prex | Async coordination primitives and extensions on top of ES6 | Reactive Programming library
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kandi X-RAY | prex Summary
Asynchronous coordination for JavaScript and TypeScript.
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QUESTION
Note: This is a question relating to mouse EEG data plotting.
I made a plot showing the averaged trial signals for filtered EEG electrode channels. While plotting this I saw a few signals that I want to exclude from my plot, but I don't have a way to tell what channels were plotted. Is there a way to add something that would allow me to click on or hover over one of the plotted lines/channels and have my jupyter notebook tell me what channel I clicked/am hovering over?
This is the plot I am hoping to make clickable:
Here is the code I used to make the plots if that's helpful:
...ANSWER
Answered 2021-Apr-16 at 22:55You can add a label to each of the curves and then use mplcursors to show an annotation while hovering (or when clicking with hover=False
).
Note that to have an interactive plot in a Jupyter notebook, %matplotlib notebook
(this might depend on how Jupyter is installed) is needed instead of just %matplotlib inline
(which generates static images). See Docs.
Here is an example showing the general idea with some test data:
QUESTION
I have a bunch of points that I'd like to assign zones to in a grid. My points are from -100:100 along the x-axis and -42.5:42.5 along the y-axis. I want to create an overall 10x7 grid, which means the individual boxes are 20x12.143. Below is a re-prex example of the data and with gridlines indicating how I want the data divvied up.
...ANSWER
Answered 2021-Feb-20 at 09:48There are 4 steps to take, first you define two sequences along the x and y axes for the grid. Second, you make a matrix that can be indexed by the seq_along()
of the x and y sequences and returns an ID.
QUESTION
Can someone explain me the logic part? I kinda know it should work but I cant trace the code step by step, It doesnt make sense. Exchange among temp, pre, and Tail part is so confusing.
How does it run with the framerate? Is TailX[0] and TailY[0] always ahead? WHY? How do new tail parts get assigned in correct position? HELP ME.
...ANSWER
Answered 2020-Nov-27 at 17:05Ok so let's run through the Logic
function with different values of i
.
i
represents the number of loops to do in the Logic
function up to the length of the snake which is given by nTail
, however, it starts from 1, not 0 so it skips the first tail segment which is always set to where the head was last frame.
When the snake is just a head nTail = 0
Before you eat food, nTail
is 0 and therefore the only part of the logic that runs is:
QUESTION
i'm trying to read a file by date with JS i tried to replace the varable TimeNow without success. when fo example i make fixed filename it works fine, but replacing the filename with a variable 'TimeNow' it doesnt work.
...ANSWER
Answered 2020-Jun-25 at 23:30loadCSV(`counters_test_directory_${TimeNow}.log`);
QUESTION
After coding a recyclerView MediaPlayer, the item lists refused to display after testing with emulator. I don't know what to do. Please your help is very important to me. All the codes below is what i tried that didn't work.
This is the MainActivity.java
...ANSWER
Answered 2020-Mar-26 at 14:26You pass myArrayList
as an argument to CustomMusicAdapter
, but do nothing with it in the constructor. Therefore myArrayList
remains null
in the adapter class.
QUESTION
I have a RecyclerView (say, rootRecyclerView
) that can have different kinds of rows depending on some API response. I implemented one of them is a horizontal ViewPager2
and another one is implemented with horizontal RecyclerView
(say, `childRecyclerView).
The rootRecyclerView swipes vertically whereas the viewPager2 and childRecyclerView swipes horizontally.
The Problem:
When I swipe on the screen, if the swipe is on the the viewPager2
or childRecyclerView
, the swipe MUST go perfectly straight horizontally. Otherwise, they won't scroll horizontally; the swipe is taken by the rootRecyclerView
and so the you would see vertical movement.
So, this happens because your thumb would move in a curved/circular direction creating movement in both the X axis and Y axis, and the so the rootRecyclerView intercepts the swipe creating this unpleasant user experience.
I did try to solve the issue, such as adding an OnItemTouchListener
to the childRecyclerView like this:
ANSWER
Answered 2020-Feb-20 at 12:02Okay, so after some research, I came to the conclusion of substituting my ViewPager2
with a recyclerView
that will 'behave like' a viewPager :/ .
First I replaced my viewPager2
with a horizontal recyclerView
. To make it behave like a viewpager, use SnapHelper
.
QUESTION
I'm new to c#, I solved this algorithm using Javascript, can anyone help me to convert the below code to c#.
Details:
Given an array of words and a number K, return an array with length K where the ith element of the array is the number of unique prexes with length i among the given words (i = 1,2,. . . ,K) (including only words that are at least i characters long).
My code:
...ANSWER
Answered 2020-Feb-02 at 13:59QUESTION
Here is my code, I used two image, one for background image and one for the pinball animation, but with this code, the ball will wipe off the background image within it's flying trace so I need some help that can allow me draw on a transparent bufferedimage then put it as a mask over the background image. Thanks in advance.
...ANSWER
Answered 2019-Jul-25 at 07:51Draw ball after draw background image.
in your case, draw ball after method "processBackground".
QUESTION
I'm playing with Promise Extensions for JavaScript (prex) and I want to extend the standard Promise class with cancellation support using prex.CancellationToken, complete code here.
Unexpectedly, I'm seeing the constructor of my custom class CancellablePromise
being called twice. To simplify things, I've now stripped down all the cancellation logic and left just a bare minimum required to repro the issue:
ANSWER
Answered 2018-Dec-19 at 04:47First Update:
I first thought .catch( callback)
after 'main' would return a new, pending promise of the extended Promise class, but this is incorrect - calling an async function returns a Promise
promise.
Cutting the code down further, to only produce a pending promise:
QUESTION
How to modify the script highlighting the lines that contain keywords separated by multiple delimiters
I'm not a programmer, but I need to ease my work. I found a little script that highlights the red lines containing obscene words. Then I manually copy and save the lines just in case.
However, I would like to automate this. I did not find anything similar on the Internet. Therefore, I tried to make a script with my own hands. Here is what I did:
...ANSWER
Answered 2018-Nov-15 at 18:04Using the code bellow I take the lines from first blue text area, and separate them in red (bad) and green(good) text areas.
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