dom-walk | Iteratively walk any DOM node | Runtime Evironment library
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kandi X-RAY | dom-walk Summary
Iteratively walk any DOM node
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Trending Discussions on dom-walk
QUESTION
Here I made a 2-D random-walk where the "character" can only move straight up, down, left or right:
...ANSWER
Answered 2021-Apr-24 at 21:28Your function:
QUESTION
I'm working on a Data Science dashboard project and am having trouble fine-tuning some of the container spacing. I've turned most of the page features off to reduce the scope of the problem. I'm trying to achieve 4 evenly spaced div containers in the 960x600 main container, however, the lower right div with subcontainers keeps throwing off the alignment. I'm sure there is a way to do this elegantly with HTML and CSS but coming from a background in Python I haven't been able to narrow down the root cause. Now after struggling all yesterday on it feel it's time to put up my hand and ask for help.
...ANSWER
Answered 2020-Oct-15 at 08:55Just add display: block;
to your svg (since d3 generates it), and that tiny white space will go away. So in your function, do this:
QUESTION
ANSWER
Answered 2019-Feb-10 at 17:27I had the same issue today and indeed not encouraging to have warnings on a fresh new project.
I just add babel core manually yarn add babel-core@^6.0.0
and did not had pbs to run the new app.
QUESTION
I always use to develop my projects natively for Android and iOS, but after many people talking to me about react-native, I decided to give it a try.
However, I got very frustrated at the very first initial step: create my first project.
This is my environment:
- macOS Mojave 10.14
- Xcode 10.0
- node v10.12.0
- watchman 4.9.0
- react-native-cli: 2.0.1
When I run the command react-native init AwesomeProject, I see many warnings like this:
...ANSWER
Answered 2018-Oct-16 at 16:04I was able to build and run my project following the instructions here.
More specifically:
QUESTION
Let me first clarify that I'm not trying to generate random walk lines like in this and many other questions. I'm trying to make a random walk heat map that changes color as points are revisted, like this.
I've been able to create still-lifes like this: but I want to see the process.
I can get the figure to show up, and if I print the array at each step I can see that the walk is working. But the figure itself doesn't animate. My code:
...ANSWER
Answered 2017-Dec-08 at 05:21I added animated=True
and vmin=0, vmax=255,
in the imshow()
function below. I also changed the stand()
line to arr[x][y] = arr[x][y] + 10
.
QUESTION
I am currently reading Sutton's Reinforcement Learning: An introduction
book. After reading chapter 6.1 I wanted to implement a TD(0)
RL algorithm for this setting:
To do this, I tried to implement the pseudo-code presented here:
Doing this I wondered how to do this step A <- action given by π for S
: I can I choose the optimal action A
for my current state S
? As the value function V(S)
is just depending on the state and not on the action I do not really know, how this can be done.
I found this question (where I got the images from) which deals with the same exercise - but here the action is just picked randomly and not choosen by an action policy π
.
Edit: Or this is pseudo-code not complete, so that I have to approximate the action-value function Q(s, a)
in another way, too?
ANSWER
Answered 2017-Jul-21 at 08:02You are right, you cannot choose an action (neither derive a policy π
) only from a value function V(s)
because, as you notice, it depends only on the state s
.
The key concept that you are probably missing here, it's that TD(0) learning is an algorithm to compute the value function of a given policy. Thus, you are assuming that your agent is following a known policy. In the case of the Random Walk problem, the policy consists in choosing actions randomly.
If you want to be able to learn a policy, you need to estimate the action-value function Q(s,a)
. There exists several methods to learn Q(s,a)
based on Temporal-difference learning, such as for example SARSA and Q-learning.
In the Sutton's RL book, the authors distinguish between two kind of problems: prediction problems and control problems. The former refers to the process of estimating the value function of a given policy, and the latter to estimate policies (often by means of action-value functions). You can find a reference to these concepts in the starting part of Chapter 6:
As usual, we start by focusing on the policy evaluation or prediction problem, that of estimating the value function for a given policy . For the control problem (finding an optimal policy), DP, TD, and Monte Carlo methods all use some variation of generalized policy iteration (GPI). The differences in the methods are primarily differences in their approaches to the prediction problem.
QUESTION
I have two procedures (Levy Walk and Correlated Random Walk movement strategies, each with their own buttons for debugging purposes, as well as their own parameter sets on the netlogo interface), but I have also embedded both the aforementioned procedures in a single "Go" procedure for batch simulation processing in the following code implementation:
...ANSWER
Answered 2017-Jun-22 at 12:12Your stop
command will stop the go
procedure. (See the docs.) Does the following meet your needs?
QUESTION
I've managed to implement a continuous axis google chart on my page and got it formatted the way I want it. Now my requirements have changed and I'm trying to load this chart from a CSV as opposed to hard coded and randomly generated data.
I've confused myself and gotten in over my head on how to convert my working chart into pulling from a CSV. I'm going to post a few things here,
- One of my other charts that utilizes a CSV, this is what I was trying to recreate
- My working continuous axis chart running off hard coded data
- My current state of the chart now that I've tried to implement the change.
Here is #1:
...ANSWER
Answered 2017-Jun-02 at 17:08the second error message reveals that arrayToDataTable
creates the first column as --> type: 'string'
instead of --> type: 'date'
use a DataView to convert the string to a date
you can create calculated columns in a data view using method --> setColumns
use view
in place of data
when drawing the dashboard
see following snippet...
QUESTION
In this matlab post, one can find solution of "Loop erasing random walk" vector problem. This problem consists in "erasing loops" which means: removing integers between any integer repetition.
Example:
...ANSWER
Answered 2017-Jan-17 at 04:08One of the answers in the thread that you linked in your question solves the problem for 1-D vectors. The 2-D array can be transformed into a 1-D complex vector (and back) using real-imaginarty to complex transform. Thus, the following could be a solution:
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