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RaqForum 41 No.Member, 2020-03-31 15:38:08 Join
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2024-08-23
15:29
Add a post Java, perform COUNT on each group of a large csv file
-21
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98331
2024-08-23
15:27
Add a post Get the last row of each group
-21
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98352
2024-08-22
16:21
Add a post Java, fill each row having a null value in a csv file with values in the directly previous row
-21
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98373
2024-08-22
16:07
Add a post Get rankings of Excel rows in each group while retaining the existing order
-21
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98394
2024-08-21
15:03
Add a post Group and Summarize rows and add different words after different counts
-21
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98415
2024-08-21
15:00
Add a post Group and Summarize data, and align to the specified sequence
-21
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98436
2024-08-20
15:23
Add a post SQL, mark continuous rows with sequence numbers
-21
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98457
2024-08-20
15:03
Add a post Group an EXCEL table and concatenate values of rows meeting the specified condition
-21
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98478
2024-08-19
17:39
Add a post SQL, compute cumulative sums according to the termination condition
-21
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98499
2024-08-19
14:05
Add a post SQL, parse json data
-21
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98520
2024-08-19
14:03
Add a post In an Excel table, find rows corresponding to the 1st and the last non-empty cells in each column
-21
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98541
2024-08-16
15:29
Add a post Sort an EXCEL table according to custom segments
-21
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98562
2024-08-16
15:26
Add a post SQL, concatenate multiple rows of strings and remove duplicates
-21
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98583
2024-08-15
15:54
Add a post SQL, output associated records having many-to-many relationship row by row
-21
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98604
2024-08-15
15:52
Add a post Find the category meeting the specified condition
-21
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98625
2024-08-14
15:36
Add a post Copy each row N times (N is the cell value of the specified column)
-21
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98646
2024-08-12
09:27
Add a post SQL, get historical status of each ID
-21
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98667
2024-08-09
15:40
Add a post Group rows and combine non-null values in each of non-grouping columns
-21
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98688
2024-08-08
14:22
Add a post SQL, get median of all columns in each row
-21
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98709
2024-08-08
14:17
Add a post Find difference between two strings
-21
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98730
2024-08-07
18:09
Add a post Skip empty cells to sort members
-21
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98751
2024-08-07
18:08
Add a post SQL, split values of two columns respectively and count members of their intersection
-21
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98772
2024-08-06
16:02
Add a post SQL, Set different flags for different groups according to whether there are duplicate values
-21
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98793
2024-08-06
16:00
Add a post Group and summarize rows while retaining columns whose values are unchanged
-21
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98814
2024-08-05
17:30
Add a post Get duplicate records from a csv file and sort them
-21
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98835
2024-08-05
16:47
Add a post Group and summarize a tree structure table
-21
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98856
2024-08-05
09:25
Add a post Define a dynamic range of columns and perform aggregation
-21
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98877
2024-08-02
14:02
Add a post Retrieve multiple columns from a csv file to generate a new file
-21
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98898
2024-08-01
15:37
Add a post Clear duplicate lines and lines having missing values from a csv file
-21
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98919
2024-08-01
14:32
Add a post Group columns of an Excel table and perform aggregation
-21
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98940
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