Nifty Corners Cube

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Rounded corners the javascript way
Nifty Corners Cube

StackOverflow.com

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Random snippets of all sorts of code, mixed with a selection of help and advice.

C# WPF MVVM Command class not working - ICommand implementation

21 April 2026 @ 6:05 am

I am working on a WPF project using the MVVM pattern. My project is structured into three separate projects/namespaces to maintain a clean separation of concerns: • Model: Contains the data classes (e.g., class.cs) • ViewModel: Contains the Command implementation and the ViewModels (e.g., VMClass.cs, VMMainWindow.cs). • View (Main Project): The XAML UI that references the ViewModel project. The Issue: Even though my DataContext is correctly set in XAML and the bindings don't show any errors in the output, the logic inside my Command is never executed. My Code Implementation:. Here is my code: // Inside ViewModel Project public class Command : ICommand { private Action<object> action; public Command(Action<object> action) { this.action = action; } public bool CanExecute(object parameter) => true; pub

Detect orphan pages and calculate PageRank-style link equity in TypeScript

21 April 2026 @ 6:02 am

I'm building an SEO audit tool where I need to analyze the internal link structure of a website. I have three specific problems: I need to find orphan pages — pages that no other page links to, making them invisible to crawlers I want to calculate link equity scores (PageRank-style) to understand which pages accumulate the most authority I need contextual link suggestions based on topic overlap between pages that aren't currently linking to each other What I've tried: // Manual orphan detection — O(n²) and hard to maintain const allLinks = pages.flatMap(p => p.links); const orphans = pages.filter(p => !allLinks.includes(p.url)); // No link equity scoring, no suggestions, no graph structure Problems with this approach: URL normalization issues — trailing slashes cause m

i want to practice python problems without dsa so is anyone can prescribe me any source

21 April 2026 @ 5:58 am

how are you My name is kk i am learning Python from YouTube. I will watch approximately full tutorials, but I didn't remember some things. I know these things are removed by practice, but I can't find where I practice Python codes, so can anyone prescribe me any source to practice Python codes

How do QA engineers choose screen sizes and device breakpoints for testing a responsive static website?

21 April 2026 @ 5:56 am

I’m doing manual QA for a responsive static website and want to define a professional set of screen sizes/devices for testing (mobile, tablet, desktop), including edge cases and in-between widths. How do teams typically decide: Which viewport widths to test (e.g. 375, 768, 1440)? Whether to prioritize CSS breakpoints vs real device resolutions? How many real devices vs browser emulators to use? How to cover “in-between” widths where layout bugs often appear? I’m looking for industry best practices or QA workflows.

How to intercept a response before it is seen by Logbook

21 April 2026 @ 5:48 am

A question about interceptors. How can I intercept an HTTP response with one interceptor before Logbook intercepts it? The goal is to clean the JSON from unnecessary fields before Logbook intercepts it. That is, the first interceptor removes unnecessary fields and only then passes the cleaned model to Logbook. How can this be implemented? And is it even possible? I tried writing an interceptor, but when calling execution.execute(request, body), Logbook immediately sees the response and intercepts it before I have a chance to modify anything. What should I do? I have this configuration: @Configuration public class ClientConfiguration { @Bean public SomeApiClient apiClient(RestClient.Builder restClientBuilder, Logbook logbook, @Value("${api.external.service.url}") String url, ObjectM

Next.js 14 App Router: useEffect not running on route change when navigating between dynamic segments

21 April 2026 @ 5:28 am

I am building a Next.js 14 app using the App Router. I have a dynamic route /products/[id] and I'm using useEffect with the params.id as a dependency to fetch data whenever the user navigates to a different product. The problem: When I navigate from /products/1 to /products/2 using <Link>, the useEffect does not re-run. The component does not re-render with the new product data — the page still shows the old product. My component (app/products/[id]/page.tsx): 'use client'; import { useEffect, useState } from 'react'; import { useParams } from 'next/navigation'; interface Product { id: number; title: string; description: string; } export default function ProductPage() { const params = useParams(); const id = params.id as string;

AWS IoT Things authorizing

21 April 2026 @ 5:16 am

I have a bunch of Things in the AWS IoT and every now and then different customers ask me to add another Thing. Now one customer would like to maintain their own Things (add/update). What is the best way to authorize the Things so that they cannot delete/edit other Things than their own? It's ok if they can see other Things as well. I tried to achieve this with Thing Groups, but so far haven't succeeded. Is it possible to do this with groups? Things can be named whatever, they do not have certain prefix.

How to go from theoretical Concept of Layers (Input, Hidden and Output) of AI Neural Network and Write in CODE

21 April 2026 @ 1:37 am

I am currently working on a project to create a working Ai Neural Network in C++, I have watched and read many articles on Layers concept but I still don't know from where to start with the layers things, like do I need a specific function or something like that, since we input x and compute to get y the output. Everything seems quite vague about this. class Layers{ };

WPF MVVM: ComboBox not updating correctly after adding new item

21 April 2026 @ 1:17 am

I am working on a WPF application using the MVVM pattern. I have an ObservableCollection bound to a ComboBox, and I add new items via a button. The problem: The ComboBox initially shows items, but when I add a new recipe, the UI behaves unexpectedly (e.g., it doesn’t update correctly or shows strange behavior).

Trying to design a flask sql cart and products page [closed]

21 April 2026 @ 12:34 am

Could someone help me design code for a shopping page and working cart. # Import Flask tools for routes, templates, JSON, redirects, and URL building from flask import Flask, render_template, jsonify, redirect, url_for # Import sqlite3 to work with the SQLite database directly import sqlite3 # Create the Flask app app = Flask(__name__) # Database file name DATABASE = "shopping.db" # ----------------------------- # DATABASE CONNECTION FUNCTION # ----------------------------- def get_db_connection(): # Connect to the SQLite database file conn = sqlite3.connect(DATABASE) # Let rows behave like dictionaries conn.row_factory = sqlite3.Row # Return the connection return conn # ----------------------------- # CREATE DATABASE TABLES # ----------------------------- def init_db(): # Open database connection conn = get_db_connection() cursor = conn.cursor() # Create the products table cursor.execute("&qu

960.gs

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CSS Grid System layout guide
960.gs

IconPot .com

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Totally free icons

Interface.eyecon.ro

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Interface elements for jQuery
Interface.eyecon.ro

ThemeForest.net

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WordPress Themes, HTML Templates.

kuler.adobe.com

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color / colour themes by design

webanalyticssolutionprofiler.com

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Web Analytics::Free Resources from Immeria
webanalyticssolutionprofiler.com

WebAIM.org

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Web Accessibility In Mind

Ask AIMee: An accessible accessibility-focused AI chatbot

31 March 2026 @ 4:49 pm

We’re happy to introduce AIMee – an easy-to-use, AI-powered conversational chatbot focused on accessibility. AIMee has been designed to be highly accessible to users with disabilities. Ask her accessibility questions to get quick answers and guidance. The name “AIMee” plays off of the “AIM” (Accessibility In Mind) from “WebAIM” and also “AI”. Here are some […]

A New Path for Digital Accessibility?

27 February 2026 @ 7:02 pm

Please note This post will explore how an adaptive, intelligent system could empower users with disabilities to optimize their experience in digital environments. Even were such a system available tomorrow, developers of digital content, services, and products would still be responsible for providing equal access to ALL users. Consider a few of the many exciting […]

2026 Predictions: The Next Big Shifts in Web Accessibility

22 December 2025 @ 11:22 pm

I’ve lived long enough, and worked in accessibility long enough, to have honed a healthy skepticism when I hear about the Next Big Thing. I’ve seen lush website launches that look great, until I activate a screen reader. Yet, in spite of it all, accessibility does evolve, but quietly rather than dramatically. As I gaze […]

Word and PowerPoint Alt Text Roundup

31 October 2025 @ 7:14 pm

Introduction In Microsoft Word and PowerPoint, there are many types of non-text content that can be given alternative text. We tested the alternative text of everything that we could think of in Word and PowerPoint and then converted these files to PDFs using Adobe’s Acrobat PDFMaker (the Acrobat Tab on Windows), Adobe’s Create PDF cloud […]

Accessibility by Design: Preparing K–12 Schools for What’s Next

30 July 2025 @ 5:51 pm

Delivering web and digital accessibility in any environment requires strategic planning and cross-organizational commitment. While the goal (ensuring that websites and digital platforms do not present barriers to individuals with disabilities) and the standards (the Web Content Accessibility Guidelines) remain constant, implementation must be tailored to each organization’s needs and context.   For K–12 educational agencies, […]

Up and Coming ARIA 

30 May 2025 @ 6:19 pm

If you work in web accessibility, you’ve probably spent a lot of time explaining and implementing the ARIA roles and attributes that have been around for years—things like aria-label, aria-labelledby, and role="dialog". But the ARIA landscape isn’t static. In fact, recent ARIA specifications (especially ARIA 1.3) include a number of emerging and lesser-known features that […]

Global Digital Accessibility Salary Survey Results

27 February 2025 @ 8:45 pm

In December 2024 WebAIM conducted a survey to collect salary and job-related data from professionals whose job responsibilities primarily focus on making technology and digital products accessible and usable to people with disabilities. 656 responses were collected. The full survey results are now available. This survey was conducted in conjunction with the GAAD Foundation. The GAAD […]

Join the Discussion—From Your Inbox

31 January 2025 @ 9:01 pm

Which WebAIM resource had its 25th birthday on November 1, 2024? The answer is our Web Accessibility Email Discussion List! From the halcyon days when Hotmail had over 35 million users, to our modern era where Gmail has 2.5 billion users, the amount of emails in most inboxes has gone from a trickle to a […]

Using Severity Ratings to Prioritize Web Accessibility Remediation

22 November 2024 @ 6:30 pm

So, you’ve found your website’s accessibility issues using WAVE or other testing tools, and by completing manual testing using a keyboard, a screen reader, and zooming the browser window. Now what? When it comes to prioritizing web accessibility fixes, ranking the severity of each issue is an effective way to prioritize and make impactful improvements. […]

25 Accessibility Tips to Celebrate 25 Years

31 October 2024 @ 4:38 pm

As WebAIM celebrates our 25 year anniversary this month, we’ve shared 25 accessibility tips on our LinkedIn and Twitter/X social media channels. All 25 quick tips are compiled below. Tip #1: When to Use Links and Buttons Links are about navigation. Buttons are about function. To eliminate confusion for screen reader users, use a <button> […]

CatsWhoCode.com

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Titbits for web designers and alike

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