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Proper way to declare custom exceptions in modern Python?
...dit: to override something (or pass extra args), do this:
class ValidationError(Exception):
def __init__(self, message, errors):
# Call the base class constructor with the parameters it needs
super(ValidationError, self).__init__(message)
# Now for your custom code...
...
fatal: could not read Username for 'https://github.com': No such file or directory
... I followed it up with Jefferson Silva's and it worked well. Still have an error: cannot spawn sh: No such file or directory message...
– TheSciGuy
May 13 '19 at 14:56
add a c...
How to get rspec-2 to give the full trace associated with a test failure?
Right now if I run my test suite using rake spec I get an error:
6 Answers
6
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C++ templates that accept only certain types
...T*> {
...
};
// All other types are invalid, and will cause linker error messages.
[Minor EDIT 6/12/2013: Using a declared-but-not-defined template will result in linker, not compiler, error messages.]
share
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“Parse Error : There is a problem parsing the package” while installing Android application
I got this error while installing the android application ( Parse Error : There is a problem parsing the package. ). I did the following steps.
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Make: how to continue after a command fails?
The command $ make all gives errors such as rm: cannot remove '.lambda': No such file or directory so it stops. I want it to ignore the rm-not-found-errors. How can I force-make?
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Checking for a dirty index or untracked files with Git
.../null| egrep "^(M| M)" | wc -l)
Note: The 2>/dev/null filters out the error messages so you can use these commands on non-git directories. (They'll simply return 0 for the file counts.)
Edit:
Here are the posts:
Adding Git Status Information to your Terminal Prompt
Improved Git-enabled Shel...
Makefile variable as prerequisite
...
This will cause a fatal error if ENV is undefined and something needs it (in GNUMake, anyway).
.PHONY: deploy check-env
deploy: check-env
...
other-thing-that-needs-env: check-env
...
check-env:
ifndef ENV
$(error ENV is undefined)
endif
(...
Is it a good practice to use try-except-else in Python?
...able code in these cases.
"It my understanding that exceptions are not errors, they should only
be used for exceptional conditions"
In some other languages, that rule reflects their cultural norms as reflected in their libraries. The "rule" is also based in-part on performance considerations...
The OutputPath property is not set for this project
...le my project from x86 debug mode in Visual Studio 2008. I am getting this error. When I looked at the property group of the project that complained, I see output path is set.
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