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jinxing • Application • 257 View • 2024-08-07 18:08:07
SQL, split values of two columns respectively and count members of their intersection
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jinxing • Application • 354 View • 2024-08-05 17:30:22
Get duplicate records from a csv file and sort them
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jinxing • Application • 243 View • 2024-08-02 14:02:51
Retrieve multiple columns from a csv file to generate a new file
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jinxing • Application • 224 View • 2024-08-01 15:37:08
Clear duplicate lines and lines having missing values from a csv file
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jinxing • Application • 249 View • 2024-07-31 18:28:00
Merge multiple files, remove duplicates and sort the result
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jinxing • Application • 295 View • 2024-07-26 08:32:05
Retrieve a specified column from a csv file and concatenate its values as a string
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jinxing • Application • 164 View • 2024-07-24 19:32:39
Find the row containing the maximum value from a text file
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jinxing • Application • 296 View • 2024-07-22 09:51:40
Read the first 100 lines from a huge csv file on S3
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jinxing • Application • 143 View • 2024-07-16 09:52:58
SQL, split up a field according to whether the specified characters are unique or not
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jinxing • Application • 225 View • 2024-07-08 08:50:24
Judge whether two csv files have same content
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jinxing • Application • 245 View • 2024-07-04 15:54:29
Filter a CSV file according to condition and output result as a list
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jinxing • Application • 267 View • 2024-07-04 15:08:50
Convert irregular format CSV to standard JSON strings