XKlondike

23 Sep

Python

Using types.MappingProxyType to create immutable mappings

types.MappingProxyType is a wrapper object that allows you to create an immutable mapping based on an existing dictionary. It provides …

by Xor0x

23 Sep

Python

How to implement a queue in Python

Queues are a data structure used to store collections of elements in a first-in, first-out (FIFO) order. Just like in …

by Xor0x

23 Sep

Python

What does the takewhile() function from the itertools module do?

The takewhile() function from the itertools module creates an iterator that returns elements from an iterable as long as the …

by Xor0x

23 Sep

Python

Starmap()

`starmap()` accepts another function and an iterable object as arguments, where the elements of the iterable are tuples. The passed …

by Xor0x

20 Sep

Python

Peewee is a lightweight ORM (Object-Relational Mapping) for Python

Peewee is a compact and easy-to-use ORM library for working with databases. It supports SQLite, MySQL, and PostgreSQL, providing a …

by Xor0x

20 Sep

Python

DABL

DABL (Data Analytics in Business Language) is a Python library that simplifies the use of machine learning for data analysis. …

by Xor0x

20 Sep

Advanced Python Course

Lecture 3: Working with files, processing and implementation of exceptions

Files The built-in method is used to open files. The path to the file is passed to this method as …

by Xor0x

13 Sep

Python

Using defaultdict to simplify working with dictionaries

When working with dictionaries where you need to initialize default values for new keys, defaultdict from the collections module greatly …

by Xor0x

13 Sep

Python

Why use namedtuple instead of a regular dictionary?

The main advantage of namedtuple is that it takes up less space (memory) than an equivalent dictionary. Therefore, for large …

by Xor0x

13 Sep

Python

Sorting a list of dictionaries

There are tasks where it is necessary to sort a list of dictionaries in order to obtain a list sorted …

by Xor0x

13 Sep

Other

Automatic shutdown of a computer when the battery is low

The script checks the battery level and automatically shuts down the computer if the charge is below the specified threshold. …

by Xor0x

09 Sep

Python

Compress function

The compress function from itertools is used to filter elements from the input sequence based on the corresponding elements in …

by Xor0x

06 Sep

Python

Green threads

Green threads are execution threads that are managed by a virtual machine (VM) instead of the operating system. Green threads …

by Xor0x

06 Sep

Python

Shallow Copying

Object copying can be performed as either "shallow" copying or "deep" copying. The difference between them lies in how nested …

by Xor0x

05 Sep

Advanced Python Course

Lecture 2: OOP: everything about inheritance, magic methods + metaclasses

Hello everyone! Let's talk about Object-Oriented Programming (OOP), but we're not going to delve into theoretical concepts, as some familiar …

by Xor0x

28 Aug

Python

NetworkX

NetworkX is a Python library for analyzing complex networks. It provides data structures for working with graphs (networks) and implements …

by Xor0x

26 Aug

Python

Asynchronous code

Asynchronous code is an approach to writing code that allows multiple tasks to be executed simultaneously within a single process. …

by Xor0x

26 Aug

Python

Why shouldn't you use an empty list as a default argument?

Default values for function arguments are evaluated only once when the function is defined, not each time it's called. Therefore, …

by Xor0x

25 Aug

Windows

Reg Organizer – Complete Removal of Programs

Reg Organizer is a pretty cool program that allows you to do two useful things at once. First, it can …

by Xor0x

25 Aug

Python

Removing the background from an image

rembg is a useful library that easily removes the background from any photograph. Installation: pip install rembg

by Xor0x

25 Aug

Python

Dynamic module loading

Dynamic module loading in Python is the process of importing a module at runtime, as opposed to static imports that …

by Xor0x