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Difference between len() and .__len__()?
Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ?
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XPath: select text node
...re NovatchevDimitre Novatchev
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How to set a single, main title above all the subplots with Pyplot?
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Javascript replace with reference to matched group?
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
When creating a table in SQLite3, I get confused when confronted with all the possible datatypes which imply similar contents, so could anyone tell me the difference between the following data-types?
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How do you detect Credit card type based on number?
...a card numbers start with a 4.
MasterCard: ^5[1-5][0-9]{5,}|222[1-9][0-9]{3,}|22[3-9][0-9]{4,}|2[3-6][0-9]{5,}|27[01][0-9]{4,}|2720[0-9]{3,}$ Before 2016, MasterCard numbers start with the numbers 51 through 55, but this will only detect MasterCard credit cards; there are other cards issued using t...
MySQL Select Query - Get only first 10 characters of a value
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How do you git show untracked files that do not exist in .gitignore
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add a string prefix to each value in a string column using Pandas
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df['col'] = 'str' + df['col'].astype(str)
Example:
>>> df = pd.DataFrame({'col':['a...