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Questions tagged [preview]

User Interface action to display a preliminary or scaled down version of the actual item.

User Interface action to display a preliminary or scaled down version of the actual item.

For images, typically showing a thumbnail version of the full image.

For documents, typically showing the first few pages or draft copies of the final.

1681 questions
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Is it possible to create a standalone Quick Look extension/plug-in?

According to Apple we should new build Thumbnail or Preview Extensions instead of the old Quick Look generators which will be deprecated (probably in Big Sur). There is also no Option to create a Quick Look plug-in project in Xcode anymore. Instead…
Anubis
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Xcode 11.1 SwiftUI Preview failing

I receive this error whenever I try to preview a freshly created swiftui view. messageRepliedWithError("Connecting to launched interactive agent 9297", Optional(Error Domain=com.apple.dt.ultraviolet.service Code=17 "connectToPreviewHost: Failed to…
Rob
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Is it safe to install Visual Studio 2019 preview side-by-side with Visual studio 2019 (Blazor wants the preview)?

I want to try out Blazor and it wants Visual Studio 2019 Preview. Now, I already have Visual Studio 2019 (Professional) on my machine. It is safe to install the Preview version side-by-side? Tried to find any help on forums, but didn't find any…
user736570
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Windows file preview - similar to preview pane in explorer

In Windows 7 (and I think Vista) the Explorer has a preview pane that lets you see the contents for some file types (MS Office, images, etc). Is there any API available that allows you to access this functionality? I've been using the…
Jason
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android Camera2 API + TextureView overlay for drawing on camera preview

So, I need to overlay the camera2 preview and draw a rectangle on the preview video image by layering a transparent overlay on top. I started with a basic Camera2 code here: https://github.com/googlesamples/android-Camera2Basic the above use…
David
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Hiding the markup bar in QLPreviewController on iOS 10

I need to use a QLPreviewController in order to open PDF and JPEG documents into my app. I implemented it in this way: -(void)openQuickLook{ QLPreviewController *preview = [[QLPreviewController alloc] init]; preview.currentPreviewItemIndex…
Nicola Giancecchi
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How can I see the data preview of Dask DataFrame?

I created Dask DataFrame from Pandas DataFrame and applied few functions on it. When I'm trying to view the data using df.head() it is taking too much time. How can I view the dataframe?
Hari
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Can I change vim completion preview window height?

I'm using Eclimd for completion. it generates a lot of helpful info about function, but in 1-line preview window it looks messy. (same window uses by omni-completion) So: Is there any way to change default preview window height? Make…
Andrew
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How to implement a form preview page in Zend Framework 2?

In my current ZF2 project I have a complex Form with multiple levels of nested Fieldsets, that reflect the structure of objects to be saved in the background. Currently the data is sent directly to the Controller and gets saved to the database, if…
automatix
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How can I get a preview thumb from a URL page on Android?

I'm creating an app to keep some URLs and I want to display a preview thumb beside of the title of the pages in a listview. I saw something like this on Whatsapp, when I put a url (ex: http://www.google.com), that app gets some preview thumb and…
Arvieira
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How to get the image to show as preview for any website from its metadata in IOS

I am making a chat application and recently observed apps like WhatsApp,Viber,Skype when sent any link , the chat bubble changes from he text link to preview image with link as attached. Can anyone tell me how to achieve it in IOS.
codelover
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How do I create url preview in android?

I want to show preview of any url in android when I share it (like it is shown in facebook or whatsapp). the preview must contain an image from the webpage and small description of the link. I thought of picking up information from metadata and…
agrim khanna
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Android Studio debug "View Bitmap" downscaled

I am having an issue with the "View Bitmap" preview functionality of Android Studio. I am having a bitmap with 29000 and height 255. But when I click "View Bitmap" in the debugger on the Bitmap class, i see a downscaled version. Yes i am aware that…
Martin Mlostek
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Is there a simple way to turn the byte array from the camera's onPreviewFrame into a picture in android?

I ask if there is a simple way because there is a google issue report saying that using decodeByteArray isn't possible. But that report originated in 2008 and I was hoping there was a solution not posted on there. The method listed on the issue…
RyoxSinfar
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Custom preview for open dialog using Delphi

I need to preview several CAD formats in the file open dialog box in Windows 7 / Vista. In the past I used a Delphi Preview Open Dialog and I could register and implement the CAD format that I had to preview. I have found some articles on how to…
PierreS
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