imageurl

问题 I want to add image url in meta tag for SEO. But how can I create image link to add in meta tag? I am using gatsby. I have src/img/img1.png image and now I want to create image URLs like this https://website.com/src/img/img1.png How can I do it in gatsby-config.js file? 回答1: Most of Gatsby starters comes with a SEO component, that saves you to build one from scratch. Internally, it uses <Helmet> , a component that puts everything that is wrapped inside, in the <header> tag. So, given: import

问题 In my flutter application,I have uploaded 3 imageUrls and 2 PDFUrls to firebase database and firebase storage already.Now How to do caching of imageUrls and PDFUrls.(Permannent caching untill deletion) Actually I want to do caching as I want to download the images and pdfs in the application with the click on the image and pdf icon or picture with in the application itself. Image should be opened default image opener and pdf should be opned either in a webview or browser. I have already

问题 In my flutter application,I have uploaded 3 imageUrls and 2 PDFUrls to firebase database and firebase storage already.Now How to do caching of imageUrls and PDFUrls.(Permannent caching untill deletion) Actually I want to do caching as I want to download the images and pdfs in the application with the click on the image and pdf icon or picture with in the application itself. Image should be opened default image opener and pdf should be opned either in a webview or browser. I have already

问题 I am working on a Spring-MVC application in which for the user, we are saving the thumbnail on the filesystem itself. Now for chat, I want to create a URL for the thumbnail saved on the filesystem and pass it on in the frontend. For example : Image is saved at /home/username/datadir/personid.png I would like to give the url something like : domainname.com/personid.png Please note PersonId is unique, so I can use that constraint. The part to save the image is complete, I just don't know how to

问题 I have an extension to print image URL on UIImageView . But I think the problem is my tableView is so slow because of this extension. I think I need to open thread for it. How can I create a thread in this extension or do you know another solution to solve this problem? My code : extension UIImageView{ func setImageFromURl(stringImageUrl url: String){ if let url = NSURL(string: url) { if let data = NSData(contentsOf: url as URL) { self.image = UIImage(data: data as Data) } } } } 回答1: I think,

问题 Hi in the below code am displaying data from json response using retrofit library. using recylerview am displaying title,id,albumid as well as image.all are displaying except image . But how to display image from url. can any one please help me this is my adapter class. .java public class RecyclerViewAdapterForAlbum extends RecyclerView.Adapter<RecyclerViewAdapterForAlbum.ViewHolder> { private List<UserAlbum> item; Context context ; public RecyclerViewAdapterForAlbum(Context context, List

问题 I use mvvmcross and can not bind to image URL. Error: No IMvxImageHelper registered - you must provide an image helper before you can use a MvxImageView <Mvx.MvxImageView p1:id="@+id/imgArticle" p1:layout_width="49dp" p1:layout_height="49dp" p1:layout_marginLeft="5dp" p1:layout_marginTop="5dp" local:MvxBind="ImageUrl Image, Converter = Image" p1:layout_marginBottom="5dp" p1:background="#ffff0000" /> My Model: public Guid Id { get; set; } public string Name { get; set; } public string Image {

问题 I want to match all URLS but exclude image urls from beeing matched with that regex: jpe?g|gif|png . \b(?:https?|ftp|file)://[-A-Z0-9+&@#/%?=~_|$!:,.;]*A-Z0-9+&@#/%=~_|$ The problem is that the part with the exclude is not working like this: (?!jpe?g|gif|png) Does anyone have a solution for it? Example: not Matchen: http://example.com/example.jpg http://example.com/example231/example.gif Match: http://example.com/example.html http://example.com/example/?id=4331 http://example.com/example

问题 I am trying to change the HTML image src using Javascript. I have two images Plus.gif and Minus.gif.I have inserted HTML img tag and have written a Javascript function to change the image src when clicked. Problem is that I want to change it back again when user clicks on the image. For example when the page is loaded the Plus.gif shows and when user clicks on it the image it changes to Minus.gif . I want it so, when the image is Minus.gif and user clicks on it this should be changed to Plus

问题 Scenario: Within ASP.NET site, I have an ASPX page where within OnLoad event, I set the imageUrl for one of the image controls. This URL value comes from an external source and the image is not getting displayed and I found out it is because the URL is too long. How to display images of longer URLs? Should I use POST with javascript or any other options to achieve? The values within the URL are crucial and I can't loose some of the parameters. Please suggest. Code in OnLoad event is something