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Why is the order in dictionaries and sets arbitrary?
...and lets assume the table size is 8 slots. In Python 2.7, hash('foo') is -4177197833195190597, hash('bar') is 327024216814240868. Modulo 8, that means these two keys are slotted in slots 3 and 4 then:
>>> hash('foo')
-4177197833195190597
>>> hash('foo') % 8
3
>>> hash('ba...
Extracting the last n characters from a ruby string
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Here you have a one liner, you can put a number greater than the size of the string:
"123".sp...
Best way to test if a row exists in a MySQL table
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How do I find the duplicates in a list and create another list with them?
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How to check for a valid Base64 encoded string
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What is the maximum size of a web browser's cookie's key?
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The 4K limit you read about is for the entire cookie, including name, value, expiry date etc. If...
How to list the size of each file and directory and sort by descending size in Bash?
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Using switch statement with a range of value in each case?
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How to create an array containing 1…N
...r any alternatives to the below for creating a JavaScript array containing 1 through to N where N is only known at runtime.
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How do I compare two strings in Perl?
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See perldoc perlop. Use lt, gt, eq, ne, and cmp as appropriate for string comparisons:
Binary...