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What is the apply function in Scala?
...alk about "applying function f to its argument x".
In mathematics and computer science, Apply is a function that applies
functions to arguments.
Wikipedia
apply serves the purpose of closing the gap between Object-Oriented and Functional paradigms in Scala. Every function in Scala can be...
How to throw a C++ exception
...
Simple:
#include <stdexcept>
int compare( int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you can t...
Backing beans (@ManagedBean) or CDI Beans (@Named)?
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@MattBall Matt after you years, can you comment on this migration?
– Koray Tugay
May 6 '13 at 10:11
5
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Unignore subdirectories of ignored directories in Git
...tes the pattern; any matching file
excluded by a previous pattern will become included again. It is not
possible to re-include a file if a parent directory of that file is
excluded. Git doesn’t list excluded directories for performance
reasons, so any patterns on contained files have no ef...
Difference between class and type
...ype, and classes are a kind of a type.
More info here: http://docs.oracle.com/javase/specs/jls/se8/html/jls-4.html
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Name of this month (Date.today.month as name)
I'm using Date.today.month to display the month number. Is there a command to get the month name, or do I need to make a case to get it?
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Is is possible to check if an object is already attached to a data context in Entity Framework?
...ey on the context makes sure it's nice and generic and will work even with composite keys with no further coding (because EF can already do that for us!).
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Find XOR of all numbers in a given range
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NHibernate ISession Flush: Where and when to use it, and why?
...oughly confused is the use of session.Flush ,in conjunction with session.Commit , and session.Close .
4 Answers
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