dataurl | Data URL Schemes in Golang
kandi X-RAY | dataurl Summary
kandi X-RAY | dataurl Summary
Data URL Schemes in Golang
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Top functions reviewed by kandi - BETA
- Basic example for parsing
- Unescape unescapes a hexadecimal string
- Convenience function .
- New creates a DataURL
- encode dataurl .
- isURLCharRune reports whether r is a valid URL character .
- lexAfterDataPrefix consumes data prefix
- lexInDiscreteMediaType consumes media type
- Decode the dataurl .
- isTSpecialRune returns true if r is a TSpecialRune
dataurl Key Features
dataurl Examples and Code Snippets
Community Discussions
Trending Discussions on dataurl
QUESTION
I'm currently learning HTML, CSS, and JavaScipt. I'm trying to make a basic project, but I'm having problems with adding a new image on the new card. When I click on the 'add item' button, I create a new card with image. However, when I add another card for the second time, my image from the first card that I created will disappear. Can someone help me on how to fix this solution. Thank you.
...ANSWER
Answered 2021-Jun-15 at 19:05Rather than using two different function, one for adding card image and one for card content, try combining both of them.. here use the code for your reference.
QUESTION
I am having trouble trying to iterate over a JSON array of objects from a remote URL using Flutter's FutureBuilder.
My goal is to:
- Fetch JSON data from an API
- Output the data into a 2 column gridview layout
The JSON data is an array of objects(or a List of Maps in dart), the objects have simple string data.
I know that I need to build a future to fetch the data from the API and decode the JSON, then I need to create a FutureBuilder to output the List data into my Gridview Builder. That is what I have tried to do in my code below.
...ANSWER
Answered 2021-Jun-14 at 20:57You have to pass the function like this
QUESTION
I got the State Data from Store. I created the Search Box to filter that Data, Now I got the FilterData also, But how I need to update my UI with that Filtered Data, In HandleSearch method I stored the the Filtered data in FilteredData varibale, But I am Unable to Iterate the FilteredData varibale and I am unable to update in the UI, BUt it is working in console, Now i need to update in the UI, Please can anyone help in this, Thanks in Advance...
...ANSWER
Answered 2021-Jun-09 at 07:11- You need to have a state which will hold the filterData value. And set the initialValue of the state to the Data from the store
const [ dataToDisplay, setDataToDisplay ] = useState(readingStateData?.search || []);
Add a second useEffect which looks for the change in the readingStateData?.search. Initially you have the search as [] but once there is data we need to sync that data with the components's internal state.
QUESTION
I'm using typescript and eslint. Eslint complaing about return after => arrow, when I added it this didn't work either - return new Promise((resolve, reject) => return {}. What is the correct syntax for -
ANSWER
Answered 2021-Jun-04 at 01:39the correct syntax is:
QUESTION
I want to upload the video/audio file in my django-channels project. So I uploaded video(base64 encoded url) from websocket connection. It is working fine. But now after decoding base64 video data I want to compress that video using ffmpeg.But it showing error like this. ''Raw: No such file or directory'' I used 'AsyncJsonWebsocketConsumer' in consumers.py file.Here is my code: consumers.py:
...ANSWER
Answered 2021-May-23 at 10:41After some struggle I haved solved the problem here. I don't know either it is a good solution or not but for me it has worked. I have used post_save signal here. So file has been saved allready. I tried instance.document.path first to pass the file path to ffmpeg. But ffmpeg can not recognize the file.
QUESTION
I have a question regarding how to correctly load data from a web service into an rmarkdown file in which I am building a dashboard.
Basically, I have an rmd file in which I am building a dashboard with Flexdashboard and Shiny. I have several "r chunk" where I put maps (leaflet), tables (DT) and various plots (ggplot2 and plotly).
At the moment, I am reading the data through a web service like
www.somewebpage.com/project1/service.py?parameter1=2020¶meter2=ABC
I change the parameters using Shiny and it always returns a JSON with different data. So far I process the web service in each "r chunk", where I convert it to a data frame before displaying the maps, tables or charts.
My question is, is it possible to process only once the change of the parameters and generate only one data frame that can be read by each "r chunk" in the Rmd file?
====
Example in my Rmd file:
{r Chunk1-map, echo = FALSE}
ANSWER
Answered 2021-May-21 at 19:45I answer my question.
Just read the web service in one {r chunk} and the resulting data frame I make it reactive as I show below.
Although for some reason the user inputs have to be in the same {r chunk} (For the moment).
QUESTION
I think I'm having an ordering issue. A lot going on here and still very new to this. I have a random dot function that I'm trying to set to a div in my WP theme. I have no where to put the canvas (from what I understand...correct me if I'm wrong) so I created it in js. Anyone know what is prompting the error?
...ANSWER
Answered 2021-May-20 at 18:50createElement() Is not an array of elements neither an array at all.
So you cannot use brackets on it. Remove the [0] from your function createElement()
like so :
document.createElement('canvas');
QUESTION
I am trying to make a signature pad but the JS (scribbling line) works in a developing sandbox but not when I combine the files. I have placed my CSS in between the head tags and script just before closing the body tags to allow the JS to run after the other components have run. Not sure what is causing it not to run. Beginner here, so I apologise if my question is too entry-level. Any assistance would be greatly appreciated.
...ANSWER
Answered 2021-May-20 at 05:57When you open this file in the Browser you need to look into the "Developer Tools" to find the error in the console (If you don't know how to do that: try right-clicking on your webpage and select "inspect" from the context menu)
The console will show you:
QUESTION
I am trying to compress images on client side using JavaScript on some low bandwidth devices and I'm currently stuck in a limbo using the HTML5 File API. I'm new to this, please bear with me if I'm missing something important.
I have some input tags which should ideally open the mobile camera, capture single image, compress and send files to the backend. Although this can be done with a single input field with multiple uploads enabled but I need the multiple image fields to segregate images based on some categories.
Here's the input boxes:
...ANSWER
Answered 2021-May-14 at 21:43- You can only change a file input value with another list
here is how: https://stackoverflow.com/a/52079109/1008999 (also in the example) - Using the FileReader is a waste of time, CPU, Encoding & decoding and RAM...
use URL.createObjectURL instead - Don't use canvas.toDataURL... use canvas.toBlob instead
- Canvas have bad compression, read earlier comment and see the jsfiddle proff...
If you insist on using canvas to try and squeeze the size down then- First try to see if the image is in a reasonable size first
- Compare if the pre existing image
file.sizeis smaller than what the canvas.toBlob provides and choose if you want the old or the new one instead. - If resizing the image isn't enough have a look at this solution that change the quality until a desired file size & image aspect have been meet.
Without any testing, this is how i would have refactor your code too:
QUESTION
I would like to include the url of my DRF endpoint in the extra_context= field of my TemplateView so that I can pass it into my JS application in my template. I currently have it in my template, but it's just more convenient to store all the urls in the urls.py file.
ANSWER
Answered 2021-May-14 at 10:17You can work with reverse_lazy(…) [Django-doc] in this case:
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