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Hemant Kumar

@hemant-kumar

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Stories · 80

htmx 2.0: The Hypermedia Framework That's Redefining Frontend Simplicity

htmx 2.0 brings async attributes, event filters, and architectural refinements that prove hypermedia can compete with modern SPAs—no JavaScript frameworks required.

webjavascriptsoftware-engineering0

The Great Memory Crunch of 2026: How AI Data Centers Are Reshaping Global Chip Production

AI data centers are consuming 20% of global wafer capacity by mid-2026, driving a critical HBM shortage that's disrupting consumer hardware production and forcing price increases across devices. Developers need to understand the infrastructure constraints reshaping the entire tech industry.

clouddevopsinfrastructure0

AWS Summit New York 2026: Agentic Cloud Infrastructure Is Now the Default

AWS rewired its entire cloud stack around AI agents at Summit New York — faster ECS scaling, Blackwell GPUs, S3 Annotations, and AgentCore GA signal a new computing paradigm.

clouddevopsai0

How a Forgotten npm Account Backdoored 144 Mastra Packages — and What to Do Right Now

Yesterday attackers hijacked a dormant contributor account and poisoned every @mastra/* package with a crypto-stealing RAT in 88 minutes. Here's the full breakdown.

securityaisoftware-engineering0

The 2026 Supply Chain Security Crisis: 73% More Malicious Packages and What Developers Must Do Now

ReversingLabs documents a 73% surge in malicious open-source packages in 2026. AI coding agents have created a dangerous new attack surface that SAST tools can't catch.

securitydevopssoftware-engineering0

WebAssembly 3.0 Is Production-Ready: WasmGC, Memory64, and Edge AI Change Everything

The W3C's WebAssembly 3.0 standard is driving enterprise adoption — 67% of new projects include Wasm, and Google's Sheets migration proves the production case.

websoftware-engineeringcloud0

JDK 27 Rampdown Begins: G1 as Default GC, Post-Quantum TLS, and the OpenJDK AI Code Ban

JDK 27 locked its feature set in June 2026 with G1 as the default GC, post-quantum TLS 1.3, and a controversial ban on AI-generated code contributions.

javasoftware-engineeringsecurity0

Post-Quantum Cryptography Is No Longer Optional: A Developer's Migration Guide for 2026

NIST finalized three post-quantum standards in 2024 and adversaries are already stockpiling your encrypted traffic. Here's how to start migrating your apps now.

securityjavasoftware-engineering0

OpenCV 5.0 Is Here: The DNN Rewrite That Brings LLMs Into Your Vision Pipeline

OpenCV 5.0 shipped today with a rebuilt DNN engine, 80%+ ONNX coverage, and native LLM/VLM support — run Gemma 3 or PaliGemma inside your CV pipeline without a separate runtime.

aisoftware-engineeringpython0

When Your Users Are Bots: Redesigning Backend Infrastructure for the AI Agent Era

AI bots now account for 31% of all HTTP traffic, and by 2027 machines will outnumber humans online. Your backend wasn't built for this — here's what needs to change.

clouddevopsai0

TypeScript 6.0 Is Here — And It's the Last One Built in JavaScript

TypeScript 6.0 has landed — and it's the last TypeScript compiler written in TypeScript. Microsoft's Go-based rewrite drops VS Code's build from 77.8s to 7.5s.

typescriptjavascriptsoftware-engineering0

AI-Generated Code Is Eating Your Codebase — Is Your Review Process Ready?

AI tools now write 30–50% of code at many companies. The security research is clear: AI-generated code fails at patterns humans get right. Here's what to do about it.

aisoftware-engineeringsecurity0

MCP Is Now an Open Standard: Anthropic Hands the Keys to the Linux Foundation

The Model Context Protocol is no longer just Anthropic's project — it's now backed by the Linux Foundation with OpenAI, Microsoft, and Google as co-adopters.

aisoftware-engineeringweb0

ClickHouse Agents Is Live: Claude-Powered Analytics for the Agentic Era

ClickHouse crossed $250M ARR and launched Claude-powered Agents — a managed service letting AI reason directly over analytical data at sub-second speed.

aiclouddevops0

Google I/O 2026: Agentic AI, WebMCP, and the End of the Assistant Era

Google just declared the assistant era over. At I/O 2026, the company unveiled Gemini 3.5, Antigravity 2.0, and WebMCP — a bet that AI agents will soon run the web.

aicloudweb0

Your IDE Is Now a Target: The VS Code Extension That Breached GitHub

A single malicious VS Code extension gave hackers access to 3,800 GitHub internal repos. Here's what happened and what every developer needs to change today.

securitydevopssoftware-engineering0

eBPF Is Eating the Cloud: The Kernel Technology Rewriting Modern Infrastructure

A decades-old Linux VM has quietly become the hottest technology in cloud infrastructure, powering Kubernetes networking, zero-overhead security auditing, and production profiling.

devopscloudsecurity0

From Autocomplete to Autonomous: How AI Coding Agents Rewrote the Developer Workflow

Two years after Devin, agentic coding tools are embedded in every major IDE. Here's what actually changed — and what still hasn't.

aisoftware-engineeringdevops0

SQLite in Production: How the World's Most Deployed Database Is Taking Over the Cloud

SQLite was never supposed to run your production app. In 2026, it's powering millions of them — and the cloud vendors are scrambling to catch up.

cloudsoftware-engineeringdevops0

I've Used Copilot for Six Months. Here's My Honest Take.

Copilot is genuinely useful for maybe 30% of what I do daily. The other 70% it either gets wrong or slows me down by making me read generated code I don't trust.

AI0

MongoDB Sharding: The Mistake That Cost Us a Weekend

We sharded on the wrong key and spent a weekend firefighting. Here's exactly what went wrong and how we picked a better shard key.

Java0

Hibernate Was Slowing Us Down. Here's What We Did About It.

We had N+1 queries everywhere and didn't know it until production fell over. Switching wasn't the answer — understanding the ORM was.

Java0

The JavaScript Runtime Wars in 2026: Node.js, Deno 2, and Bun Have All Grown Up

JavaScript devs now have genuine, production-ready runtime choice. Node.js, Deno 2, and Bun have all matured — and the competition made all of JS development better.

javascripttypescriptweb0

Python 3.14 Beta Is Here: Free-Threading and JIT Are No Longer Just Experiments

Python 3.14 beta lands with a more capable JIT and a free-threaded build that's finally production-worthy. Here's what changes for your code.

pythonperformanceconcurrency0

Why Rust Is Winning the Memory Safety War in 2026

Memory safety bugs have caused 70% of critical CVEs for a decade. In 2026, Rust is no longer just the proposed fix — it's the deployed one.

software-engineeringrustsecurity0

AI and Mid-Level Management: A New Era or a Threat?

AI and Mid-Level Management: A New Era or a Threat? body { font-family: 'Segoe UI', sans-serif; max-width: 960px; margin: 2rem auto; padding: 0 1.5rem; color: #2d3748; background-color: #f9fafb; } h1,

AIAI in ManagementMid-Level Management0

Lombok – Reduce Boilerplate in Java

Lombok – Reduce Boilerplate in Java body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color: #2c3e50; } pr

JavaJava Best PracticesLombok Annotations0

Building a Recommendation System in Spring Boot

Building a Recommendation System in Spring Boot body { font-family: 'Segoe UI', sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #2d3748; } h1, h2 { color: #1a202c; } pre { background: #2d2d2d

JavaPersonalized RecommendationsMachine Learning Recommenders0

Java Records in Functional Programming

Java Records in Functional Programming body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color: #2c3e50; }

JavaImmutability in JavaJava Best Practices0

Java 25 Features (Preview) – What’s New in the Upcoming LTS Release

Java 25 Features (Preview) – What’s New in the Upcoming LTS Release body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333;

JavaJava 25 JEPsProject Panama0

Java 21 Features

Java 21 Features: The Complete Guide for Developers body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { colo

JavaJava 21 FeaturesJava 21 Performance0

Lombok vs Records: When to Use What?

Lombok vs Records: When to Use What? body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color: #2c3e50; } p

JavaJava Best PracticesLombok Alternatives0

Java Streams: A Modern Way to Process Data

Java Streams: A Modern Way to Process Data body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color: #2c3e5

JavaStream Processing in JavaJava Functional Programming0

JBang – Scripting with Java Like Never Before

JBang – Scripting with Java Like Never Before body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #fdfdfd; color: #333; line-height: 1.7; margin: 2rem auto; padding: 0 1.5

JavaJBangJava Productivity Tools0

JBang vs JShell vs Kotlin Scripting

JBang vs JShell vs Kotlin Scripting body { font-family: 'Segoe UI', sans-serif; margin: 2rem auto; line-height: 1.7; color: #333; background: #fefefe; padding: 0 1.5rem; } h1, h2, h3 { color: #2c3e50;

JavaJBangJava Scripting Tools0

Java Streams: map() vs flatMap()

Java Streams: map() vs flatMap() body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color: #2c3e50; } pre {

JavaJava Functional Programmingmap() vs flatMap()0

Java 17 Features

Java 17 Features: A Complete Guide for Developers body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color:

JavaPattern Matching Java 17Java 17 Updates0

Using OpenAI API in Spring Boot

Using OpenAI API in Spring Boot – Multi-Step Conversation body { font-family: 'Segoe UI', sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #2c3e50; line-height: 1.6; } h1, h2, h3 { color: #1a2

JavaOpenAI APISpring Boot OpenAI0

Java with AI

Java with AI – How Java Developers Can Leverage Artificial Intelligence body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #333; line-hei

JavaAI Development with JavaJava Neural Networks0

Java 8 Features: The Evolution of Modern Java

Java 8 Features: The Evolution of Modern Java body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color: #2c

JavaLambda ExpressionsStreams API0

Reactive Programming – with Project Reactor or RxJava

Reactive Programming – with Project Reactor or RxJava body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #333; line-height: 1.6; } h1, h2

JavaReactive Systems JavaProject Reactor0

Java 11 Features: What Every Developer Should Know

Java 11 Features: What Every Developer Should Know body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color

JavaJava 11Java Updates0

Building a Reactive REST API with Spring WebFlux and Project Reactor

Building a Reactive REST API with Spring WebFlux and Project Reactor body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #333; line-height

JavaNon-blocking REST APIProject Reactor0

Spring Boot with AI

Spring Boot with AI – Bringing Intelligence to Your Backend body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #333; line-height: 1.6; }

JavaAI with Spring BootJava ML0

Virtual Threads (Project Loom)

Virtual Threads (Project Loom) – Lightweight Concurrency in Java body { font-family: 'Segoe UI', sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #2d3748; } h1, h2 { color: #1a202c; } pre { ba

JavaJava 21 FeaturesLightweight Threads0

Sentiment Analysis Using Hugging Face API in Spring Boot

Sentiment Analysis Using Hugging Face API in Spring Boot body { font-family: 'Segoe UI', sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #2d3748; } h1, h2 { color: #1a202c; } pre { background

JavaHugging Face JavaJava Sentiment Analysis0

Voice & Chatbots – AI-Assisted Conversational Apps

Voice & Chatbots – AI-Assisted Conversational Apps body { font-family: 'Segoe UI', sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #2d3748; } h1, h2 { color: #1a202c; } pre { background: #2d2

JavaVoice AIAI Chatbots0

Real-Time Camera Input for Image Recognition

Real-Time Camera Input for Image Recognition body { font-family: 'Segoe UI', sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #2d3748; } h1, h2 { color: #1a202c; } pre { background: #2d2d2d; c

JavaDeep Learning CameraReal-Time Object Detection0

Image Recognition with Deep Learning Frameworks

Image Recognition with Deep Learning Frameworks body { font-family: 'Segoe UI', sans-serif; margin: 2rem auto; padding: 0 1.5rem; color: #2d3748; } h1, h2 { color: #1a202c; } pre { background: #2d2d2d

JavaImage ClassificationTensorFlow Image Recognition0

Testing Lombok-based Classes in Java

Testing Lombok-based Classes in Java body { font-family: Arial, sans-serif; line-height: 1.6; margin: 2rem auto; padding: 0 1rem; background-color: #f9f9f9; color: #333; } h1, h2 { color: #2c3e50; } p

JavaTesting Lombok ClassesLombok and JUnit0

Index MySQL datadase table in Solr

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Change MYSQL Database Directory Path in Linux

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Deep Copy

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Shallow Copy

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Match Rating Algorithm (Phonetic Match)

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Serializable

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Marker Interface

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Cloneable

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Singleton

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Hibernate Demo Annotation Example

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Hibernate Demo Example

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Shallow Copy vs Deep Copy

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Serialization

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Comparable vs Comparator

.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: #f5f5f5; border: 1px solid #e3e3e3; -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; -webkit-box-shadow: inset 0…

Java0

Hibernate Many to Many Annotation Mapping

Relationship Diagram Project Structure File Name Use Language.java Pojo class with mapping for Language. Person.java Pojo class with mapping for Person. hibernate.cfg.xml Hibernate Configuration File. Main.java It will…

Java0

Hibernate Many to Many Mapping

Relationship Diagram Project Structure File Name Use Language.java Pojo class for Language. Person.java Pojo class for Person. Language.hbm.xml Mappings file for Language class. Person.hbm.xml Mappings file for Person…

Java0

File Upload (Using Struts)

Project Structure web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"…

Java0

Spring AOP Example

It’s a simple implementation of Spring AOP. Project Contents: File Name Use service.xml Configuration File. ServiceClass Target Class on which we will apply AOP. AdviceClass Advisor class which will be applied on target…

Java0

MongoDB Sharding

Here A, B and C are shards respectively running on port no 20000, 20001 and 20002. mongod --shardsvr --dbpath E:\Mongo\A --port 20000 mongod --shardsvr --dbpath E:\Mongo\B --port 20001 mongod --shardsvr --dbpath…

Java0

Security Algorithms (JAVA)

Encryption: It is the process of transforming human readable plaintext to unreadable cipher text. RSA Encryption\Decryption package asymmetric; import java.io.BufferedReader; import java.io.File; import…

Java0

Excel Writer (JAVA)

package writer; import java.io.File; import jxl.Workbook; import jxl.format.Alignment; import jxl.format.Colour; import jxl.format.UnderlineStyle; import jxl.write.Label; import jxl.write.WritableCellFormat; import…

Java0

Excel Reader (JAVA)

package reader; import java.io.File; import java.io.IOException; import java.util.HashMap; import jxl.Sheet; import jxl.Workbook; import jxl.read.biff.BiffException; public class ExcelReader { public…

Java0

Bootable USB for Windows 7

Requirements: USB flash drive (4GB or above) & Windows 7 Setup. Step 1 : Plug-in your USB drive and open Command Prompt with administrator rights. Step 2: Now type followig commands: DISKPART LIST DISK SELECT DISK 1…

Java0

Mongo DB Viewer

Features of Mongo DB viewer: Tabular view of mongo db data. Text view of mongo db data. Tree view (Document view) of mongo db data. Refine option for filtering our search. Paging facility to limit no of records shown…

Java0

Hibernate Sharding Example

It is a simple implementation of Hibernate Sharding in java. In this we are using two databases i.e. shard1 and shard2. All data related to "India" goes to shard1 where as others go to shard2. Project Contents: File…

Java0

Image Scaler...By Hemant Kumar

It is a software for scaling of the images. Using this software images can be scaled up or down in terms of their width, height and quality. Download Link: http://www.4shared.com/file/7uL7ILHa/ImageScaler.html Retain…

Java0

CURD Operations in Mongo DB

Syntax and exampless in Interactive shell with its equivalent code in java. Use Database In order to operate over a database we first have to connect to that database. Type : use <database name> Suppose we have to…

Java0

Connecting to Mongo DB

Starting up Database Server (mongod.exe) Step 1: Download the “mongod.exe” binary. Step 2: Extract it. Step 3: Open Command prompt. Step 4: Traverse to the folder containing the “mongod.exe” binary. Step 5: Now type…

Java0

Introduction to Mongo DB

Mongo DB is an open source document-oriented No SQL database system. No SQL Database System 1. It does not use SQL as its query language. 2. It may not give full ACID guarantees. RDBMS vs. Mongo RDBMS Mongo Table, View…

Java0

Large Scale Deployment Scenario of MongoDB

Here in this example we will use Mongo DB for large scale deployment scenario. In this example if the primary node of any shard will go down then it would be automatically replaced by its secondary node (now secondary…

Java0