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Do you leave parentheses in or out in Ruby? [closed]
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Bad Wolf
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answered Dec 4 '08 at 23:51
Jason NavarreteJason N...
What is the relationship between Looper, Handler and MessageQueue in Android?
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Ted HoppTed Hopp
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What are best practices for validating email addresses on iOS 2.0
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The answer to Using a regular expression to validate an email address explains in great detail t...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...es in call to 'print'” is a new error message that was added in Python 3.4.2 primarily to help users that are trying to follow a Python 2 tutorial while running Python 3.
In Python 3, printing values changed from being a distinct statement to being an ordinary function call, so it now needs paren...
Enterprise Library Unity vs Other IoC Containers [closed]
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I am preparing a presentation for a usergroup. As such I just went through a bunch of them. Nam...
Make an Installation program for C# applications and include .NET Framework installer into the setup
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4 Answers
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Ruby, remove last N characters from a string?
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Ruby 2.5+
As of Ruby 2.5 you can use delete_suffix or delete_suffix! to achieve this in a fast...
Twitter bootstrap dropdown goes outside the screen
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edited Sep 9 '16 at 3:54
reformed
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answered De...
Storing SHA1 hash values in MySQL
...lso wouldn’t store the value the SHA1 is returning. Because it uses just 4 bit per character and thus would need 160/4 = 40 characters. But if you use 8 bit per character, you would only need a 160/8 = 20 character long field.
So I recommend you to use BINARY(20) and the UNHEX function to convert...
Finding all possible combinations of numbers to reach a given sum
...target, partial + [n])
if __name__ == "__main__":
subset_sum([3,9,8,4,5,7,10],15)
#Outputs:
#sum([3, 8, 4])=15
#sum([3, 5, 7])=15
#sum([8, 7])=15
#sum([5, 10])=15
This type of algorithms are very well explained in the following Standford's Abstract Programming lecture -...