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Python speed testing - Time Difference - milliseconds
...clock units"
>>> start = time.time(); sum([each**8.3 for each in range(1,100000)]) ; print (time.time() - start)
3.4001404476250935e+45
0.0637760162354
>>> start = time.clock(); sum([each**8.3 for each in range(1,100000)]) ; print (time.clock() - start)
3.4001404476250935e+45
0.05...
How can I find the number of days between two Date objects in Ruby?
...
How about this?
(beginDate...endDate).count
The Range is a set of unique serials.
And ... is an exclusive Range literal.
So beginDate..(endDate - 1) is same. Except is not.
In case when beginDate equals endDate, first element will be excluded because of uniqueness and .....
How do you see recent SVN log entries?
...ption. The following are some practical examples using this option to show ranges of revisions:
To list everything in ascending order:
svn log -r 1:HEAD
To list everything in descending order:
svn log -r HEAD:1
To list everything from the thirteenth to the base of the currently checked-out re...
How do DATETIME values work in SQLite?
...mat
Real number
High precision regarding fraction seconds
Longest time range
Integer number
Lowest storage space
Quick operations
Small time range
Possible year 2038 problem
If you need to compare different types or export to an external application, you're free to use SQLite's own datetim...
Combining two Series into a DataFrame in pandas
...s:
Create two series here
import pandas as pd
series_1 = pd.Series(list(range(10)))
series_2 = pd.Series(list(range(20,30)))
Create an empty data frame with just desired column names
df = pd.DataFrame(columns = ['Column_name#1', 'Column_name#1'])
Put series value inside data frame using map...
Simple way to encode a string according to a password?
...port base64
def encode(key, string):
encoded_chars = []
for i in xrange(len(string)):
key_c = key[i % len(key)]
encoded_c = chr(ord(string[i]) + ord(key_c) % 256)
encoded_chars.append(encoded_c)
encoded_string = "".join(encoded_chars)
return base64.urlsafe_b6...
How to merge lists into a list of tuples?
...1, 2, 3, 4]
list_b = [5, 6, 7, 8]
list_c=[(list_a[i],list_b[i]) for i in range(0,len(list_a))]
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Call int() function on every list element?
...our tests were warped in favor of listcomps.
– ShadowRanger
Nov 8 '16 at 1:29
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Best way to repeat a character in C#
...tic string Repeat(this string s, int n)
{
return new String(Enumerable.Range(0, n).SelectMany(x => s).ToArray());
}
public static string Repeat(this char c, int n)
{
return new String(c, n);
}
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Is the order of iterating through std::map known (and guaranteed by the standard)?
...
@jupp0r: Structuring a range as a binary search tree is a particular method to implement binary search through the range. "Binary search" is an abstract concept rather than a particular implementation. It doesn't matter whether you jump through off...