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Groovy: what's the purpose of “def” in “def x = 0”?
...able("y")
} catch (groovy.lang.MissingPropertyException e) {
println "error caught"
}
Prints: "error caught"
Using the def keyword in larger programs is important as it helps define the scope in which the variable can be found and can help preserve encapsulation.
If you define a method in ...
How to know if an object has an attribute in Python
...
hasattr is exactly the same as using try/except AttributeError: the docstring of hasattr (in Python 2.7) says that it uses getattr hand catches exceptions.
– Jeff Tratner
Apr 27 '12 at 3:04
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How to get just one file from another branch
...t can be a good question to ask here, with specific details like the exact error message, and version of Git and OS used.
– VonC
Jun 5 '14 at 21:23
2
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How do I parse command line arguments in Java?
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– Marcus Junius Brutus
Jul 3 '13 at 18:05
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show 12 more comments
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Git-Based Source Control in the Enterprise: Suggested Tools and Practices?
...e integrated into everyone's working copies. This merging very painful and error-prone.
– Sad Developer
Mar 12 '10 at 11:37
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Nesting await in Parallel.ForEach
...
svicksvick
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How can I verify if one list is a subset of another?
... do that!
– inVader
Jun 13 '19 at 8:05
Context matters; this was accepted for helping the asker, and did explain the d...
Create Windows service from executable
...egistering a non-service executable as a service, you'll get the following error upon trying to start the service:
Error 1053: The service did not respond to the start or control request in a timely fashion.
There are tools that can create a Windows Service from arbitrary, non-service executab...
Is it ok to use dashes in Python files when trying to import them?
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the problem has nothing to do with style, it's a syntax error
– user3850
Apr 19 '09 at 0:09
4
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PostgreSQL - how to quickly drop a user with existing privileges
...USER testuser; GRANT ALL ON foo TO testuser; DROP USER testuser gave the error messages: ERROR: role "testuser" cannot be dropped because some objects depend on it DETAIL: access to table foo. However, DROP OWNED BY testuser did the trick, apparently Postgres considers grants to be droppable ob...