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Checking if a double (or float) is NaN in C++
...ool isnan(T t);
template <class T> bool isnormal(T t);
If you have time then have a look at whole Math toolkit from Boost, it has many useful tools and is growing quickly.
Also when dealing with floating and non-floating points it might be a good idea to look at the Numeric Conversions.
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Declaring an enum within a class
...rue or false? If you mix non-typesafe enumerators, you're gonna have a bad time.
– Victor K
Jun 14 '13 at 12:44
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Spring Test & Security: How to mock authentication?
...eaching for answer I couldn't find any to be easy and flexible at the same time, then I found the Spring Security Reference and I realized there are near to perfect solutions. AOP solutions often are the greatest ones for testing, and Spring provides it with @WithMockUser, @WithUserDetails and @With...
How to git-svn clone the last n revisions from a Subversion repository?
...ally found the hassle worth it in tracking all branches. It takes too much time to clone and svn and git don't work together as good as I would like. I tend to create patch files and apply them on the git clone of another svn branch.
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Section vs Article HTML5
I have a page made up of various "sections" like videos, a newsfeed etc.. I am a bit confused how to represent these with HTML5. Currently I have them as HTML5 <section> s, but on further inspection it looks they the more correct tag would be <article> . Could anyone shed some light on...
Is there a way for multiple processes to share a listening socket?
In socket programming, you create a listening socket and then for each client that connects, you get a normal stream socket that you can use to handle the client's request. The OS manages the queue of incoming connections behind the scenes.
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Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
...The only work around I've found is to remove the application manually. Sometimes, I even have to do it through the phone's UI because the EVO is so temperamental.
– jww
Feb 10 '14 at 4:46
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Format numbers in django templates
I'm trying to format numbers. Examples:
13 Answers
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
There are at least three popular libraries for accessing and manipulating fields of records. The ones I know of are: data-accessor, fclabels and lenses.
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