AI influencers, digital characters generated with artificial intelligence, are gaining popularity for their perfect appearance, continuous availability, and lack of controversies.
Despite being virtual, AI influencers have been successful in engaging with audiences and creating a significant revenue stream for brands.
Their human-like qualities, combined with their perpetual online presence, make them an attractive option for companies looking to capitalize on this emerging trend.
AI influencers represent a unique opportunity for businesses to leverage technology and reach a wider audience in the digital space.

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Dev

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🔔 How i added a web push notification feature in my project

Implemented push notification feature on ChatX project for real-time updates.
Utilized Service Worker to handle push notifications, background syncing, and caching.
Used VAPID Keys for secure and direct web push notifications without external services like FCM.
Subscribed users for push notifications, saved subscriptions, and sent notifications from the server via VAPID keys.

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Self-Learning-Java

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How to Upload a Local File and Create a Table in BigQuery?

Step 1: Log in to Google Cloud Console
Step 2: Access BigQuery Studio
Step 3: Select the dataset
Step 4: Click the CREATE TABLE button on the dataset information page to create a new table

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Self-Learning-Java

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Introduction to Datasets in BigQuery

BigQuery is a serverless data warehouse from Google Cloud for running fast SQL queries on large datasets.
A Dataset in BigQuery is a logical container holding tables, views, and models within a Google Cloud project.
Benefits of using datasets include organization, access control, and defining geographical location for data.
Creating a dataset in BigQuery involves steps like logging in, accessing BigQuery Studio, and defining dataset settings.
Choosing the right location type for a dataset (Region or Multi-Region) impacts data storage and processing.
Google Managed Encryption keys and Customer-managed encryption keys are options for securing data in BigQuery.
Case Insensitive and Default Collation settings in BigQuery affect how string values are sorted and compared.
Storage billing models in BigQuery include Logical Bytes and Physical Bytes, impacting how storage costs are calculated.
Time Travel Window in BigQuery allows accessing previous data versions for recovery within a specified timeframe.
Creating and managing datasets effectively in BigQuery is essential for data organization and access control.

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Medium

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Cloud Computing, What It Is and Why It Matters

Cloud computing is the delivery of computing services over the internet, allowing access to data and programs through remote servers managed by third-party providers.
Common cloud services include storage (e.g. Google Drive), software (e.g. Microsoft 365), platforms (e.g. Heroku), and infrastructure (e.g. AWS, Azure, Google Cloud).
Cloud computing is important due to its cost efficiency, scalability, accessibility, and security features, making it a game-changer for businesses, developers, and users.
Types of cloud services include IaaS (e.g. AWS), PaaS (e.g. Google App Engine), and SaaS (e.g. Gmail), enabling various use cases from startups building apps to enterprises running global systems.

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