<![CDATA[Stories by Anas Issath on Medium]]> https://medium.com/@anas-issath?source=rss-534d4df44190------2 https://cdn-images-1.medium.com/fit/c/150/150/1*oKOWTM7IfttkXEpJG_MtUQ.png Stories by Anas Issath on Medium https://medium.com/@anas-issath?source=rss-534d4df44190------2 Medium Thu, 05 Nov 2026 16:44:19 GMT <![CDATA[PostgreSQL Said “Committed.” 234 Orders Were Gone After the Crash.]]>

What commit really promises your app

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]]> https://levelup.gitconnected.com/postgresql-said-committed-234-orders-were-gone-after-the-crash-b04f455f7292?source=rss-534d4df44190------2 https://medium.com/p/b04f455f7292 Wed, 04 Nov 2026 16:26:44 GMT 2026-11-04T16:26:44.206Z <![CDATA[Adding a Database Server Doubled Capacity. One Index Multiplied It by 2,600.]]>

Measure first, then climb the ladder

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Why Python’s is and == are not the same thing, how one of them lies about numbers, and the single rule that keeps you safe

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]]> https://medium.com/backend-engineers-club/x-is-257-was-true-on-monday-and-false-on-tuesday-5d13c21e4638?source=rss-534d4df44190------2 https://medium.com/p/5d13c21e4638 Sun, 01 Nov 2026 01:12:24 GMT 2026-11-01T01:12:24.740Z <![CDATA[My Page Ran One Query in Development and 5,000 in Production]]>

The N+1 problem: how a harmless-looking loop quietly fires one database query per row, and the two methods that collapse it back to one

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]]> https://medium.com/backend-engineers-club/my-page-ran-one-query-in-development-and-5-000-in-production-c6c5b69dfa85?source=rss-534d4df44190------2 https://medium.com/p/c6c5b69dfa85 Wed, 28 Oct 2026 08:30:04 GMT 2026-10-28T08:30:04.559Z <![CDATA[My API Was Returning Every User’s Password Hash. I Didn’t Notice for Weeks.]]>

Why a FastAPI endpoint happily sends back fields you never meant to expose, and the one line that filters them out

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]]> https://levelup.gitconnected.com/my-api-was-returning-every-users-password-hash-i-didn-t-notice-for-weeks-5291294eed0a?source=rss-534d4df44190------2 https://medium.com/p/5291294eed0a Mon, 26 Oct 2026 03:04:21 GMT 2026-10-26T03:04:21.630Z <![CDATA[You’re Not Perfecting the Product. You’re Stalling the Verdict.]]>

Perfection is just delayed fear

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]]> https://medium.com/write-a-catalyst/youre-not-perfecting-the-product-you-re-stalling-the-verdict-fc688f9cc5e2?source=rss-534d4df44190------2 https://medium.com/p/fc688f9cc5e2 Sun, 25 Oct 2026 15:42:38 GMT 2026-10-25T15:42:38.195Z <![CDATA[Finding Bugs Just Got Cheap. Fixing Them Didn’t.]]>

AI moved the bottleneck in backend engineering. Most teams are still optimizing the wrong side.

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]]> https://medium.com/backend-engineers-club/finding-bugs-just-got-cheap-fixing-them-didnt-571d89d85035?source=rss-534d4df44190------2 https://medium.com/p/571d89d85035 Sun, 25 Oct 2026 14:50:58 GMT 2026-10-25T14:50:58.391Z <![CDATA[What Service Companies Teach You That Product Companies Don’t]]>

In Sri Lanka’s tech scene, everyone tells you to “escape outsourcing.” Some of my most useful engineering skills came from staying in it.

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]]> https://medium.com/backend-engineers-club/what-service-companies-teach-you-that-product-companies-dont-c671fa54152c?source=rss-534d4df44190------2 https://medium.com/p/c671fa54152c Sun, 25 Oct 2026 05:21:40 GMT 2026-10-25T05:21:40.760Z <![CDATA[I Built Five Functions in a Loop. They All Did the Same Thing.]]>

Why every function you create inside a for loop quietly captures the last value, and the one-word fix the Python docs give you

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]]> https://medium.com/backend-engineers-club/i-built-five-functions-in-a-loop-they-all-did-the-same-thing-ad1205882cb3?source=rss-534d4df44190------2 https://medium.com/p/ad1205882cb3 Fri, 23 Oct 2026 08:38:29 GMT 2026-10-23T08:38:29.219Z <![CDATA[The Python Function That Remembered Its Last Call]]>

Why def f(items=[]) shares one list across every call, and the one-line habit that fixes it forever

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]]> https://medium.com/backend-engineers-club/the-python-function-that-remembered-its-last-call-da6cfb2e7173?source=rss-534d4df44190------2 https://medium.com/p/da6cfb2e7173 Wed, 21 Oct 2026 06:01:01 GMT 2026-10-21T06:01:01.697Z