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java.lang.UnsupportedClassVersionError: Bad version number in .class file?
I am getting this error when I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the c...
What would cause an algorithm to have O(log log n) complexity?
This earlier question addresses some of the factors that might cause an algorithm to have O(log n) complexity.
2 Answers
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Django rest framework, use different serializers in the same ModelViewSet
...at there is also a get_serializer method which returns an instance of the correct Serializer
class DualSerializerViewSet(viewsets.ModelViewSet):
def get_serializer_class(self):
if self.action == 'list':
return serializers.ListaGruppi
if self.action == 'retrieve':
...
How can I ignore everything under a folder in Mercurial
I am looking for an expression for the .hgignore file, to ignore all files beneath a specified folder.
6 Answers
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Is it correct to use JavaScript Array.sort() method for shuffling?
...c as you say. In particular, I seem to remember that the standard library sorting from either Java or .NET (not sure which) can often detect if you end up with an inconsistent comparison between some elements (e.g. you first claim A < B and B < C, but then C < A).
It also ends up as a more ...
How to check if Location Services are enabled?
... on Android OS. I don't know how to check if Location Services are enabled or not.
22 Answers
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How to prevent long words from breaking my div?
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Soft hyphen
You can tell browsers where to split long words by inserting soft hyphen (&shy;):
averyvery&shy;longword
may be rendered as
averyverylongword
or
averyvery-
longword
A nice regular expression can ensure you won't be inserting them unless neccessary:
/([^\s...
How to split a string in Java
...cial meanings: the backslash \, the caret ^, the dollar sign $, the period or dot ., the vertical bar or pipe symbol |, the question mark ?, the asterisk or star *, the plus sign +, the opening parenthesis (, the closing parenthesis ), and the opening square bracket [, the opening curly brace {, The...
Regular expression for first and last name
For website validation purposes, I need first name and last name validation.
23 Answers
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How do you normalize a file path in Bash?
I want to transform /foo/bar/.. to /foo
22 Answers
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