John Woo

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John Woo has asked 18 questions and find answers to 824 problems.

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John Woo questions

GET FRIENDLY PORT NAME Programmatically
Excel Randomize Decimal Number
iReport Mistakenly Displaying Summary between Detail Band and Column Footer
Addition and Subtraction of Dates in Java
MySQL Remove Trailing Zero
How to Pass MethodName as Parameter of a Procedure in VBNET
SELECT Statement with substr in WHERE Clause
byte + byte = unknown result
Default button in JFrame is not firing when the enter key is being pressed
Restore MySQL database folder from a recovered Hard Disk

John Woo answers

SQL SELECT with GROUP BY, referring back to the group
Postgres simple 'pivot' table
SQL Query with Optional Parameter and Possible Null Column
How to write SUM(IF(boolean, integer, integer)) col_name in query in postgresql
SQL HAVING COUNT and JOIN
MYSQL: Most sufficient way to to update only fields that are not empty?
How to add a foreign key column in the MySQL table?
MySQL AVG() return 0 if NULL
Cant connect to specific schema in mysql
How to put a space between two SQL columns after joining them?