frb | Functional Reactive Bindings : A CommonJS package | Functional Programming library
kandi X-RAY | frb Summary
kandi X-RAY | frb Summary
Functional Reactive Bindings (frb): A CommonJS package that includes functional and generic building blocks to help incrementally ensure consistent state.
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Trending Discussions on frb
QUESTION
I have a dataframe using a set of columns from a much larger dataframe
I have used the bfill function to fill up missing date values in certain columns.However in a classic scenario, one of these columns come with only null values and after bfill, that column disappears
...ANSWER
Answered 2021-Apr-14 at 10:55I was not able to see a problem directly related to bfill
. It's a bit difficult to understand the problem entirely without sample data. But the way you select columns is non-idiomatic. Does the following work for you?
QUESTION
I was trying to make a 3D image with PIL and python. But I got AssertionError that said 'assert image.mode == "L"
', on the line which includes '(red_img = ImageOps.colorize(right_img_developed,(0, 0, 0), (255, 0, 0)))
and cyan_img = ImageOps.colorize(left_img_developed,(0, 0, 0), (0, 255, 255))
', I tried googling the error but I couldn't get any answers. I also looked at the documentation but couldn't find any useful help. Thanks in advance.: That is my code:
ANSWER
Answered 2021-Apr-10 at 12:59The function ImageOps.colorize
expects a grayscale image as input and applies a color scale to it. That is what mode "L" stands for (L = Luminosity = grayscale).
If the image you are loading is stored in RGB(A) format then you can convert it to grayscale like this:
QUESTION
I have a serialised table on disk which I want to update based on condition. One way of doing so, is by loading the table in memory, updating it and then serializing it again on disk. Eg:
...ANSWER
Answered 2020-Jun-14 at 20:26If you save your table as one flat file, then the whole table has to be loaded in, updated and then written down, requiring enough memory to hold the full table. To avoid this you can splay your table by adding a trailing / in your filepath, ie
QUESTION
I have a table where I want to update few columns of a row based on a condition
...ANSWER
Answered 2020-Jun-04 at 10:26As you are dealing with Char-lists here (rather than symbol), you need use enlist:
QUESTION
Depiction of a Fast Radio Burst
I have an issue with the msgpack.py which has to be used to read and uncompress the msgpack data. Here is the location of the files which I'm trying to uncompress CHIME/FRB data files. Here is additional information if you can help me. PyPi msgpack.
Does anyone here have experience in trying to read the CHIME/FRB data files and if so can you explain the process?
...ANSWER
Answered 2020-Apr-12 at 10:56Actually, there is no difficulties to unpack the "astro" data. The only difficulty is that the data is huge... and contains other (unspecified) binary data.
Here is how I successfully unpack the file "astro_10889573_20180814144950703901_beam1180_00161339_01.msgpack":
QUESTION
I have this web app project which I deploy on a google cloud appengine.
...ANSWER
Answered 2020-Feb-14 at 07:31Considering this error, it seems that this problem is related to your API Key. As per these other similar cases - that you can access in the below links - it seems that the API Key configured doesn't have all the needed permissions.
I would recommend you to take a look at the below cases and give it a try on the solutions informed there - all of them informed that it solved their problems.
- Requests for referrer are blocked when trying to sign in anonymously to Firebase
- firebaseui Internal error: {"error":{"code":403,"message":"Requests from referer are blocked.","errors":{"message":"Requests from referer
- App hosted on firebase does not have access to firebase authentication? PERMISSION_DENIED
Let me know if the information helped you!
QUESTION
I have a file which contains the userName and its associated information as i provided in the user_list.txt
file. There are two things in the data:
data always starts with the keyword
dn:
and its associated values likemail
,givenName
,uid
separated by individual newline.However, in some cases it it only starting line only which starts with
dn:
.
I have below code which partially works, saying that it doesn't prints the last line dn: uid=aadhar,ou=people,o=udalt.com
as you see in the output. Just wondering what i'm doing wrong here, and would appreciate any correction or advice from the experts.
ANSWER
Answered 2019-Aug-04 at 14:44I believe this will solve your problem:
Code:
QUESTION
I may be going in to wrong direction here so looking for some assistance.
Basically just now, I have a script that opens up a log file and picks out any lines that match a value. With these lines, I then check to see if a key in a dictionary is found and then prints the line. I'm not wanting it to print every line, just if it matches once.
So far I have this but can't seem to break
in order to only show one match
For this example, my syslog
file is:
ANSWER
Answered 2019-Jun-20 at 20:28With no knowledge of what FileReadBackwards
is...
- You can just keep a
set
of seen phases. dict
supports random access, so there's no need to iterate over them, much less use regex on them.
QUESTION
ANSWER
Answered 2019-May-25 at 09:38oninput
event listener executes every time when value of input
changes.
Let see if this is what you want.
QUESTION
I would like to extract the railway lines from abandonedrails.com, starting with Alabama. I'm scraping with beautifulsoup and then trying to decode the polyline encoded LineStrings:
...ANSWER
Answered 2019-Apr-26 at 15:50The information encoded in the data-routes
attribute is in JSON format, as such you need to first convert it using the Python JSON library.
The output from this is a list of segments, which if passed individually to your library should give you what you need:
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