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ExternalSoftware Engineering
DEV Community

Context Windows: The Model's Working Memory

A context window is the maximum number of tokens a language model can process in one go. It includes the system prompt, conversation history, and the model's own output. Inside the model, self-attention and a key-value cache enforce this limit, acting as the model's working memory. When the window fills up, older information falls out, and the model can no longer use it. But here is the twist: the model's performance drops even when the window is not full. If you bury a crucial detail in the mid

aicontextwindowmemory
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ExternalSoftware Engineering
DEV Community

This week: payments in the framework, nine brands migrated in an hour, and the start of a video pipeline

This was a consolidation week. I run a bunch of small products under ITW Creative Works, and for years each one carried its own slightly different website, backend, and config. This week most of that duplication died. Most of the week went into OMEGA, the framework I'm building to run every brand: ten minor releases in seven days (0.29 → 0.43). The headline pieces: Payments, end to end. Checkout, billing UI, discount handling, and production gating now live in the framework. A brand turns paymen

devlogwebdevjavascript
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ExternalSoftware Engineering
GitHub Changelog

Copilot code review: Resolution reasons and expanded capabilities

Copilot code review can now review two types of pull requests it didn’t cover before: Reviews requested automatically on pull requests authored by bots, including Copilot cloud agent Very large… The post Copilot code review: Resolution reasons and expanded capabilities appeared first on The GitHub Blog.

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ExternalSoftware Engineering
DEV Community

Four Java Bugs That Bad Indentation Hides in Plain Sight

javac does not care what your code looks like. Whitespace carries zero meaning in the Java Language Specification, so the compiler reads your file as a stream of tokens and skips every space you typed. Fine for the machine. A problem for you, because indentation is the part of the code that talks to humans. When the layout says one thing and the braces say another, the reader trusts the layout, and the bug ships. Here are four bugs I have either shipped, reviewed, or nearly missed. Every snippet

javaprogrammingcodequality
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ExternalSoftware Engineering
DEV Community

Attacks on Water OT: Over 100 Internet-Exposed Systems Targeted in July

1. Overview Title: CISA: Over 100 Internet-Exposed Water Systems Targeted in July Cyberattacks Source: SecurityWeek Published: 2026-08-26 Original Source: SecurityWeek Related Resources: CISA Internet Exposure Reduction Guidance Related Malware, Threat Groups, CVEs, Products: Iran-linked threat actors (reported attribution for the broader activity), Programmable Logic Controllers, cellular modems, Water and Wastewater Systems OT Severity: High In July 2026, CISA observed malicious activi

securitythreatintel
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ExternalSoftware Engineering
GitHub Changelog

GitHub Classroom deprecated

As of August 28, 2026, GitHub Classroom is now deprecated in favor of our selected partner solutions. The GitHub Classroom website, APIs, and related services have now been decommissioned. However,… The post GitHub Classroom deprecated appeared first on The GitHub Blog.

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