Ray - DEV Community

Ray

Mar 30

BillingWatch vs Datadog vs Baremetrics: What You Get for Free vs 0/mo for Billing Monitoring

#python #stripe #selfhosted #monitoring

2 min read

Ray

Mar 30

Why I Switched from Interactive Brokers Paper Trading to Alpaca + TradeSight

#python #algotrading #fintech #trading

2 min read

Ray

Mar 30

I Built a Stock Scanner with Python and RSI Signals — Here Is What I Learned

#python #trading #finance #tutorial

2 min read

Ray

Mar 30

Scaling a Self-Hosted Billing Monitor from 1 to 100 Tenants

#python #stripe #selfhosted #devops

3 min read

Ray

Mar 30

The Hidden Costs of Paper Trading: What 6 Weeks of Data Showed

#python #algotrading #fintech #opensource

2 min read

Ray

Mar 30

7 Stripe Webhook Edge Cases That Break Billing (And How to Handle Them)

#python #stripe #webdev #opensource

3 min read

Ray

Mar 30

How I Implemented Walk-Forward Backtesting to Prevent Overfitting in Python Trading Strategies

#python #trading #testing #programming

2 min read

Ray

Mar 30

I ran a Python paper trading bot for 6 weeks — here is what the data showed

#python #algotrading #backtesting #trading

2 min read

Ray

Mar 30

5 Stripe webhook patterns that saved our SaaS at 2am

#stripe #fastapi #saas #webhooks

3 min read

Ray

Mar 29

The Silent $800 MRR Killer: Why I Built BillingWatch

#python #stripe #billing #startup

3 min read

Ray

Mar 29

I built a self-hosted Stripe anomaly detector after missing a billing bug for 3 days

#python #stripe #webdev #selfhosted

2 min read

Ray

Mar 29

I ran a self-hosted AI trading strategy lab for 30 days. Here is what happened.

#python #algotrading #selfhosted #opensource

2 min read

Ray

Mar 29

How I Use Alpaca's Free Paper Trading API to Test Strategies Without Risking Real Money

#python #algotrading #fintech #programming

4 min read

Ray

Mar 29

I Ran a 4-Strategy AI Trading Tournament in Paper Trading — Here's Who Won

#python #trading #algorithmic #ai

3 min read

Ray

Mar 29

7 Stripe Webhook Edge Cases That Break Billing (And How to Handle Them)

#python #stripe #webdev #opensource

3 min read

Ray

Mar 29

How I Implemented Walk-Forward Backtesting to Prevent Overfitting in Python Trading Strategies

#python #algotrading #backtesting #fintech

2 min read

Ray

Mar 29

Why I Self-Host My Stripe Billing Monitor Instead of Paying for a SaaS

#stripe #python #selfhosted #saas

3 min read

Ray

Mar 29

5 Backtesting Mistakes That Make Your Algo Look Like a Money Printer

#algotrading #python #trading #programming

4 min read

Ray

Mar 29

5 Backtesting Mistakes That Make Your Algo Look Like a Money Printer (Until It Isn't)

#algotrading #python #trading #programming

3 min read

Ray

Mar 29

5 Stripe Billing Patterns That Signal Churn (And How to Monitor Them in Real-Time)

#stripe #python #saas #monitoring

4 min read

Ray

Mar 29

I Compared 5 Python Trading Strategies Head-to-Head Using Overnight Tournaments

#python #trading #algorithms #opensource

4 min read

Ray

Mar 29

"Self-Hosting Stripe Anomaly Detection: Building a Multi-Tenant BillingWatch with FastAPI"

#python #stripe #fastapi #webdev

4 min read

Ray

Mar 29

"How I Built an Overnight Strategy Tournament System for Algorithmic Paper Trading"

#python #trading #algorithms #opensource

3 min read

Ray

Mar 29

7 Stripe Webhook Edge Cases That Break Billing (And How to Handle Them)

#python #stripe #webdev #opensource

3 min read

Ray

Mar 29

How I Implemented Walk-Forward Backtesting to Prevent Overfitting in Python Trading Strategies

#python #trading #testing #programming

3 min read

Ray

Mar 29

How I Built a Real-Time Stripe Webhook Anomaly Detector (Architecture + Code)

#python #stripe #webdev #tutorial

4 min read

Ray

Mar 29

I Ran a 4-Strategy AI Trading Tournament in Paper Trading — Here's Who Won

#python #trading #beginners #productivity

3 min read

Ray

Mar 28

30 nights of automated paper trading: what worked and what didn't

#python #trading #alpaca #opensource

2 min read

Ray

Mar 28

How to catch Stripe billing bugs before they cost you money

#python #fastapi #stripe #opensource

2 min read

Ray

Mar 28

How I Combined Polymarket Prediction Markets with Stock Technical Analysis in Python

#python #algotrading #trading #polymarket

5 min read

Ray

Mar 28

Deploying BillingWatch to production with Docker and Stripe webhooks

#docker #stripe #selfhosted #webdev

1

2 min read

Ray

Mar 28

What I learned from 30 days of overnight algo trading tournaments

#python #trading #algorithms #backtesting

2 min read

Ray

Mar 28

The Vibe Coder's Quality Field Guide: Stop Shipping Broken AI-Generated Code

#ai #webdev #programming #productivity

4 min read

Ray

Mar 28

Self-Hosted Billing Anomaly Detection with FastAPI and Stripe Webhooks

#python #fastapi #stripe #opensource

1

2 min read

Ray

Mar 28

Building an Overnight Paper Trading Tournament System in Python

#python #trading #fintech #programming

2 min read

Ray

Mar 28

How My Trading Bot Evolves Its Own RSI Strategy Overnight (Without Me Touching It)

#python #trading #algorithms #opensource

4 min read

Ray

Mar 28

10 Stripe Billing Anomalies I Monitor in Real-Time (And the Code Behind Each One)

#python #stripe #webhooks #opensource

4 min read

Ray

Mar 28

I built an overnight strategy tournament to find the best trading algorithm while I sleep

#python #algorithmictrading #opensource #selfhosted

3 min read

Ray

Mar 28

"How My Trading Bot Evolves Its Own RSI Strategy Overnight (Without Me Touching It)"

#python #trading #algorithms #opensource

4 min read

Ray

Mar 28

"10 Stripe Billing Anomalies I Monitor in Real-Time (And the Code Behind Each One)"

#python #stripe #webhooks #opensource

1

4 min read

Ray

Mar 28

"Why I Stopped Trusting Backtests and Built a Live Paper Trading Tournament Instead"

#python #trading #finance #algorithms

1

3 min read

Ray

Mar 27

"Self-Hosted Stripe Billing Anomaly Detection with FastAPI"

#showdev #monitoring #opensource #python

1

2 min read

Ray

Mar 27

"How I Built a Paper Trading Bot in Python with Alpaca"

#api #automation #python #tutorial

2

2 min read

Ray

Mar 27

Self-Hosted Stripe Billing Anomaly Detection with FastAPI

#python #fastapi #stripe #opensource

2

2 min read

Ray

Mar 27

How I Built a Paper Trading Bot in Python with Alpaca

#python #trading #alpaca #opensource

1

2 min read

Ray

Mar 27

I Ran a 4-Strategy AI Trading Tournament in Paper Trading — Here's Who Won

#python #trading #algorithmic #ai

3 min read

Ray

Mar 27

The Silent $800 MRR Killer: Why I Built BillingWatch

#python #stripe #billing #startup

1

3 min read

Ray

Mar 27

How I Added a Circuit Breaker to My AI Trading Bot (And Why Every Algo Needs One)

#python #trading #algorithms #finance

1

3 min read

Ray

Mar 27

How I Give My AI Agent a Persistent Personality (The SOUL.md Pattern)

#ai #claude #automation #productivity

3 min read

Ray

Mar 26

How to Detect Stripe Billing Anomalies Before Your Customers Do

#stripe #python #monitoring #devops

3 min read

Ray

Mar 26

How I Built a Real-Time Stripe Webhook Anomaly Detector (Architecture + Code)

#stripe #python #saas #webdev

1

4 min read

Ray

Mar 26

6 Config Files That Turned Claude into a 24/7 Autonomous Agent

#claude #ai #programming #productivity

4 min read

Ray

Mar 26

How to Build a CLI AI Agent Task Runner (Architecture + Code)

#python #ai #automation #devtools

3 min read

Ray

Mar 26

How I Stopped Re-Explaining Everything to Claude Code Every Single Session

#claudecode #ai #productivity #devtools

1

4 min read

Ray

Mar 26

I Found 4 Backtesting Biases in My AI Trading Bot (83% Returns to Realistic)

#python #trading #algorithms #finance

1

2 min read

Ray

Mar 26

5 Stripe Billing Bugs That Cost SaaS Companies Thousands (And How to Catch Them)

#stripe #saas #billing #webdev

2 min read

Ray

Mar 25

I Built a Stock Scanner with Python and RSI Signals — Here is What I Learned

#python #trading #finance #stocks

3 min read