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python list in sql query as parameter
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answered Nov 12 '08 at 12:30
bobincebobince
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How to select rows with no matching entry in another table?
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Here's a simple query:
SELECT t1.ID
FROM Table1 t1
LEFT JOIN Table2 t2 ON t1.ID = t2.ID
WHERE t2.ID IS NULL
The key points are:
LEFT JOIN is used; this will return ALL rows from Table1, regardless of whether or not there is a matching row in Table2.
The WHERE t2.ID IS NULL clause; this ...
Is there a recommended format for multi-line imports?
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edited Aug 9 '17 at 11:20
answered Jan 17 '13 at 10:45
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Is there a literal notation for an array of symbols?
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
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Set a path variable with spaces in the path in a Windows .cmd file or batch file
... MY_PATH=C:\Folder with a space
"%MY_PATH%\MyProgram.exe" /switch1 /switch2
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How do I invoke a Java method when given the method name as a string?
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Working with time DURATION, not time of day
..., you can simply use subtraction, e.g.
A1: Start: 36:00 (=1.5)
A2: End: 60:00 (=2.5)
A3: Duration: =A2-A1 24:00 (=1.0)
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How to use enum values in f:selectItem(s)
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JSF has a builtin converter for enum, so this should do:
@ManagedBean
@ApplicationScoped
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Is there a conditional ternary operator in VB.NET?
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Depends upon the version. The If operator in VB.NET 2008 is a ternary operator (as well as a null coalescence operator). This was just introduced, prior to 2008 this was not available. Here's some more info: Visual Basic If announcement
Example:
Dim foo as String = If(bar...