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How to check if a float value is a whole number
...ke into account that in Python 2, 1/3 is 0 (floor division for integer operands!), and that floating point arithmetic can be imprecise (a float is an approximation using binary fractions, not a precise real number). But adjusting your loop a little this gives:
>>> for n in range(12000, -1,...
Is .NET Remoting really deprecated?
...at is. I haven't seen any official word that Remoting is being deprecated, and it seems to me there are certainly scenarios where Remoting makes more sense than WCF. None of the Remoting-related objects or methods have been deprecated, even in version 4.0 of the framework. It is also my understandin...
How to make a new List in Java
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Note that ArrayList is not the only kind of List -- and, regarding the question, HashSet is not the only kind of Set.
– slim
Feb 11 '13 at 14:25
17
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How to correctly use the extern keyword in C
...keyword, the function / variable is assumed to be available somewhere else and the resolving is deferred to the linker.
There's a difference between "extern" on functions and on variables: on variables it doesn't instantiate the variable itself, i.e. doesn't allocate any memory. This needs to be do...
Traverse a list in reverse order in Python
So I can start from len(collection) and end in collection[0] .
26 Answers
26
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Static variables in member functions
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Since class A is a non-template class and A::foo() is a non-template function. There will be only one copy of static int i inside the program.
Any instance of A object will affect the same i and lifetime of i will remain through out the program. To add an exampl...
How to convert Strings to and from UTF8 byte arrays in Java
In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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How to Sort Multi-dimensional Array by Value?
...t($myArray, function($a, $b) {
return $a['order'] - $b['order'];
});
And finally with PHP 7 you can use the spaceship operator:
usort($myArray, function($a, $b) {
return $a['order'] <=> $b['order'];
});
To extend this to multi-dimensional sorting, reference the second/third sortin...
Visual Studio 2013 IntelliSense stops working for ASP.NET MVC5 Controllers
...was 982 KB in size. Deleted it. Closed the solution. Reopened the solution and a new ProjectName.v12.suo got created. Intellisense is back again but this new .suo file is only 500 KB in size now. Really interesting. Maybe Microsoft should fix this bad behaviour? Somehow it causes VS to lose Intellis...
How to effectively work with multiple files in Vim
I've started using Vim to develop Perl scripts and am starting to find it very powerful.
28 Answers
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