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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...
What is the difference between a deep copy and a shallow copy?
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S.LottS.Lott
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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...
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...
Markdown: continue numbered list
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Levi Fuller
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answered Aug 6 '13 at 19:45
MacmadeMacmade
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Pandas convert dataframe to array of tuples
...a_2']]
tuples = [tuple(x) for x in subset.to_numpy()]
for pandas < 0.24 use
tuples = [tuple(x) for x in subset.values]
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When should TaskCompletionSource be used?
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I mostly use it when only an event based API is available (for example Windows Phone 8 sockets):...