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Wrap a delegate in an IEqualityComparer

...f your ignore problems with defining a correct hashcode), but I'd like to know if there is an out-of-the-box solution. 13 A...
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Difference between Role and GrantedAuthority in Spring Security

...s added, a profile is assigned to it (having all permissible permissions). Now when ever user try to perform some action, permission/role for that action is checked against user grantedAuthorities. Also the defaultn RoleVoter uses prefix ROLE_, so any authority starting with ROLE_ is considered as ...
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Creating a singleton in Python

... http://googletesting.blogspot.com/2008/08/root-cause-of-singletons.html: Now, there is one kind of Singleton which is OK. That is a singleton where all of the reachable objects are immutable. If all objects are immutable than Singleton has no global state, as everything is constant. But it is so e...
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python exception message capturing

...ogger.error(e, exc_info=True) ... exception handling ... This is now the old way (though still works): import sys, traceback def catchEverything(): try: ... some operation(s) ... except: exc_type, exc_value, exc_traceback = sys.exc_info() ... exception han...
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How do I create some kind of table of content in GitHub wiki?

...here is one catch in creating links. They have to be lower case. I didn't know that and was wondering why my TOC isn't working. I used #Headers instead of #headers. I thought it was a typo in your answer. Perhaps you can add to your answer this information. – t3chb0t ...
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What is a higher kinded type in Scala?

... Adriaan's "Type Constructor Polymorphism" article now at adriaanm.github.com/research/2010/10/06/… – Steven Shaw Jun 6 '12 at 7:39 ...
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Is it possible to print a variable's type in standard C++?

...(and good) answer is to use typeid(a).name(), where a is a variable name. Now in C++11 we have decltype(x), which can turn an expression into a type. And decltype() comes with its own set of very interesting rules. For example decltype(a) and decltype((a)) will generally be different types (and f...
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UIWebView open links in Safari

... @JedGrant swift version now on stackoverflow.com/questions/2532453/… – Carl Sharman Jun 4 '15 at 16:04 2 ...
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How do I diff the same file between two different commits on the same branch?

...>...] For instance, to see the difference for a file "main.c" between now and two commits back, here are three equivalent commands: $ git diff HEAD^^ HEAD main.c $ git diff HEAD^^..HEAD -- main.c $ git diff HEAD~2 HEAD -- main.c ...
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What does [:] mean?

I'm analyzing some Python code and I don't know what 6 Answers 6 ...