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Is the 'override' keyword just a check for a overridden virtual method?
...tion being implemented is the override ing of a virtual function in the base class.
5 Answers
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Professional jQuery based Combobox control? [closed]
...e any professional Combobox controls (dropdown list with autosuggestion) based on the jQuery library?
22 Answers
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Why not use Double or Float to represent currency?
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Because floats and doubles cannot accurately represent the base 10 multiples that we use for money. This issue isn't just for Java, it's for any programming language that uses base 2 floating-point types.
In base 10, you can write 10.25 as 1025 * 10-2 (an integer times a power of 10...
Redirect From Action Filter Attribute
...ake a public RedirectToAction method on your controller (preferably on its base controller) that simply calls the protected RedirectToAction from System.Web.Mvc.Controller. Adding this method allows for a public call to your RedirectToAction from the filter.
public new RedirectToRouteResult Redire...
How do I match any character across multiple lines in a regular expression?
...onsidered regular expressions, but . matches any char there, same as POSIX based engines.
Another note on matlab and octave: the . matches any char by default (demo): str = "abcde\n fghij<Foobar>"; expression = '(.*)<Foobar>*'; [tokens,matches] = regexp(str,expression,'tokens','matc...
How can I view the source code for a function?
...lattice
> chol2inv
standardGeneric for "chol2inv" defined from package "base"
function (x, ...)
standardGeneric("chol2inv")
<bytecode: 0x000000000eafd790>
<environment: 0x000000000eb06f10>
Methods may be defined for arguments: x
Use showMethods("chol2inv") for currently available ...
What is the performance cost of having a virtual method in a C++ class?
...ing as virtual. If all functions are virtual everything can be replaced by base classes - public, protected, private - everything becomes fair game. By accident or intention subclasses could then change the behavior of functions that then cause problems when used in the base implementation.
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Can a class member function template be virtual?
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@ddriver: 1. If the compilers sees void f(concr_base& cb, virt_base& vb) { cb.f(); vb.f(); }, then it "knows" which function is invoked at the point cb.f() called, and does not know that for vb.f(). The latter has to be found out at runtime, by the runtime system. ...
Rails auto-assigning id that already exists
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I did this which solved the issue for me.
ActiveRecord::Base.connection.tables.each do |t|
ActiveRecord::Base.connection.reset_pk_sequence!(t)
end
I found the reset_pk_sequence! from this thread. http://www.ruby-forum.com/topic/64428
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How to manage local vs production settings in Django?
...ng in development and production. And every developer has a different code base.I call anti-pattern here.
– pydanny
Jan 31 '13 at 16:25
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