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How do I see a C/C++ source file after preprocessing in Visual Studio?
...hich is sent
to the standard output.
So you can just run:
gcc -E foo.c
If you can't find such an option, you can also just find the C preprocessor on your machine. It's usually called cpp and is probably already in your path. Invoke it like this:
cpp foo.c
If there are headers you n...
What does the “===” operator do in Ruby? [duplicate]
...ourtytwo' # => false
/ell/ === 'Hello' # => true
/ell/ === 'Foobar' # => false
The main usage for the === operator is in case expressions, since
case foo
when bar
baz
when quux
flurb
else
blarf
end
gets translated to something (roughly) like
_temp = foo
if bar === _...
How can I create a Makefile for C projects with SRC, OBJ, and BIN subdirectories?
...d executables instead of stopping at objects, and
the name of the target (foo.o) is not what the rule will actually produce (obj/foo.o).
I suggest the following:
OBJECTS := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.c
$(CC) $(CFLAGS) -c $< -o $@
@...
Is it possible to GROUP BY multiple columns using MySQL?
...
@ypercubeᵀᴹ oops, stupidly I was thinking "group by foo, bar" behaved like "... group by foo union ... group by bar". It would be an unusual case indeed to GROUP BY CONCAT.
– Abram
May 18 '17 at 21:06
...
How can I fill out a Python string with spaces?
...f python 3.6 it's even more convenient with literal string interpolation!
foo = 'foobar'
print(f'{foo:10} is great!')
# foobar is great!
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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...that it can properly query for the matching doc. This is an ObjectId but "foo" is not a valid ObjectId so the cast fails.
This doesn't happen with 41224d776a326fb40f000001 because that string is a valid ObjectId.
One way to resolve this is to add a check prior to your findById call to see if id i...
What is the apply function in Scala?
...will be able to use this object as a function, as well as an object
object Foo {
var y = 5
def apply (x: Int) = x + y
}
Foo (1) // using Foo object in function notation
There are many usage cases when we would want to treat an object as a function. The most common scenario is a factory patt...
How to communicate between iframe and the parent site?
...n send a custom event from iframe to parent window.
iframe:
var data = { foo: 'bar' }
var event = new CustomEvent('myCustomEvent', { detail: data })
window.parent.document.dispatchEvent(event)
parent:
window.document.addEventListener('myCustomEvent', handleEvent, false)
function handleEvent(e) ...
Proper MIME media type for PDF files
...terpretation of 'X-' and 'x-'.)
So it's fair to guess that "application/x-foo" was used before the IANA defined "application/foo". And it still might be used by folks who aren't aware of the IANA token assignment.
As Chris Hanson said MIME types are controlled by the IANA. This is detailed in RFC ...
Remove all whitespace in a string
...
For removing whitespace from beginning and end, use strip.
>> " foo bar ".strip()
"foo bar"
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