Latest Articles

Testing produces evidence, evidence becomes feedback, and feedback helps us make decisions — even as AI reshapes how code is written and tested.

July 7, 2026

by Stelios Manioudakis

CORE

· 4,014 Views · 3 Likes

AI Can't Defend What It Can't See

AI can only defend what it can see. Give it incomplete data, and it won't warn you. It quietly reports everything as healthy while real attacks slip through unseen.

July 7, 2026

by Jithu Paulose

· 2,580 Views · 3 Likes

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

· 2,166 Views · 1 Like

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

· 2,614 Views · 1 Like

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

· 2,430 Views · 2 Likes

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

· 4,105 Views · 2 Likes

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

· 1,360 Views · 1 Like

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

· 2,632 Views · 1 Like

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

· 2,351 Views · 2 Likes

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

· 2,457 Views · 6 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 Soni, FBCS

CORE

· 6,258 Views · 2 Likes

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

· 1,142 Views · 2 Likes

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

· 1,618 Views · 2 Likes

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

· 2,321 Views · 1 Like

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

· 2,486 Views · 2 Likes

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

· 3,306 Views · 3 Likes

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

· 1,740 Views · 1 Like

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

· 2,197 Views · 4 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 Soni, FBCS

CORE

· 7,059 Views · 2 Likes

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

· 1,662 Views · 1 Like

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