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Scrollbars in EdgeHtml WebView and Edge browser

2019 Aug 22, 5:35

The scrollbars in UWP WebView and in Edge have different default behavior leading to many emails to my team. (Everything I talk about here is for the EdgeHtml based WebView and Edge browser and does not apply to the Chromium based Edge browser and WebView2).

There is a Edge only -ms-overflow-style CSS property that controls scroll behavior. We have a different default for this in the WebView as compared to the Edge browser. If you want the appearance of the scrollbar in the WebView to match the browser then you must explicitly set that CSS property. The Edge browser default is scrollbar which gives us a Windows desktop styled non-auto-hiding scrollbar. The WebView default is -ms-autohiding-scrollbar which gives a sort of compromise between desktop and UWP app scrollbar behavior. In this configuration it is auto-hiding. When used with the mouse you'll get Windows desktop styled scrollbars and when used with touch you'll get the UWP styled scrollbars.

Since WebViews are intended to be used in apps this style is the default in order to better match the app's scrollbars. However this difference between the browser and WebView has led to confusion.

Here’s an -ms-overflow-style JSFiddle showing the difference between the two styles. Try it in the Edge browser and in WebView. An easy way to try it in the Edge WebView is using the JavaScript Browser.

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Win10 PWA Terminology

2018 May 31, 8:26

Folks familiar with JavaScript UWP apps in Win10 have often been confused by what PWAs in Win10 actually are. TLDR: PWAs in Win10 are simply JavaScript UWP apps. The main difference between these JS UWP Apps and our non-PWA JS UWP apps are our target end developer audience, and how we get Win10 PWAs into the Microsoft Store. See this Win10 blog post on PWAs on Win10 for related info.

Web App

On the web a subset of web sites are web apps. These are web sites that have app like behavior - that is a user might call it an app like Outlook, Maps or Gmail. And they may also have a W3C app manifest.

A subset of web apps are progressive web apps. Progressive web apps are web apps that have a W3C app manifest and a service worker. Various OSes are beginning to support PWAs as first class apps on their platform. This is true for Win10 as well in which PWAs are run as a WWA.

Windows Web App

In Win10 a WWA (Windows Web App) is an unofficial term for a JavaScript UWP app. These are UWP apps so they have an AppxManifest.xml, they are packaged in an Appx package, they run in an App Container, they use WinRT APIs, and are installed via the Microsoft Store. Specific to WWAs though, is that the AppxManifest.xml specifies a StartPage attribute identifying some HTML content to be used as the app. When the app is activated the OS will create a WWAHost.exe process that hosts the HTML content using the EdgeHtml rendering engine.

Packaged vs Hosted Web App

Within that we have a notion of a packaged web app and an HWA (hosted web app). There's no real technical distinction for the end developer between these two. The only real difference is whether the StartPage identifies remote HTML content on the web (HWA), or packaged HTML content from the app's appx package (packaged web app). An end developer may create an app that is a mix of these as well, with HTML content in the package and HTML content from the web. These terms are more like ends on a continuum and identifying two different developer scenarios since the underlying technical aspect is pretty much identical.

Win10 PWA

Win10 PWAs are simply HWAs that specify a StartPage of a URI for a PWA on the web. These are still JavaScript UWP apps with all the same behavior and abilities as other UWP apps. We have two ways of getting PWAs into the Microsoft Store as Win10 PWAs. The first is PWA Builder which is a tool that helps PWA end developers create and submit to the Microsoft Store a Win10 PWA appx package. The second is a crawler that runs over the web looking for PWAs which we convert and submit to the Store using an automated PWA Builder-like tool to create a Win10 PWA from PWAs on the web (see Welcoming PWAs to Win10 for more info). In both cases the conversion involves examining the PWAs W3C app manifest and producing a corresponding AppxManifest.xml. Not all features supported by AppxManifest.xml are also available in the W3c app manifest. But the result of PWA Builder can be a working starting point for end developers who can then update the AppxManifest.xml as they like to support features like share targets or others not available in W3C app manifests.

PermalinkCommentsJS pwa uwp web

Tweet from David Risney

2016 Sep 2, 8:53
Follow up question: If I'm mistakenly put on an email chain, should I hit "reply all" and link this NYT article? https://twitter.com/belong_io/status/771823316302606337 
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Tweet from Kumail Nanjiani

2016 Apr 5, 11:22
Terrified that the will reveal I never beat Dragon Age: Inquisition.
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Retweet of kumailn

2016 Jan 31, 11:26
pic.twitter.com/ynoEqTuAEZ
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Retweet of kumailn

2016 Jan 11, 7:30
I got to be in an ep of @thexfiles. While shooting late I got to record a casual convo w @GillianA & @davidduchovny. http://www.feralaudio.com/55-kumail-talks-to-david-duchovny-and-gillian-anderson-on-the-set-of-the-x-files/ …
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Tweet from David_Risney

2015 Nov 11, 2:51
Hit "I forgot my password", and now staring dumbfounded at email response that contains my actual password.
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Tweet from David_Risney

2015 Nov 3, 9:16
Isn't Gmail's new Smart Reply feature act one of Avogadro Corp? http://gmailblog.blogspot.com/2015/11/computer-respond-to-this-email.html …
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Retweet of kumailn

2015 Jul 20, 9:56
"President Donald Trump" is something even Demolition Man would have considered too ludicrous.
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Retweet of kumailn

2015 Jul 18, 4:55
I had been trying to stay calm & approach it like any other job. And then I freaked out soon as I saw this. pic.twitter.com/reBKXIlXQ4
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Retweet of waxpancake

2015 Jul 17, 1:12
The founder of T-Shirt Hell emailed this to his customers yesterday. http://www.tshirthell.com/truthor.htm 
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Retweet of xeni

2015 Mar 27, 8:09
Prisoner escapes by faking an email ordering his release http://boingboing.net/2015/03/28/prisoner-escapes-by-faking-an.html … pic.twitter.com/Adlz0ImH9g
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Why do Nigerian Scammers Say They are from Nigeria? - Microsoft Research

2014 Aug 26, 3:53

Mass mailing Internet scams intentionally use poor spelling, grammar etc to filter down to target ignorant audience .

PermalinkCommentstechnical security statistics

location.hash and location.search are bad and they should feel bad

2014 May 22, 9:25
The DOM location interface exposes the HTML document's URI parsed into its properties. However, it is ancient and has problems that bug me but otherwise rarely show up in the real world. Complaining about mostly theoretical issues is why blogging exists, so here goes:
  • The location object's search, hash, and protocol properties are all misnomers that lead to confusion about the correct terms:
    • The 'search' property returns the URI's query property. The query property isn't limited to containing search terms.
    • The 'hash' property returns the URI's fragment property. This one is just named after its delimiter. It should be called the fragment.
    • The 'protocol' property returns the URI's scheme property. A URI's scheme isn't necessarily a protocol. The http URI scheme of course uses the HTTP protocol, but the https URI scheme is the HTTP protocol over SSL/TLS - there is no HTTPS protocol. Similarly for something like mailto - there is no mailto wire protocol.
  • The 'hash' and 'search' location properties both return null in the case that their corresponding URI property doesn't exist or if its the empty string. A URI with no query property and a URI with an empty string query property that are otherwise the same, are not equal URIs and are allowed by HTTP to return different content. Similarly for the fragment. Unless the specific URI scheme defines otherwise, an empty query or hash isn't the same as no query or hash.
But like complaining about the number of minutes in an hour none of this can ever change without huge compat issues on the web. Accordingly I can only give my thanks to Anne van Kesteren and the awesome work on the URL standard moving towards a more sane (but still working practically within the constraints of compat) location object and URI parsing in the browser.
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Guardian - Secrets, lies and Snowden’s email: why I was...

2014 May 21, 2:11


Guardian - Secrets, lies and Snowden’s email: why I was forced to shut down Lavabit

"For the first time, the founder of an encrypted email startup that was supposed to insure privacy for all reveals how the FBI and the US legal system made sure we don’t have the right to much privacy in the first place"

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theatlantic: Victorian Trolling: How Con Artists Spammed in a...

2013 Oct 29, 7:42


theatlantic:

Victorian Trolling: How Con Artists Spammed in a Time Before Email

The main difference between 21st-century scams and those of centuries past is one of delivery method.

Read more. [Image: Wikimedia Commons/Benjamin Breen]

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Attention:!!!, Behold, you are reading a letter from your President Barack Obama.

2012 Sep 26, 2:43

Eric gets the most entertaining mail.

You have failed to comply with them after all the warning and instructions given to you, but since you are also among the terrorist we are facing in the country, I will personal make sure that I wipe away the crime in the state and I promise you that you will definitely pay with your life because I am here to protect the interest of my people and not to put them in shame, you suppose to support this government and not to spoil it.

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Why 'Nigerian Scammers' Say They're From Nigeria (microsoft.com)

2012 Jun 20, 5:05

Far-fetched tales ofWest African riches strike most as comical. Our analysis suggests that is an advantage to the attacker, not a disadvantage. Since his attack has a low density of victims the Nigerian scammer has an over-riding need to reduce false positives. By sending an email that repels all but the most gullible the scammer gets the most promising marks to self-select, and tilts the true to false positive ratio in his favor.

PermalinkCommentshumor security scam

Changing Windows Live IDs

2012 Jun 6, 2:54

Use of my old Hotmail account has really snuck up on me as I end up caring more and more about all of the services with which it is associated. The last straw is Windows 8 login, but previous straws include Xbox, Zune, SkyDrive, and my Windows 7 Phone. I like the features and sync'ing associated with the Windows Live ID, but I don't like my old, spam filled, hotmail email address on the Live ID account.

A coworker told me about creating a Live ID from a custom domain, which sounded like just the ticket for me. Following the instructions above I was able to create a new deletethis.net Live ID but the next step of actually using this new Live ID was much more difficult. My first hope was there would be some way to link my new and old Live IDs so as to make them interchangeable. As it turns out there is a way to link Live IDs but all that does is make it easy to switch between accounts on Live Mail, SkyDrive and some other webpages.

Instead one must change over each service or start over depending on the service:

Xbox
In the Xbox 360 system menu you can change the Live ID associated with your gamertag. This worked fine for me and I got an email telling me about the transfer of my Microsoft Points.
Zune
There's no way to do this for the Zune specifically, however changing over your Xbox account also transfers over all your Zune purchased content. I don't have a Zune Pass so I can't confirm that, but all of my previously purchased television shows transferred over successfully.
Windows 7 Phone
To change the main Live ID associated with your phone, reset your phone to factory default and start over. All purchased applications are lost. Had I purchased any applications I would have been pissed, but instead I was just irritated that I had to reset my phone.
Mail
I don't use my Hotmail account for anything and it only sits and collects spam. Accordingly I didn't attempt switching this over.
SkyDrive
I didn't have much in my SkyDrive account. I downloaded all files as a zip and then manually uploaded them to the new account.
PermalinkCommentshotmail domain win8 skydrive technical windows live-id

Use Windows Live Hotmail with your own custom domain

2012 Jun 4, 2:49

In Win8 you login with a Windows Live account.  If you hook up a custom domain to a Live account you can login with that custom domain.

PermalinkCommentstechnical windows win8 hotmail live dns
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