rxr | Maintains state for React app with RxJS the Redux way | State Container library
kandi X-RAY | rxr Summary
kandi X-RAY | rxr Summary
RxR uses RxJS to mimick Redux way of structuring (not only) a React app. Rewrite current react-redux app with RxJS/RxR is straightforward. You can leave most of the main code nearly intact when you learn RxJS with RxR. RxR is a really tiny layer, mostly helpers. You don't need to use RxR or learn RxR specific syntax (except RxJS, but this is the aim). This is what I like on Redux a lot and this is what I wanted to have in RxR. This is work in progress. Two packages (rxr and rxr-react). First versions. A lot to do. Opinions and help welcome. Read more in RxR docs where you can see Redux and appropriate RxR code side by side and you will get into how (simple) RxR works thanks to RxJS. Here is demo app with docs about differences between Redux and RxR: rxr-redux-example.
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QUESTION
I'm trying to understand someone else's code for raw image management.
Here's what I'm looking at:
...ANSWER
Answered 2021-Mar-09 at 04:55A number which is one less than a power of two is all 0 bits on the left and all 1 bits on the right (e.g. 1112 = 7, 111111112 = 255).
The sequence of |=
operators will make sure that for any set bit in the input, all of the bits to its right will also be set — first, copy each bit right by 1, then copy each pair of bits right by 2, then by 4, etc. The result will be a number that's one less than a power of two, and it never copies any bits to the left, so it will be the next highest number of that form.
So, subtract one, compute the next one-less-than-a-power-of-two, and then add one, and indeed, you're getting the next power of two >= the original input, in an efficient way.
QUESTION
I am working on a visualization of a network that includes moveable nodes with edge labels that are updated by streaming data. Currently I am using randint to update a pandas dataframe while I work on the plotting.
The current code can generate the nodes and allows them to move and also updates the edge labels, but it feels "clunky" and every once in a while the plot flashes the axes (which I do not want to see). Is I can't seem to find a good hook in netgraph to simply refresh graph without doing a clear and redraw which will inevitably get worse as the network grows. Anyone know how I can make this smoother?
Here is the current code:
...ANSWER
Answered 2020-Oct-15 at 19:10Here is a response from the author of Netgraph (here) which avoids redrawing the plot and removes the ticks from appearing:
QUESTION
While attempting to parse some very large XML, I ran into a parsing error. I was able to narrow down that the issue was somewhere in the writeup
tag and when I re-ran my code with just that section, it produced the following traceback.
ANSWER
Answered 2019-Nov-08 at 19:33The problem is \x02
in the string. Python thinks that is an ASCII hex character.
Try making your string a raw string by prefixing the string with "r". This will make \
a literal character instead of an escape character.
Example...
QUESTION
I'm trying to write program which returns text ordered in lists.
text file example:
...ANSWER
Answered 2019-Apr-19 at 02:38In skyphrase_list
, you need to construct a list like so:
QUESTION
I am trying to implement an algorithm on java and I need a way to match a pattern where I find any character (lets name it a) then the character 'X' and then the same character a from before. Initial thought was regex, although after some time failing to find a way to do that I am thinking of iterating through all characters and checking them one by one...
But before that if anyone could help, I need something so that ( "AXA", "EXE", "RXR", etc) would match while ("AXB", "EXA", "TXX", etc) would not.
Tried using something like ".X." but of course failed as it matched anything before and after 'X'...
Is there a way to match something like that ?
...ANSWER
Answered 2019-Apr-12 at 00:06Capture the leading char, and use a back reference:
QUESTION
Summary: I want to stop the buzz when I touch my webview in an android app. I want there to be no delay when I touch the webview for the first time and make touch as responsive as possible.
Edit: I have managed to get rid of the buzz. It is called haptic feedback. You remove this by putting the following line of code at the end of my onCreate
function: webview.setHapticFeedbackEnabled(false);
.
Edit 2: I have now found there is a 300ms delay for a first touch to check for zooming and stuff. This can be turned off by putting the following in the section of the
html
file: .
So this question is answered, unless anyone knows any other tips.
I have a very basic android app. You can create it in Android Studio using an 'Empty Activity' using just java. Then update the resultant code as below.
Note: It is basically a webview where the index.html
file is contained in the folder assets/www
.
The blue blobs will respond to your touch. When you press them they will colour cyan blue depending on which side of each circle you are touching. (One is a left/right button and one an up/down button.)
The problem 1: There is an annoying buzz when you touch the screen for the first time and when you touch again after releasing all fingers. How can I remove this within the Android code, just for this app?
The Problem 2: Also I want to make the touch as responsive as possible. Is there anything else I can do? The first time I touch a blue button there seems to be a delay. When I move my finger to the left and right on the blue button, the response seems ok.
The important html:
...ANSWER
Answered 2019-Apr-08 at 22:19As mentioned in the question, I managed to answer it.
I have managed to get rid of the buzz. It is called haptic feedback. You remove this by putting the following line of code at the end of my onCreate
function: webview.setHapticFeedbackEnabled(false);
.
I have now found there is a 300ms delay for a first touch to check for zooming and stuff. This can be turned off by putting the following in the section of the html file: .
QUESTION
I wrote a conditional statement to convert housing prices into ranges. However when I plot a stacked bar plot showing the price of houses by year, I get a bar specifically for houses priced at $0. I would like these houses to fall under the 0-$200k category
...ANSWER
Answered 2019-Mar-01 at 23:33Check with cut
QUESTION
Numpy offers optimized outer operations for any RxR -> R
function, like np.multiply.outer
or np.subtract.outer
, with the behaviour:
ANSWER
Answered 2018-Oct-19 at 19:20Per the documenation:
Many PyTorch operations support NumPy Broadcasting Semantics.
An outer subtraction is a broadcasted subtraction from a 2d array to a 1d array, so essentially you can reshape the first array to (3, 1) and then subtract the second array from it:
QUESTION
I have the following data frame:
...ANSWER
Answered 2018-Sep-07 at 16:52We can use
(1) reorder_within()
function to reorder term
within tissue
facets.
QUESTION
Trying to achieve UIStackView with 2 labels for iPhone and 3 labels for iPad using size classes.
View hierarchy
Default size class
...
ANSWER
Answered 2017-Nov-14 at 12:59It seems you are hiding one of the labels on iPhone using the "installed" checkbox in Interface Builder. Using the "hidden" checkbox instead seems to solve the problem. Which I guess is a bug.
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