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How do I interpret precision and scale of a number in a database?
I have the following column specified in a database: decimal(5,2)
3 Answers
3
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Is it better to use std::memcpy() or std::copy() in terms to performance?
...ner was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternati...
Round to 5 (or other number) in Python
... function in Python, but this works for me:
Python 2
def myround(x, base=5):
return int(base * round(float(x)/base))
Python3
def myround(x, base=5):
return base * round(x/base)
It is easy to see why the above works. You want to make sure that your number divided by 5 is an integer, c...
Multiplication on command line terminal
...s built-in Arithmetic Expansion $(( )) to do some simple maths
$ echo "$((5 * 5))"
25
Check the Shell Arithmetic section in the Bash Reference Manual for a complete list of operators.
For sake of completeness, as other pointed out, if you need arbitrary precision, bc or dc would be better.
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Finding all possible combinations of numbers to reach a given sum
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250
This problem can be solved with a recursive combinations of all possible sums filtering out tho...
Type of conditional expression cannot be determined because there is no implicit conversion between
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355
The spec (§7.14) says that for conditional expression b ? x : y, there are three possibilities...
How do I install ASP.NET MVC 5 in Visual Studio 2012?
Is there a way to install ASP.NET MVC 5 in Visual Studio 2012?
11 Answers
11
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Appropriate datatype for holding percent values?
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5 Answers
5
Active
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How to iterate for loop in reverse order in swift?
...ge in reverse order, they can be used as below:
for index in stride(from: 5, to: 1, by: -1) {
print(index)
}
//prints 5, 4, 3, 2
for index in stride(from: 5, through: 1, by: -1) {
print(index)
}
//prints 5, 4, 3, 2, 1
Note that neither of those is a Range member function. They are global...
Shuffle two list at once with same order
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answered Apr 25 '14 at 9:45
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