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What does the (unary) * operator do in this Ruby code?
...od arguments in a method definition. In that case, it does not expand, but combine:
def method2(*args) # args will hold Array of all arguments
end
Some more detailed information here.
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Why java classes do not inherit annotations from implemented interfaces?
...if the typo wasn't there), I'd expect a The field value is ambiguous.-like compiler error just like with two interfaces declaring the same constant with different values. I know that this is not a field, but annotation values get all resolved at compile time, don't they? The feature we're missing he...
How to test a confirm dialog with Cucumber?
...-ekins solution below, from what Google tells me, seems to be more forward-compatible, though I can't confirm just yet (I'm stuck on Capybara 0.3.9).
– carpeliam
Apr 6 '11 at 17:34
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How do I enable C++11 in gcc?
...from http://hpc.sourceforge.net on Mac OSX Mountain Lion. I am trying to compile a C++ program which uses the to_string function in <string> . I need to use the flag -std=c++11 every time:
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Sending Arguments To Background Worker?
... I want to sent an int parameter to a background worker, how can this be accomplished?
8 Answers
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Draw Circle using css alone [duplicate]
... answer. It is reasonable to drop support for it, as according to caniuse.com/usage-table, IE 8 currently has a 0.18% share of usage, and most modern websites have done so. The border-radius property is now supported pretty much across the board (caniuse.com/#search=border-radius), so should be th...
How to run SQL script in MySQL?
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If you’re at the MySQL command line mysql> you have to declare the SQL file as source.
mysql> source \home\user\Desktop\test.sql;
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How do I fix “Failed to sync vcpu reg” error?
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Ruby max integer
...r the machine's size, i.e. 64- or 32-bit, I found this trick at ruby-forum.com:
machine_bytes = ['foo'].pack('p').size
machine_bits = machine_bytes * 8
machine_max_signed = 2**(machine_bits-1) - 1
machine_max_unsigned = 2**machine_bits - 1
If you are looking for the size of Fixnum objects (inte...
How do I “source” something in my .vimrc file?
...file is 'executing' it. Essentially, each line of the file is considered a command. Sourcing it is the same as typing each command in order. You source with the command :source (usually shortened to :so).
So if you source myStuff.vim
:so myStuff.vim
and if myStuff.vim contained these lines
set ...