When working with text or CSV data in Python, you may find yourself wanting to "extract only email addresses," "verify the ...

Using strings with contents that are supplied by users can be fraught with peril; SQL injection is a well-known technique for attacking applications that stems from that, for example. Generally, ...

It it now time to look at grouping bits together to form bytes. Python is unusual in that it can represent a bit pattern of arbitrary length using its bignum data type. Most other languages have to ...