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Algorithm to find Largest prime factor of a number
... very fast in general.
The best known method for factoring numbers up to 100 digits long is the Quadratic sieve. As a bonus, part of the algorithm is easily done with parallel processing.
Yet another algorithm I've heard of is Pollard's Rho algorithm. It's not as efficient as the Quadratic Sieve i...
'size_t' vs 'container::size_type'
...
108
The standard containers define size_type as a typedef to Allocator::size_type (Allocator is a t...
Add column with number of days between dates in DataFrame pandas
...'] - df['B']
In [14]: df
Out[14]:
A B C
one 2014-01-01 2014-02-28 -58 days
two 2014-02-03 2014-03-01 -26 days
Note: ensure you're using a new of pandas (e.g. 0.13.1), this may not work in older versions.
...
difference between each.with_index and each_with_index in Ruby?
...index|
puts "#{index}: #{value}"
end
Outputs:
2: foo
3: bar
4: baz
0: foo
1: bar
2: baz
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How do I set the default font size in Vim?
...
202
For the first one remove the spaces. Whitespace matters for the set command.
set guifont=Monac...
Detecting if an NSString contains…?
...geOfString:@"is " options:NSCaseInsensitiveSearch];
if(isRange.location == 0) {
//found it...
} else {
NSRange isSpacedRange = [someString rangeOfString:@" is " options:NSCaseInsensitiveSearch];
if(isSpacedRange.location != NSNotFound) {
//found it...
}
}
You can easily add this ...
Deleting elements from std::set while iterating
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180
This is implementation dependent:
Standard 23.1.2.8:
The insert members shall not affect th...
How to make unicode string with python3
... |
edited Mar 7 '19 at 10:20
IanS
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answered Jul 2...