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When should I use double instead of decimal?
...ously decimals) can't be truly represented in floating point form
rounding errors occur, just as if you were doing the calculation by hand. It depends greatly on the context (how many operations you're performing) whether these errors are significant enough to warrant much thought however.
In all...
What's the most appropriate HTTP status code for an “item not found” error page
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Getting overly clever with obscure-er HTTP error codes is a bad idea. Browsers sometimes react in unhelpful ways that obfuscate the situation. Stick with 404.
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In Python how should I test if a variable is None, True or False
...simulate(open("myfile"))
except SimulationException as sim_exc:
print "error parsing stream", sim_exc
else:
if result:
print "result pass"
else:
print "result fail"
# execution continues from here, regardless of exception or not
And now you can have a much richer type ...
keytool error Keystore was tampered with, or password was incorrect
I am getting following error while generating certificates on my local machine.
17 Answers
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SVN Error - Not a working copy
...e. rm -rf content; svn checkout content).
If you get a not a working copy error, it means that Subversion cannot find a proper .svn directory in there. Check to see if there is an .svn directory in contents
The ideal solution is a fresh checkout, if possible.
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“Use of undeclared type” in Swift, even though type is internal, and exists in same module
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For me, I encountered this error when my test target did not have some swift files that my app build target had in compile sources. It was very confusing because the 'undeclared type' was being used in so many other places with no problem, and the er...
How can I wait for set of asynchronous callback functions?
...sing
// you want on it right here
}
});
}
Note: error handling is important here (not shown because it's specific to how you're making your ajax calls). You will want to think about how you're going to handle the case when one ajax call never completes, either with an err...
How to change app name per Gradle build type
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Got an error when building this way. Execution failed for task ':app:mergeDebugResources'.. Duplicate resources: res/values/strings.xml:string/app_name
– user2010496
Mar 29 '16 at 16:34
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PHP Fatal error: Using $this when not in object context
...theless. $this is not available in class context. The OP will get the same error from the example above.
– Gordon
Feb 28 '10 at 12:20
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Error when trying to obtain a certificate: The specified item could not be found in the keychain
...thout triggering the The specified item could not be found in the keychain error.
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