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@Override is not allowed when implementing interface method

... You could say that this thread duplicates another one: How do I turn off error validation for annotations in IntelliJ IDEA? ...
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Is it possible for a unit test to assert that a method calls sys.exit()

... +1, as for checking error code it's far simpler to do just: self.assertRaisesRegex( SystemExit, '^2$', testMethod ) Less code, readable enough. – Marek Lewandowski Apr 11 '15 at 23:29 ...
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Python: finding an element in a list [duplicate]

... But this code gives error when element is not in the list.In current example context if I search for 'three' (i.e: li.index('three')) gives error. – Kedar.Aitawdekar May 28 '14 at 7:31 ...
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Exception.Message vs Exception.ToString()

...oString() . With the latter, you retain more crucial information about the error. 7 Answers ...
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Still Reachable Leak detected by Valgrind

... ran your sample program (after some obvious corrections) and I don't have errors but the following ==18933== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 4 from 4) --18933-- --18933-- used_suppression: 2 dl-hack3-cond-1 --18933-- used_suppression: 2 glibc-2.5.x-on-SUSE-10.2-(PPC...
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How is null + true a string?

...overload resolution fails to select a single best operator, a binding-time error occurs. So, let's walk through this in turn. X is the null type here - or not a type at all, if you want to think of it that way. It's not providing any candidates. Y is bool, which doesn't provide any user-define...
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The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl

... start them as u tell.. some of them are class library projects.. follwing error popup appears: "A project with an Output Type of Class Library cannot be started directly" – Muhammad Azeem Oct 19 '12 at 10:31 ...
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How to convert a table to a data frame

... as.data.frame.matrix(table(x)) gives me Error in seq_len(ncols) : argument must be coercible to non-negative integer, while as.data.frame(table(x)) works, where x is just a numeric vector c(1,2,...) – PatrickT Oct 21 '17 at...
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”

... Yes, the error goes as also mentioned here - slf4j.org/manual.html But i get a new error now - Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory – david blaine Ap...
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Unresolved reference issue in PyCharm

... simply work. If you unmarked it as a source root however, you will get an error:                                   After all this don't forget to restart. In PyCharm menu select: File --> Invalidate Caches / Restart ...