The glob module finds all the pathnames matching a specified pattern according to the rules used by the Unix shell. If you need a list of filenames that all have a certain extension, prefix, or any common string in the middle, use glob instead of writing code to scan the directory contents yourself.
2020-12-25
YAML YAML = YAML Ain’t Markup Language Human-readable data-serialization language It is commonly used for configuration files, but it is also used in data storage (e.g. debugging output) or transmission (e.
2020-12-09
TL;DR Python and JSON conversion JSON (JavaScript Object Notation) is a popular data format used for representing structured data. It’s common to transmit and receive data between a server and web application in JSON format.
2020-12-09
Common used functions import numpy as np We use numpy.random package to generate an array of random values instead of looping through the random generation of one variable. np.random.randn() Return a sample (or samples) from the “standard normal” distribution.
2020-11-23
x = np.array([[1, 2], [3, 4]]) print(x) print(x.shape) [[1 2] [3 4]] (2, 2) x1 = np.tile(x, (1, 2)) print(x1) print(x1.shape) [[1 2 1 2] [3 4 3 4]] (2, 4) Numpy tile Reference numpy tile documentation
2020-11-22
What is a File? At its core, a file is a contiguous set of bytes used to store data. This data is organized in a specific format and can be anything as simple as a text file or as complicated as a program executable.
2020-11-19
with open(...) as ... pattern open() opens file for reading or writing and returns a file handle Use appropriate methods to read or write this file handel Example Read with open('data.
2020-11-19
Shell Commands in IPython Any command that works at the command-line can be used in IPython by prefixing it with the ! character. Example ! echo 'hello world!' # echo is like Python's print function hello world!
2020-11-07
Modular programming refers to the process of breaking a large, unwieldy programming task into separate, smaller, more manageable subtasks or modules. Individual modules can then be cobbled together like building blocks to create a larger application.
2020-10-29
Python f-string is the newest Python syntax to do string formatting. Python f-strings provide a faster, more readable, more concise, and less error prone way of formatting strings in Python. đź‘Ź
2020-10-21