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  1. R

    How to calculate MAX from a dataset column in original Vega

    I'm working on a Power BI Deneb visual, using original (not Lite) Vega syntax. I'm trying to calculate a maximum value from a column of my dataset, containing only integers. I could do this on Power BI side and pass max as a repeated argument in dataset, but for performance reasons I would like...
  2. R

    Display rows if one item is present in column of multiple values of dataframe

    You can use split and explode the string, then keep only the duplicated values and use it to reindex the dataframe and assign the new values: s = df['course_name'].str.split(';').explode() s2 = s[s.duplicated(keep=False)].groupby(level=0).agg(';'.join) out =...
  3. R

    how to hide the value on top of barchart when its zero? [closed]

    Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 17 mins ago. Improve this question I am using fl chart pakage for bar graph.
  4. R

    Change appBar icon real-time with StreamBuilder - flutter

    You can use like below @override Widget build(BuildContext context) { return StreamBuilder<Object>( stream: FirebaseFirestore.instance .collection("users") .doc(FirebaseAuth.instance.currentUser!.uid) .snapshots(), builder: (context...