Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Working with numbers stored as strings is a common task in Python programming. Whether you’re parsing user input, reading data from a file, or working with APIs, you’ll often need to transform numeric ...

Python-based IPv4 and subnet calculator that allows users to convert IPv4 addresses between decimal and binary formats, validate and process subnet masks in both CIDR and decimal notation, convert ...

「四舍五入」是小学就学过的数学知识，也是日常计算中经常会用到的处理方法。 然而让人没想到的是，一个简单的四舍五入操作，在Python里居然这么难搞，网上还一堆错误的教程。 来看这个例子，有一个变量a为1.135，现在希望把它保留2位小数，要怎么做？

The Python standard library ipaddress also suffers from the critical IP address validation vulnerability identical to the flaw that was reported in the "netmask" library earlier this year. The ...

This project contains Python code that converts binary numbers entered by the user into decimal base, and decimal numbers into binary base. A small script which generates decimal/binary conversion ...

Over the last month, Google has announced a number of advancements to how they will be measuring user experience through key speed and performance metrics. Coincidentally, I have been working on ...