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How does zip(*[iter(s)]*n) work in Python?
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iter() is an iterator over a sequence. [x] * n produces a list containing n quantity of x, i.e...
Format decimal for percentage values?
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answered Nov 24 '09 at 15:56
Michael HarenMichael Haren
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Is there any way to prevent input type=“number” getting negative values?
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16 Answers
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Ruby max integer
...ize
machine_bits = machine_bytes * 8
machine_max_signed = 2**(machine_bits-1) - 1
machine_max_unsigned = 2**machine_bits - 1
If you are looking for the size of Fixnum objects (integers small enough to store in a single machine word), you can call 0.size to get the number of bytes. I would guess ...
Difference between var_dump,var_export & print_r
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var_dump is for debugging purposes. var_dump always prints the result.
// var_dump(array('', ...
What's the difference between echo, print, and print_r in PHP?
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How to check if smtp is working from commandline (Linux) [closed]
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Syntax for establishing a raw network connection using telnet is this:
telnet {domain_name} {...
How do I interpret precision and scale of a number in a database?
...efers to the maximum number of digits that are present in the number.
ie 1234567.89 has a precision of 9
Numeric scale refers to the maximum number of decimal places
ie 123456.789 has a scale of 3
Thus the maximum allowed value for decimal(5,2) is 999.99
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What is more efficient? Using pow to square or just multiply it with itself?
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std::cout << elapsed << " "; \
\
return x; \
}
TEST(1, b)
TEST(2, b*b)
TEST(3, b*b*b)
TEST(4, b*b*b*b)
TEST(5, b*b*b*b*b)
template <int exponent>
double testpow(double base, long loops)
{
double x = 0.0;
boost::posix_time::ptime startTime = now();
for (long...
Can PostgreSQL index array columns?
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Yes you can index an array, but you have to use the array operators and the GIN-index type.
E...