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ExternalSoftware Engineering
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Stop Coding the AI, Code the World: A Simple Guide to Markov Decision Processes

Imagine you are trying to teach a robotic dog to fetch a ball in a park. You could try to write a program that calculates the exact wind speed, the angle of the grass, and the friction of the mud to tell the dog exactly how to move its leg. That sounds exhausting, and if a squirrel runs by, the dog will probably crash into a tree. Instead, what if you just gave the dog a treat every time it moved closer to the ball and took a treat away when it walked the wrong way? Eventually, the dog figures i

reinforcementlearningmdpmarkovdecisionprocesses
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ExternalSoftware Engineering
DEV Community

Permission Withdrawal: Auditable Data Consent and Active Session Access

Short answer: treat data consent revocation and active session revocation as separate controls, then connect them with an explicit policy: stop newly forbidden data operations immediately, but terminate the whole session only when identity risk, account recovery, or regulation requires it. Decision Existing session Protected data operations Best fit Revoke consent only Keep it active Deny the withdrawn scope A user removes optional data permission Revoke sensitive grants Keep it active,

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ExternalTechnology Trends
HN RSS Best

TALA Is Open-Source

Article URL: https://d2lang.com/blog/tala-is-open-source/ Comments URL: https://news.ycombinator.com/item?id=49604150 Points: 299 # Comments: 23

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ExternalSoftware Engineering
DEV Community

The Sneaky Coordinator Leak in UIViewRepresentable

Let's talk a little about a memory leak I recently found while working with UIViewRepresentable. import SwiftUI import UIKit final class CallbackButton: UIButton { var onTap: (() -> Void)? override init(frame: CGRect) { super.init(frame: frame) addTarget(self, action: #selector(handleTap), for: .touchUpInside) } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } @objc private func handleTap() { onTap?()

debuggingiosmobile
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ExternalSoftware Engineering
DEV Community

Gemini Often Won't Search the Web — and Won't Tell You It Didn't

Ask Gemini a question that obviously needs the live web — today’s weather where you are, a current price, whether a shop is open now — and there’s a good chance it will answer instantly, confidently, and without ever searching. No spinner, no “let me check”, no sources. Just a fluent answer assembled from whatever was in its training data, which may be months or years stale. And nothing in the reply tells you it never looked. Answer first, because the mechanism is more specific than “the AI is b

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ExternalSoftware Engineering
DEV Community

I built a free image preprocessor to get better OCR results (PrepOCR)

The problem OCR is only as good as the image you feed it. A scanned form that's slightly tilted, low-contrast, or has a noisy background can tank recognition accuracy — even with a good OCR engine behind it. Most of the time the fix isn't a better OCR model, it's a cleaner input image. I wanted something small I could throw a batch of images at before sending them to an OCR pipeline, so I built PrepOCR — a free image preprocessing service focused specifically on the transformations that actual

ocrimageprocessingscala
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ExternalSoftware Engineering
DEV Community

Node.js Account Shutdown: Token Revocation and Eventual Deletion in 3 Steps

In a customer-support system, the hard part of account shutdown is deciding what must stop now and what can wait. A stolen refresh token is an immediate abuse problem; an account deletion request is a data-lifecycle problem with a different recovery window. Short answer: keep a stable user ID, mark profile state before destructive work, revoke every session for a compromise, and delete only after the recovery and audit requirements are satisfied. Profile state and session revocation are compleme

accountshutdownprofile
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ExternalSoftware Engineering
DEV Community

Future AWS Agent Engineer? I Didn't Write the Code. Does It Count?

A few weeks ago I wrote about hitting ReAct in the coursework and having a record scratch moment, because I had already met it without knowing its name. That post ended on a section called "Building Ahead of Understanding," which was me making peace with shipping things before I fully understand them. This week I shipped my first chatbot. It passed on the first attempt, on deadline day, on a project where the rubric was grading a product AWS had already discontinued. And I spent most of that day

aiawslearning
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