Learn how to filter Pandas dataframe using ‘in’ and ‘not in’ operators, similar to SQL. Master efficient data filtering techniques in Pandas for data analysis and manipulation.… Read More How to Filter Pandas Dataframe using ‘in’ and ‘not in’ like in SQL
Learn how to calculate the check digit according to ISO 6346 for shipping containers. Prevent errors in tracking and documentation with this simple algorithm.… Read More JavaScript : How to Calculate the Check Digit according to ISO 6346
Advertisements I am having an issue removing a day from a column if it falls on a specific day. How do I remove a day if the date value falls on ‘2/29/2024’? I need to remove it from ANY year that date occurs so it will be on 2/28. I tried this and it still… Read More With SQL, how do remove a day from a date value if it falls on a certain day?
Advertisements As a language that aims for safety and performance, Rust provides a powerful data structure called HashSet that provides a fast and efficient way to store and retrieve unique values. HashSet is optimized for scenarios where you need to check for the presence of a value and avoid duplicates, making it a popular choice… Read More How to apply function that returns Result to each element of HashSet in Rust
Advertisements Table A : ID AMOUNT Order ————————- 1 100 1 1 300 2 1 320 3 2 100 1 2 200 2 2 423 3 2 613 4 3 112 1 3 218 2 3 290 3 3 480 4 Expected Output : Table A : ID AMOUNT Order Flag —————————— 1 100 1… Read More FLAG 'Y' to first matched condition in SQL Server
Advertisements I’m working on a query in DataCamp SQL and I don’t understand the ending to this query: SELECT season, date, home_goal, away_goal FROM matches_italy WHERE — Exclude games not won by Bologna CASE WHEN hometeam_id = 9857 AND home_goal > away_goal THEN ‘Bologna Win’ WHEN awayteam_id = 9857 AND away_goal > home_goal THEN ‘Bologna… Read More Trying to understand why IS NOT NULL is necessary at end of query and case statement in SQL
Advertisements I have seen the general case statement in bash that an asterisk * to denotes the default pattern. If an expression isn’t matched with any of the other patterns in the case statement the default clause is executed. case $1 in ("-u2") printf "%s\n" "TODO" ;; ("-u3") printf "%s\n" "TODO" ;; ("-u1"|"-u"|*) printf "%s\n"… Read More Modified default for bash case statement
Advertisements I am using a SQL Server database and have a table named MYTABLE which has data as shown below. I am trying to fetch the data from my stored procedure that accepts @AllowedUser as parameter. The stored procedure is currently just simple select query SELECT * FROM MYTABLE However it returns all three rows.… Read More Filter rows on basis of parameter provided by Stored Procedure
Advertisements i need help in writing tsql select statement for my update: Existing SQL update statement: Update etl.dbo.SVRSummaryDataStage SET Location = CASE WHEN Location IN (‘131200′,’131400′,’131500′,’132400’) THEN ‘131200’ WHEN Location IN (‘130600′,’131600′,’131700′,’131800’) THEN ‘130600’ WHEN Location IN (‘130700′,’130800′,’130900′,’131100′,’131300′,’131900′,’132200’) THEN ‘130700’ WHEN Location IN (‘130100′,’130200′,’130300’) THEN ‘130110’ WHEN Location IN (‘130400′,’130500′,’132100’) THEN ‘130120’ END WHERE Location… Read More Tsql Select CASE
Advertisements I have the following table1 invoice 1 | 2022-12-05 | 20 2 | 2022-12-06 | 100 3 | 2022-12-07 | 100 And table2 invoice_payment 1 | 1 | 20 | cash 2 | 2 | 100 | POS 3 | 3 | 25 | Cash 4 | 3 | 50 | POS 5 |… Read More Assistance with mysql case
