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ExternalSoftware Engineering
DEV Community

The Monday unlock checklist: fail-closed before your agents fan out

Monday is when agent fleets wake up hungry. New model defaults. New tool schemas. A coordinator that “helpfully” spawns three friends. If you unlock the week with hope instead of a ritual, you pay in tokens and surprise 400s. Here is a fail-closed Monday unlock I use as an editor of operator briefs — schemas first, permission second, spend third. Steal it. Fail-closed is simple: missing, unknown, or unvalidated ⇒ stop. Not “best-effort.” Not “the model will figure it out.” If a field is absent,

aiagentsdevops
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ExternalSoftware Engineering
DEV Community

Stop Grinding the Same 100 Problems: Prep for the OA You’ll Actually Get in 2026

Takeaway up front: If your target list is company-specific, a frozen “top 100” grind is often the wrong loop. Cohort freshness — what this company is sending in this hiring wave — usually beats another pass through the same classic set. Hey — quick intro so you know what you’re following. This account is for SWE new grads, interns, and job seekers who are tired of treating interview prep like an infinite LeetCode treadmill. The plan here is simple: short notes on company-scoped OA patterns for t

interviewcareeralgorithms
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ExternalSoftware Engineering
DEV Community

Stop Thinking in Rows: GListModel and the Modern List Mindset

This is the third entry in A Field Guide to GTK Widgets — a series about which widget to reach for, when, and what bites you when you do. We're jumping straight to lists, ahead of layout and navigation, because it's the material the reference documents worst. Each post stands on its own, and the complete, runnable code for this one lives in the companion repo. Say you're showing a handful of tasks. The obvious way to do it doesn't require reading any documentation at all: let list_box = gtk::Lis

gtkrustgnome
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ExternalTechnology Trends
The Verge Tech

Is Big Tech’s AI slowdown a safety pact or a cartel?

When OpenAI CEO Sam Altman, Anthropic CEO Dario Amodei, Google DeepMind cofounder Demis Hassabis, and SpaceX head Elon Musk loosely agreed over the weekend to slow down AI development, skeptics spotted an ulterior motive immediately. The AI titans had declared that their aim was to "pace the frontier," signing on at least partially to a proposal for embedding third-party auditors, regulating domestic labs, and reaching a global slowdown agreement. Their critics, however, argued they simply wante

The Verge TechRead original
ExternalSoftware Engineering
DEV Community

Balancing Battery and Precision: My Journey Building a Geofencing Engine

It happened during a quiet Friday sermon at the mosque. The room was hushed, filled with the soft hum of devotion, when a piercingly loud notification chime erupted from a phone in the front row. The owner scrambled to silence it, visibly flustered, his face turning beet red as heads turned in irritation. That moment wasn't just a nuisance; it was a profound social disruption. I sat there wondering why, in an era where our phones are capable of processing millions of instructions per second, the

androidkotlinmobiledev
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ExternalSoftware Engineering
DEV Community

I built Craftfolio — I'd like some honest feedback

Hey everyone, I’ve been building Craftfolio, a tool for creating developer portfolios and resumes. I started it mainly as a way to push myself beyond smaller coding projects and build something that could actually be useful to other developers. Some of the things I’ve built into it include live previews, importing content, different portfolio styles, HTML export, and PDF printing. I’m still working on it, and I’m particularly interested in feedback on the UI, overall experience, and what you thi

frontendportfolioshowdev
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ExternalSoftware Engineering
DEV Community

Why are you still debugging Spark on your host machine?

Last October, a "minor" dependency bump in a PySpark job cost us four hours of downtime and roughly $12,000 in cloud compute credits. A developer had tested a new UDF locally using an older version of delta-spark than what we ran on our EMR cluster. Locally, the serialization worked fine. In production, the different Scala/Java versions in the underlying runtime caused a java.io.NotSerializableException that only manifested when the data volume hit a specific shuffle threshold. We spent hours t

sparkdockerdata
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