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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...t;unsigned Cur, unsigned Goal>
struct adder{
static unsigned const sub_goal = (Cur + Goal) / 2;
static unsigned const tmp = adder<Cur, sub_goal>::value;
static unsigned const value = tmp + adder<sub_goal+1, Goal>::value;
};
template<unsigned Goal>
struct adder<Goal, Go...
Pimpl idiom vs Pure virtual class interface
...s to the impl
private:
void * impl;
};
// library
A::A()
: impl(new A_impl())
{}
All you need to do now is keep your public interface free of data members other than the pointer to the implementation object, and you're safe from this class of errors.
Edit: I should maybe add that the only r...
Is there any way to not return something using CoffeeScript?
...
Just something fun(ctional)
suppressed = _.compose Function.prototype, -> 'do your stuff'
Function.prototype itself is a function that always return nothing. You can use compose to pipe your return value into this blackhole and the composed function will never ...
Add a space (“ ”) after an element using :after
... opacity of the pseudo-element to be zero, eg:
element:before{
content: "_";
opacity: 0;
}
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Use Mockito to mock some methods but not others
...ementations
Another possibility may be to use org.mockito.Mockito.CALLS_REAL_METHODS, such as:
Stock MOCK_STOCK = Mockito.mock( Stock.class, CALLS_REAL_METHODS );
This delegates unstubbed calls to real implementations.
However, with your example, I believe it will still fail, since the imp...
How do I ignore files in Subversion?
...an error message saying svn: E205007: None of the environment variables SVN_EDITOR, VISUAL or EDITOR are set, and no 'editor-cmd' run-time configuration option was found instead of getting an editor opened. So just specify --editor-cmd nano like this svn propedit svn:ignore . --editor-cmd nano
...
How to find out element position in slice?
...check if container has an element you can just if element in collection: do_something()
– OCyril
Nov 29 '11 at 18:26
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When NOT to use Cassandra?
..., a Cassandra clone called Scylla (see https://en.wikipedia.org/wiki/Scylla_(database)) was released. Scylla is an open-source re-implementation of Cassandra in C++, which claims to have significantly higher throughput and lower latencies than the original Java Cassandra, while being mostly compatib...
Example for sync.WaitGroup correct?
...fmt.Println("Done")
}
As a playground: http://play.golang.org/p/WZcprjpHa_
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WCF timeout exception detailed investigation
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from: http://www.codeproject.com/KB/WCF/WCF_Operation_Timeout_.aspx
To avoid this timeout error, we need
to configure the OperationTimeout
property for Proxy in the WCF client
code. This configuration is something
new unlike other configurations such
as ...