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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...
View all TODO items in Visual Studio using GhostDoc
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How do I do a 'git status' so it doesn't display untracked files without using .gitignore?
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How do I parse JSON with Objective-C?
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edited May 18 '19 at 3:53
Cœur
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Merge branch with trunk
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edited May 12 '16 at 16:23
Dave Jarvis
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Why does one hot encoding improve machine learning performance?
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jQuery: select all elements of a given class, except for a particular Id
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edited Oct 25 '16 at 17:37
JonH
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answered M...