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Is “inline” without “static” or “extern” ever useful in C99?
...swered Jun 10 '11 at 22:57
Fred FooFred Foo
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How do function pointers in C work?
...\xc3 <- This swaps the values of a and b";
Compiling with gcc -c -m32 foo.c and disassembling with objdump -D -rwC -Mintel, we can get the assembly, and find out that this code violates the ABI by clobbering EBX (a call-preserved register) and is generally inefficient.
00000000 <swap>:
...
Best Practices: Salting & peppering passwords?
...t harder than people realize, and it's quite easy to shoot yourself in the foot. For 99.9% of the users out there, raw bcrypt is more than sufficient for all but the simplest passwords...
– ircmaxell
Jun 4 '13 at 14:56
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Is null reference possible?
... you have another file user.cpp with the code
#include "converter.h"
void foo() {
int& nullRef = toReference(nullptr);
cout << nullRef; //crash happens here
}
the compiler does not know that toReference() will dereference the passed pointer, and assume that it returns a valid ...
Why not use tables for layout in HTML? [closed]
...t;h1>Some Text</h1> and then in their css: h1 { background-image('foo.jpg'); text-indent:-3000px }? This is the correct way of doing it because you're retaining maximum semantic information in the style-less html. Or maybe I misunderstood you.
– Karan
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How to export revision history from mercurial or git to cvs?
...ort depends on cvs Initialized empty Git repository in /Users/gus/projects/foo/foobar/.git/ Can't exec "cvsps": No such file or directory at /Applications/Xcode.app/Contents/Developer/usr/libexec/git-core/git-cvsimport line 777. Could not start cvsps: No such file or directory git cvsimport: fatal: ...
What is polymorphism, what is it for, and how is it used?
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Polyp is short for polypo(u)s. And pous is foot in greek. ;-)
– Dirk
Oct 12 '16 at 14:21
2
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Catching an exception while using a Python 'with' statement
...s from the open call vs the working code you could do:
try:
f = open('foo.txt')
except IOError:
print('error')
else:
with f:
print f.readlines()
share
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improve this answer
...
Asserting successive calls to a mock method
.... Each function call receives a tuple of (args, kwargs), so to check that "foo(123)" was called correctly, you need to "assert mock.call_args == ((123,), {})", which is a mouthful compared to "call(123)"
– Jonathan Hartley
Jan 25 '16 at 20:52
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Please explain the exec() function and its family
...swered Nov 17 '10 at 13:46
Fred FooFred Foo
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