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Double not (!!) operator in PHP
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Using !! is a habit remaining from programming in C(++). In C doing a cast isn't as easy as in PHP, you can get many different problems, compile warnings, a.s.o. Thus people cast to boll by using !!.
– NikiC
Sep 20 '...
C# 'is' operator performance
...ner loops, I need to test the type of an object to see whether it inherits from a certain interface.
8 Answers
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Programmatically find the number of cores on a machine
Is there a way to determine how many cores a machine has from C/C++ in a platform-independent way? If no such thing exists, what about determining it per-platform (Windows/*nix/Mac)?
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Start an Activity with a parameter
... You may want to make sure b != null before you start grabbing from it
– Andrew
Oct 12 '10 at 15:03
How ca...
How to secure RESTful web services?
... SSL Cert when you contact them on https? Well servers can request a cert from a client so they know the client is who they say they are. Clients generate certs and give them to you over a secure channel (like coming into your office with a USB key - preferably a non-trojaned USB key).
You load t...
How to add global ASP.Net Web Api Filters?
... Web API's is named ApiController) MVC filters and Web API filters inherit from different FilterAttribute classes (both share the same name in this case, but are separate classes which live in their respective namespaces).
Web API global filters are registered through the HttpConfiguration object a...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
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Also, it is preferred to not have code wrap. From a user experience perspective, it's unacceptable for most.
– Justin Bozonier
Sep 18 '08 at 7:00
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Prefer composition over inheritance?
...rs. Inheritance is more rigid as most languages do not allow you to derive from more than one type. So the goose is more or less cooked once you derive from TypeA.
My acid test for the above is:
Does TypeB want to expose the complete interface (all public methods no less) of TypeA such that Typ...
Is it possible to declare git repository as dependency in android gradle?
I want to use master version of my lib from mavencentral.
5 Answers
5
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Converting an int to std::string
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boost::lexical_cast<std::string>(yourint) from boost/lexical_cast.hpp
Work's for everything with std::ostream support, but is not as fast as, for example, itoa
It even appears to be faster than stringstream or scanf:
http://www.boost.org/doc/libs/1_53_0/doc/htm...