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QUESTION
I have raised the SO Question here and blessed to have an answer from @Scott Boston.
However i am raising another question about an error ValueError: Columns must be same length as key
as i am reading a text file and all the rows/columns are not of same length, i tried googling but did not get an answer as i don't want them to be skipped.
ANSWER
Answered 2020-Oct-06 at 01:06I couldn't figure out a pandas way to extend the columns, but converting the rows to a dictionary made things easier.
QUESTION
I am reading a file called kids_csv
with header=None
option, this file contains every row with specific alphabets along with :
like ab:
, ad:
etc, I want the entire row to become a column where like ab:
that's starting off the line needs to be designated as a column name.
below is my dataframe:
...ANSWER
Answered 2020-Oct-05 at 16:11Try this:
QUESTION
Please help, regex blown my mind.
I am cleaning data in Pandas dataframe (python 3).
I tried so many combos of regex found on the web for digits but none work for my case. I can't seem to figure out how to write my own regex for pattern 2 digits space to space 2 digits (example 26 to 40).
My challenge is to extract from pandas column BLOOM (scraped data) number of petals. Frequently petals are specified as "dd to dd petals". I know that 2 digits in regex are \d\d
or \d{2}
but how do I incorporate split by "to"? It will also be good to have a condition that the pattern is followed by word "petals".
Surely I am not the first person that needs regex in python for pattern \d\d to \d\d.
Edit:
I realised that my question without a sample dataframe is a bit confusing. So here is a sample dataframe.
...ANSWER
Answered 2020-Aug-21 at 08:02This worked for me:
QUESTION
I have this dagtaframe, talismen_players:
...ANSWER
Answered 2020-Jun-11 at 04:18You can do this using an initialized selection, along with an opacity for highlighting. For example:
QUESTION
I'm a beginner and was starting to learn react router. I made a json server to store a fake api containing a json file of movies. Currently, I have a page that lists just the title of movies in a list These are retrieved dynamically from the json server, not hardcoded in html.
My goal is to click on one of these links for the title and display more detailed info such as description, runtime, genre, etc. This is where i'm having trouble. I can't display the detailed information when clicking the links. When i console.log the object, it's showing the corresponding movie object and its detailed info. However, when I return the information, it's not getting access to the object. I've attached my json.
I've tried changing the fetchMovie variable to contain get
:
ANSWER
Answered 2020-Apr-07 at 18:46As you said, you are using a fake API with just a JSON file. This means there is no way to get a part of this JSON and you always have to fetch the entire list of movies and then choose the appropriate one.
You could do that with such a fetchMovie()
function.
QUESTION
I want to list a lot of arrays from another file,
when I do a "for" to read any array inside.
The code compile do all the list, but when finish the last the code gave me is undefined. How do I fix that?.
I put images from the code. I let you both codes if you want
...ANSWER
Answered 2019-Nov-17 at 07:43Just to clarify your confusion, here is the updated function:-
QUESTION
I want to plot cluster of my data-set by the only method i know is to map string to some integer value. Like
...ANSWER
Answered 2019-Dec-08 at 08:41Choose the appropriate visualization technique for your data.
On categoricial data, bar charts are more appropriate than scatter plots, since you don't need the x axis to be numeric.
Also choose appropriate algorithms... K-means only makes sense on continuous variables. Encoding categories as integers for k-means is just wrong. In your case, k-means would assume the average of English and German is exactly French.
QUESTION
I'm coding a soccer game and coins is set to 2000
at the start but whenever I buy a player it doesn't adjust the coins (replit is the platform it's being coded on so replit.clear()
clears the whole screen).
Transfer market function:
...ANSWER
Answered 2019-Oct-25 at 18:38(Just turned my comment into an answer, since I realised that this might actually be what you are asking for)
State modeling for large applications is never simple, so I am a bit unsure on what you mean by "the rest of the project".
However it seems like what you are asking for is how you return values from a functions scope to the calling scope?
When you modify coins in your function like here coins = coins - goalkeeper_price
you only modify the local variable coins in the scope of your function. To return that value to the outer scope you can return the new value.
So in the end of your function add this line
return coins
Now when you call your function you can set the coins value of the outer scope to the modfied value like this coins = transfer_market (coins, gk, rb, rcb, lcb, lb, rcm, cm, lcm, rw, st, lw)
If you would like to understand more about why it did not work to just modify the local coins variable in your function, you can read a bit about 'call by value' vs 'call by reference'. https://press.rebus.community/programmingfundamentals/chapter/call-by-value-vs-call-by-reference/ (spoiler: Numbers are parsed by value)
QUESTION
Connecting to the Flec WebSocket server my client will receive the same message that was sent correctly the first time. The next time a message is sent, Fleck will send back the same message 2 times. Next time 3 times, and so on. I have tried different clients with the same result. Any idea why?
...ANSWER
Answered 2019-Oct-14 at 08:35On the client side I had the OnMessage inside a while loop. Problem solved
QUESTION
after parsing a local JSON object from the assets folder,I can't display the contents on the screen, I've been at it for two days, please bear in mind that I'm a newbie in programming and flutter development fresh out from a udemy course and this is my first project. Id appreciate any help I can get.
my JSON file
...ANSWER
Answered 2019-Oct-07 at 12:11I don't if that's the problem but try using initState instead of constructor.
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