kv | a fast , immutable key-value store | Key Value Database library
kandi X-RAY | kv Summary
kandi X-RAY | kv Summary
a fast, immutable key-value store
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QUESTION
ANSWER
Answered 2021-Jun-15 at 20:06Not sure but I'm guessing the --key
argument only supports prefix.
You could use jmespath to work around that:
QUESTION
For better optimization, I decided to use the RecycleView in one part of my program to hold a set of DownloadItem instances. The problem is that the class takes two arguments: path & url_type which I do not know how to pass to the data of the recylceview. As a result I get the error below:
...ANSWER
Answered 2021-Jun-14 at 01:06In order to use DownloadItem
in your kv
, it must have an __init__()
with no required arguments. Here is a version that uses properties instead of required arguments:
QUESTION
This Has To One OF The Most Annoying Errors In Python That Have So Many Solutions Depending On The Question
My Files...Main.py
ANSWER
Answered 2021-Jun-13 at 13:56The cryptic error message is of little help, but the stack trace shows that the error occurs in the line:
QUESTION
I need help.
I created a small mobile application with Kivy.
I have two screens: ScreenList and ScreenDetail.
However the screen(ScreenList) containing GridLayout does not refresh
ScreenList: contains a list of items
ScreenDetail: Contains the details of a single item.
How the app works:
- When I click on the first item on button 1
- I go to the details of the item.
- I modify the second field. I replace the text:
Firt element
forFirst and update data
- After recording, I redirect the application to the screens which contain (ScreenList) the list of elements.
- But the list of elements remains unchanged then the data has been modified in the database. 6.And when I return to the screen (ScreenDetail) which contains the details, there I see that the data is updated.
How can I refresh the item list in ScreenList?
Here are the pictures as an example
List before update
before update
after update
List after update
Here is the python code:
...ANSWER
Answered 2021-Jun-13 at 06:24When you're trying to share data in between screens, it's often useful to use
app
methods instead of specific methods of screens.And when you need to create lots of buttons, maybe inside a loop, and bind methods on its events(
on_press
,on_release
), it's often bad to create button instances on the fly and bind methods on its events because you'll need to do extra work to make sure that those bound methods are called with right parameters when events are fired. Rather create a custom class template and use that instead.
Created custom GridLayout:
QUESTION
I am making this program that deals with a lot of colors and it gives the user the freedom to change many of them. In one part of my program I use markup for one of my labels and and I realized something about the 'color' tag.
When my program starts I want my label to follow the theme but I get this warning when trying to set the color to the theme and it does not show the color correctly:
...ANSWER
Answered 2021-Jun-12 at 16:17I think u could try this I think u forget use F-string and get the wrong value
QUESTION
I am using KivyMD and I am trying to get the text from the text input in kivyMD. I keep getting the following error:
...ANSWER
Answered 2021-Jun-09 at 22:57As the error message states:
QUESTION
I'm new to PGP encryption and I'm trying to understand a problem I'm having. I have this public key (taken from some examples online)
...ANSWER
Answered 2021-Jun-11 at 17:35The error message explicitly tells you that the key that fails doesn't describe itself as suitable for encrypted storage or communications.
Per the signature subpacket specification, we know that this information lives in a subpacket of type 27.
Per the detailed specification on that subpacket, we know that the desired flags are 0x04 and 0x08, respectively.
To compare these keys, you can use gpg --list-packets --verbose
.
For the first, non-working key, we get:
QUESTION
I am making a desktop application using kivy & kivymd and when creating the settings screen for the app I used two MDRectangleFlatButon and MDRaisedButtons but to make them scalable, I gave both of them a size_hint_x of .5 for each to take up half of the screen. However, as soon as the program starts I get this warning from kivy:
...ANSWER
Answered 2021-Jun-11 at 13:01If you change the order of your Screens
definition, so that the "settings" Screen
is the first listed under ScreenManager
in your kv
, then the error messages go away. Then adding to the Example
class definition:
QUESTION
I am trying to read in the access policies using the az cmdlets but struggling to do this. I thought this would work
...ANSWER
Answered 2021-Jun-09 at 10:59You could directly query the accessPolicies properties from the Azure CLI command.
QUESTION
i cannot remove widget using the screen with kivy python, i dont know why it just does not do anything the code was suppose to remove textinput with id:name on the first screen but it just does not do anything and no error message. here is all of the code it is tested on python 3.7.4, kivy 1.11.1 on window.
module_media_player.py
...ANSWER
Answered 2021-Jun-08 at 12:26Your code:
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