cita | A high performance blockchain kernel for enterprise users | Blockchain library
kandi X-RAY | cita Summary
kandi X-RAY | cita Summary
CITA is a fast and scalable blockchain kernel for enterprises. CITA supports both native contract and EVM contract, by which enterprise users can build their own blockchain applications. CITA has a unique architecture which enables enterprise users to release all their computing resources.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of cita
cita Key Features
cita Examples and Code Snippets
Community Discussions
Trending Discussions on cita
QUESTION
I am developing a JavaFX application with Spring Boot and I am experiencing the title exception when I try to list records from a complex SQLite database table.
Before I have been able to select from another simple table, but in this case, is a table with multiple foreign keys:
Here is the table script creation:
...ANSWER
Answered 2021-May-09 at 10:23 @Column(name = "observaciones,", length = 100, nullable = true, unique = false) you have a comma at the end of the name that is wreaking havoc with the SQL. Remove the comma! Same for fecha,.
QUESTION
I´m traying to create form to create event.
i have one resourceRoute in my laravel 7. But when i send my form, return this message:
The POST method is not supported for this route
but how i said i have a resource route, and i call to method create.
My routes Route::resource('calendario', 'CalendarioController');
My form:
...ANSWER
Answered 2021-Apr-25 at 12:01This is 100% an issue with the Route::resource('calendario', 'CalendarioController')
The update method accepts put as I can remember.
As you can see here: put/patch
So you can change your form method to method="put" or your have to define your routes like this: Route::post('path/{id}', 'CalendarioController@update')
QUESTION
I am having trouble trying to send an .ics file 'meeting invitation' via email.
I am using this class to quickly generate the contents of the .ics file: https://gist.github.com/jakebellacera/635416
The content generates correctly but I cannot get it to show as an attachment... so far only as string.
I have even tried to encode it but it just shows the encoded .ics content as a string.
Here is my code currently:
...ANSWER
Answered 2021-Apr-19 at 08:53Ended up implementing PHPMailer and it worked liked a charm.
QUESTION
what I'm trying to do is get arrays from my data and put them together in one single array, this is mine for the loop that give me my arrays.
...ANSWER
Answered 2021-Apr-16 at 03:31you can concatenate them like this
QUESTION
i have a problem when i'm trying to put the events on the calendar, an error show:
...ANSWER
Answered 2021-Apr-08 at 02:47I got the solution, the callback like you said was from an old version. Now its successCallback, i change it and now it works, this is the new code
QUESTION
Please help me with my code. The code is written in flutter.
I am trying to request appointments through APIREST in laravel using the table_calendar method in flutter. The problem is that when requesting the day the appointment is cited, the following error appears:
I am using this method and put it in my FutureBuilder to compare it with my snapshot inside my getData() class (which is the one that receives the data from my API to send to call the database).
I want to see nothing but the appointment is marked on the date that the appointment has
...ANSWER
Answered 2021-Jan-15 at 19:26The issue is in method _groupEvents().
In your getData() method, you retrieve a JSON and parse/decode it. I assume that JSON you get from the API is a list. That's OK. But when you json.decode it, that returns a List>. That's the standard return type. It isn't any weird type, it's the standard.
So, in your FutureBuilder builder property, you pass the retrieved snapshot (remember the type: List>) to the _groupEvents() method, which then treats it as a List of some object type that you didn't specify. You have a type mismatch there.
In order to solve it: Inside your events.forEach loop, you have to cast each element of your events List to the correct object type before calling the date property on it.
QUESTION
I want to get a value from an API. However I am unable to tell Python what I want to do.
This is my current code:
...ANSWER
Answered 2020-Dec-21 at 02:02You have a list of dict in your first example. So first you need to select which dict you want. For instance, if your query is called 'json_list'
QUESTION
I'm working on a GUI for a photo editor and currently I'm stuck on loading a 32bit BMP image from a file. It was all going smoothly until I've started experimenting with multiple layers and molding them into a single one. (Layer molding and image saving is beeing done by Runtime class using c++ .exe file)
I've made a simple 300x300 red bmp image using pixelFormer software with individual pixels having values of R:255 G:0 B:0 A:125
What I've noticed is that my method which is bellow loads a RGB with default 255 value for alpha channel where 125 should be. Here it is:
...ANSWER
Answered 2020-Dec-04 at 11:30Thanks to the user @camickr I've found the issue. The API didn't understand this BMP Format (header data most likely) so I've done a conversion from BMP to BMP using this website https://www.media.io/image-converter.html and it worked out just fine.
QUESTION
I am trying to make this Cloud Function to work. I would like to delete a document from Firestore that has as name the previous date of function execution. This function is supposed to be executed every night at 2am, but for some reason it is not working. Here is my code:
...ANSWER
Answered 2020-Dec-04 at 00:50Your database screenshot shows that there is no document called "citas/2020-12-02". It was likely already deleted. You can tell because the name of the document is in italics. That italics means that there is no document, but there are nested subcollections organized under it. Those subcollections will not be deleted when you delete the parent document. You will have to write some code to delete all of the documents in the subcollections if you want it to disappear.
See also:
QUESTION
I need to change the placeholder text of the dialogflow messenger chatbot for customer requirements
...ANSWER
Answered 2020-Nov-25 at 15:49Looking at the documentation you’ve provided, there isn’t any built-in functionality to change the placeholder text.
However, you can create code to customize the placeholder using javascript or jQuery.
Here’s a sample code I tested with:
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