Latest Articles

Designing Tool-Calling AI Agents That Survive Production: A LangGraph Approach

AI agents work in demos and break into production. This LangGraph tutorial builds tool-calling agents that are fail-safe: validated, bounded, and observable.

July 7, 2026

by Shubham Gupta

· 1,854 Views

Building a Mortgage Agent With FRED Data, FastAPI, and LLM Tool Calling

A walkthrough of an open-source intelligent FastAPI app that pairs Freddie Mac benchmarks from FRED with a first-time buyer chat assistant.

July 7, 2026

by Sushma Kukkadapu

· 2,177 Views

An XGBoost Property Valuation Postmortem: Leakage, Overfitting, and SHAP Surprises

V1 had an R² of 0.84 despite a random split. That was a garbage statistic — random splits give future comps away by training on time-dependent data, and Optuna wins.

July 7, 2026

by Tejas Ashok

· 1,951 Views

How to Build a Production-Ready RAG Pipeline With Vector DBs

RAG prototypes are easy. Production RAG is not. This covers vector DB tradeoffs, chunking patterns, re-ranking, and evaluation setups that hold up at scale.

July 6, 2026

by Mark Saxon

· 3,124 Views · 1 Like

Developer’s Checklist: How to Build an FHE Application

This step-by-step checklist breaks down FHE app development from plaintext design to encrypted implementation and offers open-source tools to get you started.

July 6, 2026

by David Archer

· 950 Views

HTTP QUERY in Java: The Missing Method for Complex REST API Searches

HTTP QUERY gives Java REST APIs a cleaner way to handle complex searches with request bodies, avoiding long URLs and POST misuse while keeping reads explicit.

July 6, 2026

by Otavio Santana

CORE

· 1,969 Views

Parquet vs Lance: How Storage Layout Changes the Read Path

Parquet is scan-oriented. Lance is access-oriented. The difference is how much data the reader touches before returning results.

July 6, 2026

by Hitarth Trivedi

· 1,928 Views · 1 Like

Add Observability to Your React Native Application in 5 Minutes

A five-minute walkthrough for adding logs, traces, and error monitoring to a React Native iOS app using LaunchDarkly's Observability SDK, shown on a simple counter app.

July 6, 2026

by Alexis Roberson

· 1,066 Views · 3 Likes

Azure Databricks for Scalable MLOps and Feature Engineering With Apache Spark, Delta Lake, and MLflow

A practical guide to feature engineering at scale with Azure Databricks, covering distributed data processing with Spark and reliable storage with Delta Lake.

July 6, 2026

by Jubin Abhishek Soni

CORE

· 1,155 Views

Background Work, Push Topics, and Richer Notifications

Constraint-based background work, foreground services, push topic subscriptions, shared-content handling, and enhanced local notifications with full simulator support.

July 6, 2026

by Shai Almog

CORE

· 874 Views · 1 Like

LangChain With SQL Databases: Natural Language to SQL Queries

Building an SQL interface that is easy to use for NON-SQL users and provides immediate and accurate answers to business queries.

July 6, 2026

by Varun Joshi

· 1,030 Views · 1 Like

Resilience Lost in the Stack: How Abstraction Layers Silently Mask Distributed Systems’ Topology Awareness

The focus is on distributed systems resilience, specifically the integration gap between application abstractions and high-availability infrastructure layers.

July 3, 2026

by Rithra Ravikumar

· 1,934 Views

From Polling to PubSub: Building an Asynchronous OPC UA Stack in Python

The architectural design and engineering required to build a native, asynchronous OPC UA Pub/Sub (IEC 62541-14) stack in Python for the open-source opcua-asyncio library.

July 3, 2026

by Harshith Narasimhan Srivatsa

· 1,528 Views · 1 Like

Prompt Injection Attacks and Hidden Security Risks in LLM Applications

Prompt injection hijacks an LLM by exploiting its inability to separate data from commands. Direct and indirect attacks require layered defenses, not one fix.

July 3, 2026

by Karini Kapoor

· 2,587 Views · 2 Likes

Why Your On-Call AI Agent Needs a Guardian

AI on-call agents need a supervisory layer before they touch production. Here is the design pattern, the code, and the failure modes it prevents.

July 3, 2026

by Prakshal Doshi

· 1,226 Views · 1 Like

Building Your API Gateway From OpenAPI Specs: A Spec-Driven Approach

Generate API gateways directly from OpenAPI specs to eliminate configuration drift, simplify maintenance, and keep your API contract as the single source of truth.

July 3, 2026

by sahil arora

· 1,400 Views

OBO SSO in Java Applications: Securely Calling Downstream APIs on Behalf of a User

OBO (On-Behalf-Of) allows a Java API to securely call downstream services using the authenticated user's identity instead of the application's identity.

July 3, 2026

by Muhammed Harris Kodavath

· 1,648 Views · 3 Likes

Building an AI Agent That Responds to Real-Time Events With AWS Bedrock, Kinesis, DynamoDB, and S3

Build an AI agent that processes real-time events with Amazon Bedrock and a serverless AWS architecture powered by Kinesis, DynamoDB, and S3.

July 3, 2026

by Jubin Abhishek Soni

CORE

· 2,058 Views · 1 Like

The Software Deployment Failures That Pass Every Pre-Deployment Check

Every check passed. Production still broke. The deployment failures that slip through pre-deployment validation, and why testing more does not fix it.

July 3, 2026

by Sancharini Panda

· 1,317 Views

WebSockets, gRPC, and GraphQL in the Core

A hands-on walkthrough of building a live chat over the new core WebSocket API and typed clients from a GraphQL schema and a proto file.

July 2, 2026

by Shai Almog

CORE

· 2,166 Views · 3 Likes

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