All Questions
3,036
questions
0
votes
1
answer
45
views
Filter datetime column with object as data type in python
I have a df with a Timestamp and Value columns. Both have the 'object' dtype
| Timestamp | Value |
--------------------------------------
| 8/21/2023 12:00:00 AM | a |
| 11/...
0
votes
1
answer
47
views
Pyspark Filtering Array inside a Struct column
I have a column in my Spark DataFrame that has this schema:
root
|-- my_feature_name: struct (nullable = true)
| |-- first_profiles: map (nullable = true)
| | |-- key: string
| | |--...
- 392
-3
votes
1
answer
65
views
Does filter have a way to export the "list" one element at a time?
On a practice exercise about prime numbers I found out that filter does not return a list itself and I need to do:
list(filter())
to obtain that list.
I do the exercise twice, once with a for loop:
...
-4
votes
1
answer
33
views
how to extract files from a list using substring filter [duplicate]
I have a list of files from os.listdir like:
TXSHP_20240712052921.csv
TXSHP_20240715045301.csv
TXSHP_FC_20210323084010.csv
TXSHP_FC_20231116060918.csv
how do I extract only the ones where 'FC' is ...
- 362
0
votes
1
answer
57
views
xml.etree.ElementTree. Element object has no attribute 'nsmap'
I try to process xml data from the website https://www.marktstammdatenregister.de/MaStR/Datendownload
I downloaded some datasets for a certain technology for example Netzanschlusspunkte. First step ...
- 349
0
votes
0
answers
23
views
How to keep ag grid filter after selecting all filtered?
I have an ag grid table that I am filtering, and upon a button click it is set to select all the rows that are currently filtered using selectAllFiltered(), and after clicking the button the filtered ...
0
votes
2
answers
76
views
What does "lambda x: x-0 and x-1" mean? [duplicate]
What does the expression do?
my_tuple = (0, 1, 2, 3, 4, 5)
foo = list(filter(lambda x: x-0 and x-1, my_tuple))
print(foo)
What output is to be expected from above equation?
- 11
0
votes
0
answers
8
views
Madgwick Filter Results Unstable with Stationary Input Data
I'm implementing a Madgwick filter using the `ahrs` library in Python, but I'm encountering an issue where the results are not stable when I input data from a stationary sensor. The output angles are ...
- 11
0
votes
3
answers
53
views
Automatically filtered a specific element in a list and input them in a separate lists
I am working on a large list of data. The list should look like this
List=[1,2,3,0,0,0,0,4,5,6,0,0,0,7,8,9]
It consists of chain of positive number, and is discreted by 0 values. I want to take to ...
0
votes
1
answer
45
views
How to write a function to read csv files with different separators in pandas in Python?
I have a bunch of CSV files for different years named my_file_2019, my_file_2020, my_file_2023 and so on. Some files have tab separator while others have semi-colon.
I want to write a common function ...
- 1,456
0
votes
2
answers
32
views
Filtering dictionary elements by few initial values [closed]
I have the following data structure:
Clients= {
"data": [
{
"nClients": 3
},
{
"name": "Mark",
"...
- 1,779
2
votes
4
answers
92
views
Filter DataFrame events not in time windows DataFrame
I have a DataFrame of events (Event Name - Time) and a DataFrame of time windows (Start Time - End Time).
I want to get a DataFrame containing only the events not in any of the time windows.
I am ...
- 191
0
votes
0
answers
40
views
How to correctly pass FFMPEG arguments using PYTHON? [duplicate]
I wrote script to create a hardcoded overlay onto a video from a .txt data file using this command syntax:
ffmpeg -i 'input.mp4' -vf "ass='subfile.ass'" -c:v h264_qsv 'output.mp4'
If I do ...
- 9
0
votes
0
answers
28
views
How do I filter a list of dicts with a list of strings in Python? [duplicate]
I have a list of dicts which I would like to filter with another list, but am having trouble with the filter() function
list_of_dicts = [{'name': 'Bob'},{'name': 'Alice'},{'name':'Jenny'}]
list_2 = ['...
0
votes
2
answers
37
views
Pandas - Filter - TypeError: 'in <string>' requires string as left operand, not list
I am exploring Pandas filter and while doing so I came across this error while using the below query
df2.filter(like = ['Republic','United'], axis=0 )
How do I provide a list in Like parameter in ...
