keystation | Keystation - decentralized keychain | Cryptocurrency library
kandi X-RAY | keystation Summary
kandi X-RAY | keystation Summary
Keystation is a decentralized keychain-based authenticator that DOES NOT require any installation. User keys are securely stored in the web browser Keychain, allowing for users to conveniently sign transactions for networks and decentralized applications built with the Cosmos SDK. Keystation can be used as a secure and convenient authentication and key management tool for web login, decentralized exchanges, decentralized applications, and various services built with the Cosmos SDK.
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QUESTION
I am working on an app that accepts MIDI keyboard input (using Mido) from within a Kivy application. The goal is to have one thread that constantly polls the MIDI input and routes events to pyfluidsynth, while a conventional Kivy app is running in parallel. I need some sort of parallel process, or else the Kivy UI freezes for as long as the midi poll while loop is running.
After much fiddling, I got it to work, but I'm a bit concerned about the code. I tried starting the threads under [if name == "main"], but was only ever able to run one process, followed by the other.
Then by accident I was able to get the desired effect by leaving in the last 2 lines of code in mido_midi.py, which were originally just for testing. Now, when I run main.py, I get the app plus the keyboard input. Other than some ugly behaviour when I close the app, things appear to be working the way I wanted.
My concern is that I can't seem to get the threading to work by calling everything from main. Since things are working, and I don't understand why, and it looks wrong to me. I thought I'd throw it to smarter people for insight.
Am I doing it right? If not, what do I need to change? Thanks.
main.py:
...ANSWER
Answered 2019-Aug-23 at 21:10Your code is starting the KeyboardInput
thread when you do the from mido_midi import start_synth, KeyboardInput
and the "testing" lines are executed at that time. The if __name__ == "__main__":
is a construct designed to prevent exactly that from happening when a file containing that construct is imported. Also, note that you have two different instance of KeyboardInput
. Not sure if that is your intention.
You should be able to start the thread inside your if __name__ == "__main__":
block by just adding the same two lines inside that block:
QUESTION
I've got a UICollectionViewCell
that has a UIView inside. When dequeueing the cell, I initialise it with the necessary data. After the data is initialised, inside the UIView
, there is some drawing that is meant to be displayed. However, nothing appears.
Initially, this was all inside UICollectionView
cellForItemAt
method and drew the lines, but it should've been inside a UIView so I subclassed it and placed the code in there. This is where it stopped working.
I've tried overriding the draw method, calling my methods with the drawing inside init, and calling them from the cell. I get the print statements showing in the console, but no drawing on screen.
...ANSWER
Answered 2018-Dec-31 at 16:29In cellForItemAt
you set routineOutline
to your RouteOverview
. So you're saving a reference to your custom view, but I don't see you adding the RouteOverview
to the view hierarchy at any point. (You're adding shape layers to RouteOverview
, but never adding the RouteOverview
, itself.) You need to call addSubview
at some point.
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