📰 Dev.to · D
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Dev.to · D
1w ago
Why I stopped rotating active log files in Python
Active log files are not just paths. This is why I built D-SafeLogger around append-only routing instead of active-file rotation.
![[Side B] Should a Binary-Only FS Support Text Mode? Redrawing the Architecture Boundary](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fijefebogh4ocb6c8k99m.png)
Dev.to · D
1mo ago
[Side B] Should a Binary-Only FS Support Text Mode? Redrawing the Architecture Boundary
The design deliberation behind MFSTextHandle: how to add text I/O convenience to a binary-only in-memory FS without violating its core design principles.
![[Side A] SQLite's Shared In-Memory DB Disappears — and `deserialize()` Won't Save You](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fmhbwrzels1okyvl3jr22.png)
Dev.to · D
1mo ago
[Side A] SQLite's Shared In-Memory DB Disappears — and `deserialize()` Won't Save You
The surprising trap of SQLite's deserialize() with shared cache connections, and how the backup() API plus D-MemFS solves it cleanly.
![[Side B] Pursuing OSS Quality Assurance with AI: Achieving 369 Tests, 97% Coverage, and GIL-Free Compatibility](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fkzgnu27r1rfdz63ondpm.png)
Dev.to · D
2mo ago
[Side B] Pursuing OSS Quality Assurance with AI: Achieving 369 Tests, 97% Coverage, and GIL-Free Compatibility
How testing acts as a contract between design docs and code, and how AI generated exhaustive test cases to ensure D-MemFS runs safely in GIL-free environments.
![[Side A] Completely Defending Python from OOM Kills: The BytesIO Trap and D-MemFS 'Hard Quota' Design Philosophy](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F9vney0xtkjc0fo4kadmp.png)
Dev.to · D
2mo ago
[Side A] Completely Defending Python from OOM Kills: The BytesIO Trap and D-MemFS 'Hard Quota' Design Philosophy
Why soft quotas often fail in in-memory processing and how D-MemFS completely defends against Out-Of-Memory kills using Hard Quotas and a Memory Guard.
![[Side B] Breaking Free from Vibe Coding Fatigue: A Practical Record of Building an OSS with 'Spec-First AI Development'](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fiz5gho8rmunx6k14xvda.png)
Dev.to · D
2mo ago
[Side B] Breaking Free from Vibe Coding Fatigue: A Practical Record of Building an OSS with 'Spec-First AI Development'
How 'Specification-Driven Development' (SDD) with AI proved far superior to mindless Vibe Coding, resulting in 369 tests and zero dependencies.
![[Side A] Building a RAM Disk on Windows without Admin Privileges — Python I/O Acceleration Techniques](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fs9h2lkiz7yyur5mmw39d.png)
Dev.to · D
2mo ago
[Side A] Building a RAM Disk on Windows without Admin Privileges — Python I/O Acceleration Techniques
How to use D-MemFS as a pure-Python software RAM disk to speed up your I/O without needing admin rights or external tools.
![[Side B] Have you ever wanted to extract a ZIP file in memory? I have.](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F99xl1m6p6dci6t9zrf8q.png)
Dev.to · D
2mo ago
[Side B] Have you ever wanted to extract a ZIP file in memory? I have.
The origin story of D-MemFS: How waiting 15 minutes for tests led me to build a proper in-memory file system for Python.
![[Side A] Why BytesIO Isn't Enough — Building a Python In-Memory FS Library](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fay8w1mul4siw6paut9zw.png)
Dev.to · D
2mo ago
[Side A] Why BytesIO Isn't Enough — Building a Python In-Memory FS Library
Why io.BytesIO falls short when you need a real in-memory file system in Python, and how D-MemFS solves these exact problems with zero dependencies.
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