Tag: writing

How to groupby multiple columns in pandas based on name?

Advertisements I want to create a new dataframe with columns calculated as means of columns with similar names from this dataframe: B6_i B6_ii B6_iii … BXD80_i BXD80_ii BXD81_i data … Cd38 0.598864 -0.225322 0.306926 … -0.312190 0.281429 0.424752 Trim21 1.947399 2.920681 2.805861 … 1.469634 2.103585 0.827487 Kpnb1 -0.458240 -0.417507 -0.441522 … -0.314313 -0.153509 -0.095863 Six1… Read More How to groupby multiple columns in pandas based on name?

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Variables within a function

Advertisements Writing a function to calculate date based on relativedelta. How do I make the ‘frequency’ a variable? e,g, relativedelta(years=5), ability to define frequency: "years", "months", "days" etc.. Tried f-string literal but i think the apostrophe is giving issues. def date_ago(date, period, frequency): """date: "yyyy-mm-dd" frequency: "years", "months", "weeks", "days" period: interger """ date_ago =… Read More Variables within a function

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How to update an object all elements inside map function in react

Advertisements I want to update object all elements one by one in map, It is updating only one element of the object not all const [docUrls, setDocUrls] = useState({ imageUrl: "", panUrl: "",statementUrl: "" }) response from api res.data.map(item=>{ if(item.type === ‘image’){ setDocUrls({…docUrls, imageUrl:item.url}) }else if(item.type === ‘pan’){ setDocUrls({…docUrls, panUrl:item.url}) }else setDocUrls({…docUrls, statementUrl:item.url}) }}) >Solution… Read More How to update an object all elements inside map function in react

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How can I create the columns to my table when using pandas.to_sql?

Advertisements I was creating a test SQL database with the following code: import sqlite3 connection = sqlite3.connect(‘tv.sqlite’) cursor = connection.cursor() #Create database sql_query = """ CREATE TABLE tvshows ( id integer PRIMARY KEY, producer text NOT NULL, language text NOT NULL, title text NOT NULL )""" #Execute the SQL query cursor.execute(sql_query) I get to define… Read More How can I create the columns to my table when using pandas.to_sql?

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Why is StreamWriter adding random bytes to a file?

Advertisements I’m trying to translate a virtual key code with ToAsciiEx() and write it to a debug file. For some reason, the output file contains a load of random trash bytes interspersed with the key codes I want to log. I’m importing ToAsciiEx() like this: [DllImport("user32.dll")] static extern int ToAsciiEx(uint uVirtKey, uint uScanCode, byte[] lpKeyState,… Read More Why is StreamWriter adding random bytes to a file?

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