Magic numbers are one of those bad practices in programming that have somewhat of a weird name. After all, folks generally like magic, so it’s unclear what’s so bad about them. Fortunately, today we’ll talk about what a magic number is and how to remove them from your programs. ...
In this tutorial, you'll explore Python's __pycache__ folder. You'll learn about when and why the interpreter creates these folders, and you'll customize their default behavior. Finally, you'll take a look under the hood of the cached .pyc files.
There’s still a lot of new stuff to discover in this update. New Features# Support for dark mode on iOS 13 – you can now select separate themes for light/dark mode, and Pythonista will switch automatically between them. Switching between themes is also a bit faster now. ...
Here's a fun project attempting to explain what exactly is happening under the hood for some counter-intuitive snippets and lesser-known features in Python.While some of the examples you see below may not be WTFs in the truest sense, but they'll reveal some of the interesting parts of ...
A notable limitation of the Python 3.5 implementation is that it was not possible to use await and yield in the same function body. In Python 3.6 this restriction has been lifted, making it possible to define asynchronous generators: async def ticker(delay, to): """Yield numbers from 0 to...
Open source API testing tools help teams automate functional, load, and security tests, and identify issues early in the development pipeline. Below are some of the top open source tools actively used by security and QA teams today: GoTestWAF GoTestWAF by Wallarm is a powerful open-source ...
>>>importsys>>>classMagicSequence:...def__iter__(self):...# get the python stack frame which is calling this one...frame = sys._getframe(1)...# which instruction index is that frame on...opcode_idx = frame.f_lasti...# what instruction does that index translate to...opcode =...
Distinction 1: Order Doesn't Matter to Python Dictionaries What this means is that, with dictionaries, the order of the pairs doesn’t matter. In fact, if you print a dictionary multiple times, you might get the pairs returned in a different order than you input them. ...
The main change here is your inclusion of acollect()function that you run on import. With this function, you search through all the files in thedata_repos.readersnamespace for any Python modules. If you find a Python module, then you try to import aread()function from that module if yo...
defintegrate_f(a: cython.double, b: cython.double, N: cython.int): s: cython.double=0dx: cython.double= (b - a) / N i: cython.intfori inrange(N): s += f(a + i * dx)returns * dx Pure Python mode Cython is a little easier to make sense of, and can also be processed...