Python for Beginners — Part 2: Variables, Data Types & Numbers
Part 2 of a beginner-friendly series on learning Python from scratch. In Part 1, we installed Python, wrote our first program, and learned the syntax rules that hold everything together. Now it’s time to start storing and working with information — which means variables and data types. What is a Variable? A variable is a […]
How to Convert PDF and Excel Invoices to CSV for Faster Data Processing
Manually converting invoice data from PDF or Excel files into CSV format is one of the most time-consuming tasks in accounting and data management workflows. It often involves repetitive copy-pasting, formatting adjustments, and a high risk of human error. In many real-world scenarios, invoices arrive in different formats such as PDF, XLS, XLSX, or even […]
The CFO’s AI Playbook: 5 Finance Automations Every Indian Business Should Run in 2026
Stack all five and you’re recovering 45-75 hours of skilled finance time every month. For an SMB with a single accountant, that’s effectively a second person at zero incremental cost. For a firm with a CFO, it’s the difference between reactive month-end rituals and proactive capital decisions. Where to Start (And Where Not To) Do […]
Deploying Apache DolphinScheduler 3.1.9 Cluster with MySQL Instead of PostgreSQL? A Practical Docker Compose Guide
Download the MySQL JDBC Driver wget https://downloads.mysql.com/archives/get/p/3/file/mysql-connector-j-8.0.33.zip unzip -q mysql-connector-j-8.0.33.zip cp mysql-connector-j-8.0.33/mysql-connector-j-8.0.33.jar . Prepare Custom Images Dockerfile for Master, Worker, API, and Alert Server # Based on the official DolphinScheduler image ARG SERVICE=api FROM apache/dolphinscheduler-${SERVICE}:3.1.9 # Copy the MySQL JDBC driver into the DolphinScheduler library directory # DolphinScheduler loads JDBC drivers from the lib directory […]
CRDT vs OT: Choosing the Right Collaboration Algorithm
Fundamentals: How OT and CRDT actually work Trade-offs: Complexity, performance, storage, and latency Use cases: Which algorithm fits which problem Implementation considerations and popular libraries Migration paths and hybrid approaches Practical Application The choice between CRDT and OT defines your editor’s user experience as much as your infrastructure: offline behavior, amount of metadata, and the […]
State Drift in a Polymarket Trading System Using Event Sourcing
When building a real-time trading system for Polymarket, I assumed strategy and execution would be the hardest parts. I was wrong. The real issue was state drift – the system slowly stopped matching reality. What state drift looked like Incorrect positions Duplicate exposure Mismatch between bot state and real market state There was no crash, […]
How I Built the Two Missing Payload CMS v3 Plugins — Reviews, JSON-LD & Real Production Bugs
Running 23 European e-commerce shops on Payload CMS v3 taught me that some things simply don’t exist yet. So I built them. Background I maintain a multi-clone e-commerce infrastructure — 23 Next.js + Payload CMS v3 shops deployed across Europe, each on its own subdomain and language. Think fr.myshop.com, de.myshop.com, sk.myshop.com… all running on the […]
Karpathy’s “Autoresearch” Just Went Viral — Here’s How Software Engineers Can Actually Use the Pattern at Work
Forget neural networks for a second. The real idea inside this repo is a blueprint for letting AI agents run unattended overnight — and it maps onto problems you already have on your team. If you’ve been anywhere near tech Twitter or LinkedIn this week, you’ve probably seen people losing their minds over a small […]
OpenAPI Specs automatisch in saubere Markdown-Doku konvertieren
Wählen Sie nach Ziel: einfache Repository-Referenz, statische Docs, internes Format oder vollständig integrierter API-Workflow. Methode 1: OpenAPI mit einem Einzeiler in Markdown konvertieren Für eine schnelle Repository-Referenz reicht oft ein dedizierter Konverter. Node.js: openapi-to-md openapi-to-md nimmt OpenAPI v2 oder v3 in YAML oder JSON und erzeugt eine Markdown-Datei. npx openapi-to-md openapi.yaml api-reference.md Typischer Einsatz im […]
Agent Series (20): Harness in Production — From Single File to Reusable Package
From Demo Code to a Reusable Package Article 19 used a 900-line harness_full_demo.py to demonstrate eight defense layers. That file is good for explaining concepts, but not for reuse — all layers are coupled together, nothing can be tested in isolation, and nothing can be imported by another project. A production-grade Agent project needs something […]