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New posts in multiple-columns
Read CSV file column by column
Sep 09, 2025
java
csv
file-io
multiple-columns
Returning multiple columns with pandas apply and user-defined functions
Sep 06, 2025
python
pandas
user-defined-functions
multiple-columns
apply
Converting multiple boolean columns to single factor column
Sep 06, 2025
r
matrix
multiple-columns
SQL - CASE WHEN - Data displayed on separate rows after transposing
Sep 05, 2025
sql
multiple-columns
transpose
case-when
How to mutate several columns by column index rather than column name using across?
Sep 04, 2025
r
multiple-columns
dplyr
across
pyplot: change ncols within a legend
Mar 25, 2023
matplotlib
multiple-columns
legend-properties
ZURB Foundation and row collapse
Mar 22, 2023
multiple-columns
zurb-foundation
space
grid-system
Testing for multiple identical columns in R
Mar 19, 2023
r
compare
multiple-columns
Convert datetime string to new columns of Day, Month, Year in pandas data frame
Mar 12, 2023
python
datetime
pandas
dataframe
multiple-columns
Pandas add multiple new columns at once from list of lists
Mar 12, 2023
list
pandas
multiple-columns
python-3.5
How to get the first index of a pandas DataFrame for which several undefined columns are not null?
Mar 11, 2023
python
pandas
numpy
dataframe
multiple-columns
Pandas- split a multiple index dataframe
Mar 11, 2023
python
pandas
multiple-columns
Create a column based on different group conditions
Mar 04, 2023
r
if-statement
select
multiple-columns
SQL Server: "Mostly-unique" index
Feb 28, 2023
sql-server
sql-server-2005
sql-server-2000
unique-constraint
multiple-columns
R: How to change the column names in a data frame based on a specification
Feb 18, 2023
string
r
dataframe
multiple-columns
bioinformatics
Selecting rows based on multiple conditions using OR instead of AND in R
Feb 13, 2023
r
multiple-columns
Replacing more than n consecutive values in Pandas DataFrame column
Feb 07, 2023
python
pandas
replace
multiple-columns
cumsum
How to proportionally adjust column widths in a QTableView?
Sep 02, 2025
python
resize
multiple-columns
pyqt5
qtableview
Extract columns from text based table output
Sep 02, 2025
powershell
properties
multiple-columns
Counting number of times a value in 1 column occurs across multiple other columns
Sep 01, 2025
r
dataframe
multiple-columns
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