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Guaranteed lifetime of temporary in C++?
... {
if (m_buffer.size() != 0)
{
size_t l = std::char_traits<C>::length(get());
m_str.assign(get(), l);
m_buffer.resize(0);
}
}
void abort()
{ m_buffer.resize(0); }
};
template <class C>
inline _StringBuffer&...
What characters are forbidden in Windows and Linux directory names?
...
A “comprehensive guide” of forbidden filename characters is not going to work on Windows because it reserves filenames as well as characters. Yes, characters like
* " ? and others are forbidden, but there are a infinite number of names composed only of valid characters t...
Correct format specifier to print pointer or address?
...to void. The value of the pointer is
converted to a sequence of printing characters, in an implementation-defined
manner.
(In C11 — ISO/IEC 9899:2011 — the information is in §7.21.6.1 ¶8.)
On some platforms, that will include a leading 0x and on others it won't, and the letters could be...
How to store a list in a column of a database table
...eady store bunches of lists in database columns every day. They're called "char" and "varchar". Of course in Postgres, they're also called text. What the 1NF really says is that you shouldn't ever want to split up the information in any field into smaller fields, and if you do that, you've dun goof...
Java code To convert byte to Hexadecimal
...
therefore: 1111 = 0xF in hex.
In Java we can do this all in one shot:
Character.forDigit((bytes[0] >> 4) & 0xF, 16);
The forDigit function just maps the number you pass it onto the set of hexadecimal numbers 0-F.
Step 3: Next we need to isolate the lower order bits. Since the bits...
Types in MySQL: BigInt(20) vs Int(20)
... users to see INT(20) and assume it's a size limit, something analogous to CHAR(20). This is not the case.
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How do I install a custom font on an HTML site
... answered Dec 27 '17 at 23:56
Richard StitzRichard Stitz
6111 silver badge44 bronze badges
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Python function overloading
...mplement in Python, in so many different ways, but I would go with:
class Character(object):
# your character __init__ and other methods go here
def add_bullet(self, sprite=default, start=default,
direction=default, speed=default, accel=default,
curve=d...
How to get error message when ifstream open fails
...< "opened " << fileName << std::endl;
}
int main(int argc, char* argv[]) {
try {
process(argv[1]);
} catch (const std::system_error& e) {
std::clog << e.what() << " (" << e.code() << ")" << std::endl;
}
return 0;
}
E...
Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
....6.1:3:
Values stored in unsigned bit-fields and objects of type unsigned char shall be represented using a pure binary notation.
C99 6.2.6.2:2:
If the sign bit is one, the value shall be modified in one of the following ways:
— the corresponding value with sign bit 0 is negated (sign and magni...