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Tag: WebDev
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StackOverflow.com
Random snippets of all sorts of code, mixed with a selection of help and advice.
How to unescape HTML entities in python
31 March 2026 @ 7:32 pm
I’m working with text data in Python that contains HTML-escaped entities such as &, <, and >. These entities appear in strings retrieved from external sources like web pages or APIs, and I need to convert them back into their original characters (for example, & → &). What is the most efficient and reliable way to unescape or decode these HTML entities in Python? Are there built-in libraries or recommended approaches for handling this, and how do they compare in terms of performance and simplicity?
integrate() returns 0 for large finite upper bounds but correct result for Inf
31 March 2026 @ 7:25 pm
I'm observing inconsistent behavior with integrate() in R when using large finite upper bounds versus Inf.
Consider the integral:
integrate(\(x) x^2 * exp(-x), 0, Inf)
# 2 with absolute error < 7.1e-05
This is correct (the true value is 2).
However, when I replace Inf with a large finite number:
integrate(\(x) x^2 * exp(-x), 0, 10000)
# 2 with absolute error < 0.00011
integrate(\(x) x^2 * exp(-x), 0, 100000)
# 2.429968e-41 with absolute error < 4.8e-41
integrate(\(x) x^2 * exp(-x), 0, 1000000)
# 0 with absolute error < 0
At some point, the result collapses to essentially zero, which is clearly incorrect.
Interestingly, reducing the upper bound again works:
integrate(\(x) x^2 * exp(-x), 0, 1000)
# 2 with absolute error < 1.6e-06
Questions:
Why does integrate() fail for
Interface and @overflow topic
31 March 2026 @ 7:16 pm
If an interface cannot extends a class then who it is possible to override to String method, equals method and hash method? As it is Interface it cannot implements the class property and doesn't have right to create a constructor. Then how it is possible to override the to String method, hash method and equals method?
For which urls is the http-authentication-factory name="application-http-authentication" from elytron used?
31 March 2026 @ 6:52 pm
I have an example from wildfly, wildfly-widgets. There credentials are in a realm which is added to ApplicationDomain. The following urls work:
https://<myhostname>:8443/wildfly-widgets/inventory
http://localhost:8080/wildfly-widgets/inventory
But I was wondering where the second http-authentication-factory below is used for. The first one, management-http-authencation is used: when I change it or remove it, login in the management gui doesn't work anymore. But if I remove the second one, everything still works, at least for the urls I gave above.
Here the how the two http-authentication-factory are defined:
<subsystem xmlns="urn:wildfly:elytron:18.0" final-providers="combined-providers" disallowed-providers="OracleUcrypto">
...
<http>
<http-authentication-factory name="management-http-authentication" security-domain="ManagementDomai
How To Get Tasker to match a date
31 March 2026 @ 5:10 pm
I am trying to get an "if" condition in a Tasker task to match any date of the form MM/DD/YYYY. I have tried many regex forms including \d{1,2}/\d{1,2}/\d{4} but it doesn't match. Any ideas of a condition that will match any date of the above form?
Merriweather Google Font doesn't work with font-stretch
31 March 2026 @ 2:17 pm
On the Google Fonts page for Merriweather, it shows it has a variable width that you can test on the site. But when I have the font embedded in a site, there is no option:
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Merriweather:ital,opsz,wght@0,18..144,300..900;1,18..144,300..900&display=swap" rel="stylesheet">
</head>
<body>
<h1 style="font-family: Merriweather; font-stretch: 87.5">Lorem ipsum</h1>
<h1 style="font-family: Merriweather; font-stretch: 100">Lorem ipsum</h1>
</body>
</html>
Migrating Delphi application to .NET: Framework 4.8 vs .NET 6+ for COM/Hydra interop
31 March 2026 @ 6:39 am
We're planning a phased migration of a large Delphi application to C#/.NET. The migration strategy involves:
Running Delphi and C# side-by-side during transition (12-24 months)
Using RemObjects Hydra (or COM interop) for Delphi ↔ C# communication
Gradually replacing Delphi modules with C# equivalents
Our dilemma: Should we target .NET Framework 4.8 initially or go directly to modern .NET (6/8/10)?
Option A: .NET Framework 4.8 → Later upgrade
Pros:
Well-documented Delphi interop patterns
Proven Hydra support
Lower risk during pilot phase
Cons:
Requires migration to modern .NET later
Creates temporary technical debt
Double deployment/testing effort
Option B: Mo
App Store Connect says RPBroadcastProcessMode is missing in ReplayKit broadcast upload extension, but archive and IPA both contain it
31 March 2026 @ 2:44 am
I’m trying to upload an iOS app that now includes a ReplayKit Broadcast Upload extension.
This app already had another extension (WidgetKit), and I had successfully uploaded/distributed multiple previous builds through App Store Connect. The upload issue only started after I added the ReplayKit Broadcast Upload extension.
App Store Connect validation now fails during upload with an error saying the broadcast extension is missing RPBroadcastProcessMode, even though that key is present in both the archived app and the exported IPA.
The validation error says that the value for RPBroadcastProcessMode in the broadcast extension is invalid, and that the key was not specified. It expects either RPBroadcastProcessModeSampleBuffer or RPBroadcastProcessModeMP4Clip.
In my extension plist, the extension is configured as a broadcast upload extension with:
NSExtensionP
Is there a better way to do this clunky function (maps, arrays, sets or none of them)?
30 March 2026 @ 8:46 pm
For context: I'm new to coding and still learning.
What I want:
I recently started to play around with JavaScript, and was trying to make this function as "unrepetitive" as possible. I'd like it so I could pick a random entry from an array (or something similar) that meets the logical comparison. In this case, if the type parameter is the same as the category in the entry.
You can see that I did somewhat achieve it like this, but it feels clunky... I'm not too sure. I haven't tested it just yet (kinda scared to see none of it works). So I'd appreciate constructive feedback!
function randStatus(type = "status") {
let status = "";
const buffOptions = [
"gunslinger",
"teamwork",
"sharpness",
"distraction",
"trick",
"undying",
"badassery",
"stabilit
Virtual range initializer in C++ to be used in range-based for loop
30 March 2026 @ 12:17 pm
I want an abstract class range initializer that can be used in a range-based for loop. Is such a thing even possible? Currently I only see how to do that with non-abstract classes.
Class TestRange acts as an iterator. TestRangeB and TestRangeC have different internal behaviour.
#include <array>
#include <iostream>
class A {
public:
class TestRange {
public:
friend bool operator==(const TestRange& lhs, const TestRange& rhs) {
return lhs.getId() == rhs.getId();
}
friend bool operator!=(const TestRange& lhs, const TestRange& rhs) {
return !(lhs == rhs);
}
virtual int operator*() = 0;
int index = 0;
virtual int getId() const = 0;
};
class TestRangeInitializer {
public:
virtual TestRange* begin() = 0;
int end() { return -1; }
};
virtual TestRangeI
960.gs
CSS Grid System layout guide
960.gs
IconPot .com
Totally free icons
Interface.eyecon.ro
Interface elements for jQuery
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ThemeForest.net
WordPress Themes, HTML Templates.
kuler.adobe.com
color / colour themes by design
webanalyticssolutionprofiler.com
Web Analytics::Free Resources from Immeria
webanalyticssolutionprofiler.com
WebAIM.org
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> […]
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