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jinxing • Application • 244 View • 2024-08-07 18:08:07
SQL, split values of two columns respectively and count members of their intersection
jinxing • Application • 312 View • 2024-08-06 16:02:56
SQL, Set different flags for different groups according to whether there are duplicate values
jinxing • Desktop • 218 View • 2024-08-06 16:04:13
Group and summarize rows while retaining columns whose values are unchanged
jinxing • Application • 313 View • 2024-08-05 17:30:22
Get duplicate records from a csv file and sort them
jinxing • Desktop • 216 View • 2024-08-05 16:47:19
Group and summarize a tree structure table
jinxing • Desktop • 174 View • 2024-08-05 09:25:46
Define a dynamic range of columns and perform aggregation
jinxing • Application • 226 View • 2024-08-02 14:02:51
Retrieve multiple columns from a csv file to generate a new file
jinxing • Application • 216 View • 2024-08-01 15:37:08
Clear duplicate lines and lines having missing values from a csv file
jinxing • Desktop • 246 View • 2024-08-01 14:32:18
Group columns of an Excel table and perform aggregation
jinxing • Application • 229 View • 2024-07-31 18:28:00
Merge multiple files, remove duplicates and sort the result
jinxing • Desktop • 215 View • 2024-07-31 17:02:28
Replace duplicate items with the specified text
jinxing • Application • 202 View • 2024-07-29 09:22:46
Use Java to perform wordcount
jinxing • Desktop • 175 View • 2024-07-27 08:53:55
Match the first part of the cell value
jinxing • Desktop • 225 View • 2024-07-26 08:34:40
Get a random row from each group
jinxing • Application • 268 View • 2024-07-26 08:32:05
Retrieve a specified column from a csv file and concatenate its values as a string
jinxing • Desktop • 339 View • 2024-07-25 13:12:04
Remove duplicates and compute intersection
jinxing • Application • 155 View • 2024-07-24 19:32:39
Find the row containing the maximum value from a text file
jinxing • Application • 173 View • 2024-07-24 09:43:49
Parse a csv file having two structures
jinxing • Desktop • 147 View • 2024-07-23 16:21:54
Find the difference between contents of two cells
jinxing • Desktop • 191 View • 2024-07-22 18:08:11
Find the first cell value meeting the specified condition
jinxing • Application • 179 View • 2024-07-22 18:04:30
Convert a json string to a csv file
jinxing • Application • 258 View • 2024-07-22 09:51:40
Read the first 100 lines from a huge csv file on S3
jinxing • Desktop • 153 View • 2024-07-19 16:26:32
Write the first lines of multiple csv files to Excel
jinxing • Desktop • 176 View • 2024-07-18 18:05:11
Align rows of data to a specified column
jinxing • Application • 152 View • 2024-07-18 18:02:44
Parse a text file containing quotation marks

«1 ... 2 3 4 5 6 7 8 9 10 11 ... 47»

SQL, split values of two columns respectively and count members of their intersection

SQL, Set different flags for different groups according to whether there are duplicate values

Group and summarize rows while retaining columns whose values are unchanged

Get duplicate records from a csv file and sort them

Group and summarize a tree structure table

Define a dynamic range of columns and perform aggregation

Retrieve multiple columns from a csv file to generate a new file

Clear duplicate lines and lines having missing values from a csv file

Group columns of an Excel table and perform aggregation

Merge multiple files, remove duplicates and sort the result

Replace duplicate items with the specified text

Use Java to perform wordcount

Match the first part of the cell value

Get a random row from each group

Retrieve a specified column from a csv file and concatenate its values as a string

Remove duplicates and compute intersection

Find the row containing the maximum value from a text file

Parse a csv file having two structures

Find the difference between contents of two cells

Find the first cell value meeting the specified condition

Convert a json string to a csv file

Read the first 100 lines from a huge csv file on S3

Write the first lines of multiple csv files to Excel

Align rows of data to a specified column

Parse a text file containing quotation marks

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