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How do you implement a class in C? [closed]
...series.
The basic paradigm is something like this:
/* for data structure foo */
FOO *myfoo;
myfoo = foo_create(...);
foo_something(myfoo, ...);
myfoo = foo_append(myfoo, ...);
foo_delete(myfoo);
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Is C++ context-free or context-sensitive?
... Ambiguity is not relevant.
But in any event, like line 21 (i.e. auto b = foo<IsPrime<234799>>::typen<1>();) in the program below, the expressions are not ambiguous at all; they are simply parsed differently depending on context. In the simplest expression of the issue, the syntac...
How to use concerns in Rails 4
...ort::Concern.
Example 2: Handle module dependencies gracefully.
module Foo
def self.included(base)
base.class_eval do
def self.method_injected_by_foo_to_host_klass
...
end
end
end
end
module Bar
def self.included(base)
base.method_injected_by_foo_to_host_kl...
'const int' vs. 'int const' as function parameters in C++ and C
...
C does have const, given: static const char foo[] = "foo"; you better not alter foo.
– James Antill
Oct 2 '08 at 14:21
4
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Get the name of the currently executing method
...
Even better than my first answer you can use __method__:
class Foo
def test_method
__method__
end
end
This returns a symbol – for example, :test_method. To return the method name as a string, call __method__.to_s instead.
Note: This requires Ruby 1.8.7.
...
XPath: How to check if an attribute exists?
...wing XML, how do I write an XPath query to pull nodes where the attribute foo exists?:
3 Answers
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Is JavaScript a pass-by-reference or pass-by-value language?
...ct, and do the assignment at the point where you call the function. E.g., foo = GetNewFoo(); instead of GetNewFoo(foo);
– Tim Goodman
Aug 5 '13 at 15:26
59
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Pragma in define macro
...NGIFY( weak delete_ ## type ## _ = delete_ ## type) )
DEFINE_DELETE_OBJECT(foo);
when put into gcc -E gives
void delete_foo_(int handle); void delete_foo(int handle);
#pragma weak delete_foo_ = delete_foo
;
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Is there a naming convention for MySQL?
...is not always possible. Think about how you would cope with a single table foo_bar that has columns foo_id and another_foo_id both of which reference the foo table foo_id column. You might want to consider how to deal with this. This is a bit of a corner case though!
Point 4 - Similar to Point 3. Y...
Use Mockito to mock some methods but not others
...
According to docs :
Foo mock = mock(Foo.class, CALLS_REAL_METHODS);
// this calls the real implementation of Foo.getSomething()
value = mock.getSomething();
when(mock.getSomething()).thenReturn(fakeValue);
// now fakeValue is returned
value =...