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The tilde operator in Python
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edited Apr 23 '12 at 22:55
answered Nov 29 '11 at 3:02
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Convert base64 string to ArrayBuffer
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edited Oct 30 '19 at 11:00
Massimiliano Kraus
3,06344 gold badges1919 silver badges3636 bronze badges
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Create a GUID in Java
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355
Have a look at the UUID class bundled with Java 5 and later.
For example:
If you want a ra...
How do you find the sum of all the numbers in an array in Java?
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In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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How to convert a table to a data frame
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324
I figured it out already:
as.data.frame.matrix(mytable)
does what I need -- apparently, th...
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
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3 Answers
3
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Mocking objects with Moq when constructor has parameters
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34
The last line is giving you a real instance because you are using the new keyword, not mocking ...
Modular multiplicative inverse function in Python
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131
Maybe someone will find this useful (from wikibooks):
def egcd(a, b):
if a == 0:
r...
Else clause on Python while statement
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396
The else clause is only executed when your while condition becomes false. If you break out of...