Stepper2 | library allows you to control
kandi X-RAY | Stepper2 Summary
kandi X-RAY | Stepper2 Summary
This library allows you to control cheap 28BYJ-48 stepper motors. For more information about this library please visit us at
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QUESTION
I have problem with my UIStepper. I do a counting game and for each time I press "new Competition" I want the stepper to reset the value. I have tried a lot of different way without no result.
What should I do?
...ANSWER
Answered 2020-Feb-17 at 16:10I assume you observe the following behavior that the display in the scoreLabel
gets out of sync with the stepper
control. This missing sync occurs in two situations:
- When you scroll in the table view (reuse of dequeued cells)
- When you reset all the player's scores
The reason for this is that you only update the scoreLabel
, but do not reset the stepper
. Both controls are independend from each other, e.g. resetting the one will not influence the other. Therefore the stepper keeps the old (invalid) value, and when it's pressed, it will continue updating the label with that value.
You need to do the following: in tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath)
, also set the stepper
to the current count:
QUESTION
Description
My ultimate goal with this program is to have a Flask web app be projected, someone connects to it, and they can control stepper motors with it using the Adafruit Stepper Motor HAT. At the moment, the visual code is a bit of a mess due to me wanting to have a login system, and realizing that with my limited time to get this done, I need to focus on making it work...
What's Wrong?
At the moment, the stepper motors work fine. The user pushes the (what's called for now) login button, and the motors spin, and pushes the stop motors button to stop. That's where the problem comes in... The motors don't stop, they just slow down to a painful pace, and the web page gets stuck trying to load an infinite loop. How do I stop this?
Try to understand that I have been at this for a week, and have pulled every trick I know. The code is a bit messy with the global variables and all now due to my desperation to just make it work.
Code is included here:
Python
...ANSWER
Answered 2020-Feb-08 at 16:32According to Python documentation
In Python, variables that are only referenced inside a function are implicitly global. If a variable is assigned a value anywhere within the function’s body, it’s assumed to be a local unless explicitly declared as global.
You need to add global z
to methods where you modify the variable.
In your set_z_to_one()
, you're initiating a new variable z
within the method's scope, which is not the same as your global z
.
QUESTION
In my Vue app I have an image element with a bound src. this code is in a stepper. In one step the user selects a picture to upload an in the next step the image gets shown (which works as intended). However I am trying to initiate a library on the element in the next step (the Taggd library) but the element seems to be undefined.
I tried the nextTick() to wait for the image to load but without luck.
the image element:
...ANSWER
Answered 2019-Jan-21 at 14:34You could listen for the load
event:
QUESTION
I'm struggling with some code and hoping that someone could help me figure out the logic, it sounds quite simple.
I have 2 steppers, stepper1 and stepper2. They both have max values of 10. I have a variable that is the sum of their current values.
I'd like to disable the steppers from increasing in value once they collectively reach 10.
I'm just learning to code so please forgive me if my terminology is incorrect.
This is the code I'm kind working with whilst testing with one of the steppers.
...ANSWER
Answered 2018-Jun-03 at 09:53The calc should be inside the func
QUESTION
I am building a quote tool and I am adding new form field on the click of Add more button using JQuery, and want the id to change as well so that I can use it in my calculation, but the id doesn't change. Also, how should I use it in my calculation so it adds dynamically added form fields as well. Thanks a lot in advance.
HTML:
...ANSWER
Answered 2017-May-09 at 21:12to change the item attribute which is in your case id this line may be helpful :
QUESTION
I use CoreData in my project and I have uitableview and in every cell I have UIStepper. Now I can save UIStepper value in CoreData, For example when I click on + it's work fine and save the new value in the CoreDate and when I restart my App I can see my last uistepper value but when I click + it will star count from 1 , not from the last value I have and it will save the new value in the CoreData.
how I can load the last value from the core data and make my UIStepper start counting from this value (last value in core data)
my function
...ANSWER
Answered 2017-Mar-20 at 16:57I don't see where you set the UIStepper
s value. You need something like this in your tableView(_:cellForRowAt:)
implementation:
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