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Lei Vertri20h ago · 5 min read

When Windows Hides Extensions, Users Drop the Wrong File — and Your Error Message Makes It Worse

I build a browser tool that opens Audacity projects. Modern projects (.aup3 / .aup4) are SQLite databases. While Audacity has one open, SQLite keeps a write-ahead log beside it: <name>.aup4-wal. That

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Cruxtab Technologies Pvt. Ltd.1d ago · 3 min read

Designing Webhook Failure Logging and Retry Handling for Shopify Apps

Webhook processing does not always succeed on the first attempt. An external API may be unavailable, a database operation may fail, or an unexpected payload may interrupt processing. A reliable Shopif

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Cruxtab Technologies Pvt. Ltd.1d ago · 3 min read

Error Handling and Observability for External API Integrations

External API integrations make applications more useful, but they also introduce dependencies outside the application's direct control. An external service may be unavailable, reject a request, return

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Cruxtab Technologies Pvt. Ltd.2d ago · 3 min read

Making Application Error Reporting Resilient

Error reporting is intended to help developers understand application failures. But what happens when the reporting system itself fails? A Slack webhook may be misconfigured, the remote service may be

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Cruxtab Technologies Pvt. Ltd.2d ago · 3 min read

Centralizing Application Error Reporting with Slack

When an application encounters an unexpected error, the first challenge is often discovering that something went wrong. Without centralized reporting, developers may need to reproduce the issue locall

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PDF Python Hub4d ago · 2 min read

Python if uploaded_file is not None, try, and except Exception Explained

These Python statements are commonly used when handling uploaded files, especially in applications built with Streamlit. 1. Check whether a file was uploaded if uploaded_file is not None: if checks

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Dmitry Kakurin5d ago · 8 min read

Some functions can both fail and return nothing

In the previous post we've limited Union Types to just two kinds: ?T for T | None and !T for T | Error. One of the corollaries was that ?!T/!?T is not supported, because it would mean T | None | Error

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Dmitry Kakurin6d ago · 6 min read

Better error handling with just two Union Types

In previous posts I've covered my beef with error handling in some programming languages: Why Go-style error handling is not great Why TypeScript and Crystal have the best Union Types But what can w

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Dmitry Kakurin6d ago · 5 min read

Why Go-style error handling is not great

There is an important concept in software development called "correct by construction" 1. Briefly, it means incorrect things cannot be expressed using a language/library/config/etc. in question. And i

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Tarek Elzoghby | طارق الزغبيOct 19 · 6 min read

Ambiguous, Invalid, or System Error?

In my previous post, I wrote about the problems I found while defining the categories for an AI intake classifier. I left ambiguous and invalid for another post. Those two states turned out to be only

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When Windows Hides Extensions, Users Drop the Wrong File — and Your Error Message Makes It Worse

Designing Webhook Failure Logging and Retry Handling for Shopify Apps

Error Handling and Observability for External API Integrations

Making Application Error Reporting Resilient

Centralizing Application Error Reporting with Slack

Python if uploaded_file is not None, try, and except Exception Explained

Some functions can both fail and return nothing

Better error handling with just two Union Types

Why Go-style error handling is not great

Ambiguous, Invalid, or System Error?