QRCodeGenerator | QRCode generator | Generator Utils library
kandi X-RAY | QRCodeGenerator Summary
kandi X-RAY | QRCodeGenerator Summary
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of QRCodeGenerator
QRCodeGenerator Key Features
QRCodeGenerator Examples and Code Snippets
Community Discussions
Trending Discussions on QRCodeGenerator
QUESTION
From below code i want to send data to my controller but when i add debug point to my controller function then receiving all the values null. I dont to replace datatype is text to json.
...ANSWER
Answered 2021-Jun-06 at 14:05For one, make your life easier by changing your parameter list in c# to a single class (in my example DTO just means Data Transfer Object):
QUESTION
class QRCodeGenerator extends SampleView {
/// Creates the QR barcode generator sample
const QRCodeGenerator(Key key) : super(key: key);
@override
_QRCodeGeneratorState createState() => _QRCodeGeneratorState();
}
...ANSWER
Answered 2021-Jun-01 at 08:35This is how you can call in Flutter:
QUESTION
I want to create QR Code from user data. I have using below library for creating QR Code.
...ANSWER
Answered 2021-Jun-01 at 18:56The base64 value you provided in your question is malformed, my recommendation is to not use Json Serialization for this Api response effort.
Try using Convert.ToBase64String
- Ensure the method returns
string
- and the jQuery request accepts/expects
text
fordataType
response.
QUESTION
I have downloaded the QRCoder sources and I have compiled the sources with Visual studio 2019. Then I add a reference on my Visual stuio 2008 project to the generated QRCODER.dll from the folder "net35".
Then I try to start a smal demo:
...ANSWER
Answered 2021-Apr-27 at 10:40Does support the framework.net 3.5 default value in the method
The .NET Framework supports optional parameters in version 3.5 (in terms of the attributes being part of the framework), but the C# 3 compiler (which is what Visual Studio 2008 uses) doesn't. Optional parameters and named arguments were introduced in C# 4.
I would strongly recommend using a modern version of Visual Studio, even if you still need to target ancient versions of .NET. (I'd also strongly recommend moving off unsupported versions of .NET if at all possible.)
QUESTION
QRCoder: https://github.com/codebude/QRCoder
...ANSWER
Answered 2021-Apr-22 at 03:07Your question should be approached as "How do I add text to a Bitmap?", and there are answers for it here: c# write text on bitmap
QUESTION
I am currently generating a QR code image for records in a table through a button click function, and then the image generated would need to be saved into the table.
But I am only able to generate the QR code image only and I can't seem to store the image into the database. The error given to me is:
Implicit conversion from data type nvarchar to varbinary(max) is not allowed. Use the CONVERT function to run this query.
I have search various methods online yet I can't seem to understand how the CONVERT function actually works. Below is my code:
...ANSWER
Answered 2021-Mar-01 at 04:39Instead of posting an object to the database, which is being sent as a string of some kind, you need to actually send the bytes.
Also it's a good idea to define the parameter with an explicit data type to avoid C# guessing (incorrectly) at your required data type as it has done to you here.
Replace:
QUESTION
The attached program doesn't change the QR code in the QRView when the user changes the url in the TextField, yet the Text view below the QR code does update. What am I missing?
I tried this without the text field and also added/substituted a MapView to see if a different representable view would fire. The MapView didn't fire either and removing the Text view didn't change anything.
...ANSWER
Answered 2021-Jan-26 at 15:51You don't need state wrapper in QRView
, it preserves initial value and prevents external update of property, so here is a fix:
QUESTION
I want to make the QRimage load after the button is clicked in swiftUI . Right now I just pass the UI Image generated by the function straight away into the image frame. How do I present the function in the button action section?
Right now My code looks like this;
...ANSWER
Answered 2021-Jan-22 at 15:28Use @State
QUESTION
I'm trying to create qr code for UUID, but the main thing that stops me is that ways that I saw on creating qr codes require using String instead of UUID, so that's what I went for.
...ANSWER
Answered 2020-Dec-09 at 17:04This code works to return the UUIDString for a UUID:
QUESTION
I have a c# WebApi project in which the users can make orders in a website, each order after payment complete will execute a function called ConfirmOrder
which will update the order status from STB
to COMPLETED
.
In the following function that looks like this:
...ANSWER
Answered 2020-Oct-05 at 08:45A background (hosted) service is a completely different service, using its own thread to do its job. You can't have your controller "run" something on that service, you have to tell it what to do, and have it do it.
The Background tasks with hosted services section in the docs shows two different ways a long running background service can work :
- A timed service can run each time a timer fires and do a periodic job, as long as the application is running
- A queued service waits for messages in a queue and performs a job when a message arrives
Sending an email fits into the second case. You could use the documentation example almost as-is. You can create an IBackgroundTaskQueue
interface that clients like your controller can use to submit jobs to run in the background:
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