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Why catch and rethrow an exception in C#?
... // code that may throw exceptions
}
catch(Exception ex)
{
// add error logging here
throw;
}
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Java Class.cast() vs. cast operator
...ct
rather than
MyObject myObject = MyObject.class.cast(object)
EDIT: Errors at compile time
Over all, Java performs cast checks at run time only. However, the compiler can issue an error if it can prove that such casts can never succeed (e.g. cast a class to another class that's not a supert...
How to set breakpoints in inline Javascript in Google Chrome?
...ript console, which itself is buggy - for example, once it encounters a JS error, I cannot get out of it unless I refresh the whole page. Can someone help?
...
Define a lambda expression that raises an Exception
...ollowing also works: lambda: 1 / 0. You'll just end up with a ZeroDivisionError being thrown instead of a regular exception. Bear in mind that if the exception is allowed to propogate, it may look strange to someone debugging your code to start seeing a bunch of ZeroDivisionErrors.
...
What is the purpose of “return await” in C#?
...y doesn't compile. Assuming the return type of SecondAwait is `string, the error message is: "CS4016: Since this is an async method, the return expression must be of type 'string' rather than 'Task<string>'".
– svick
Nov 23 '16 at 12:17
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How to hide action bar before activity is created, and then show it again?
... @AlexSemeniuk When I use that line in the manifest, I get this error: error: Error: No resource found that matches the given name (at 'theme' with value '@android:style/ Theme.NoActionBar').
– Si8
Aug 20 '13 at 13:02
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Join/Where with LINQ and Lambda
...uble with a query written in LINQ and Lambda. So far, I'm getting a lot of errors here's my code:
9 Answers
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must appear in the GROUP BY clause or be used in an aggregate function
...pain is 5 and for canada the best result is 2. It is true, and there is no error.
If we need to display wmname also, we have to answer the question: "What is the RULE to choose wmname from resulting set?" Let's change the input data a bit to clarify the mistake:
cname | wmname | avg ...
How to mock an import
...
A.py:
import B
Note B.py does not exist, but when running test.py no error is returned and print(A.B.__name__) prints mock_B. You still have to create a mock_B.py where you mock B's actual functions/variables/etc. Or you can just assign a Mock() directly:
test.py:
import sys
sys.modules['B']...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
... arguments and without the -c option whose standard input
and error are both connected to terminals (as determined
by isatty(3)), or one started with the -i option. PS1 is
set and $- includes i if bash is interactive, allowing a
shell script or a startup file ...