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Why prefer two's complement over sign-and-magnitude for signed numbers?
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Private module methods in Ruby
...class_method, which arguably expresses more intent.
module Foo
def self.included(base)
base.instance_eval do
def method_name
# ...
end
private_class_method :method_name
end
end
end
For the code in the question:
module Thing
def self.pub; puts "Public metho...
What do *args and **kwargs mean? [duplicate]
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Unresolved external symbol in object files
...your case, the definition cannot be found. The issue could be that you are including a header file, which brings in some function declarations, but you either:
do not define the functions in your cpp file (if you wrote this code yourself)
do not include the lib/dll file that contains the definitio...
Determine whether an array contains a value [duplicate]
...s -1 if array does not contain value.
See also How do I check if an array includes an object in JavaScript?
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How to combine class and ID in CSS selector?
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Pipe to/from the clipboard in Bash script
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Variable number of arguments in C++?
...and simpler way. Technically to use variable number of arguments in C you include stdarg.h. From that you'll get the va_list type as well as three functions that operate on it called va_start(), va_arg() and va_end().
#include<stdarg.h>
int maxof(int n_args, ...)
{
va_list ap;
va_s...