This blog post contains some of the python one-liners which I have gathered from various sources. The link to the repository is given below. If you are interested you can also add your own one-liners if I have missed any. https://github.com/Allwin12/python-one-liners anagram binary to decimal convert string to lower case convert string to upper case […]
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In this blog post, we shall how to validate a credit card number using Luhn’s algorithm. We shall also learn about Luhn’s algorithm where and how it is used. This blog post also contains a sample python code to validate the credit card number. Luhn’s algorithm The Luhn algorithm or Luhn formula, also known as the “modulus 10” […]
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This blog post discusses which is the best method to find if a string is empty in python. We all would have known about the naive method. But let us see which one is the most effective and efficient method to find the empty string. In the naive method we would do something just like […]
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We all know Django provides ORM right out of the box thus preventing us from writing SQL queries. This mechanism has a lot of potentials. Most of us will be dealing only with the filter(), get(), all(), update() and delete() methods from the Django ORM. But Django ORM provides a lot of other options in […]
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This blog post focuses on finding various information about the nature of the browser and os from which the HTTP requests are made. The following information can be obtained from the requests. If the device is a mobile/PC Browser name Browser version OS of the computer or mobile OS version Device name Let us get […]
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This blog post teaches you to escape and unescape HTML strings and files using a built-in module in python called “html”. This module has two methods escape() and unescape() which lets us do this operation. 1. Escape First, let us see how to escape HTML strings and files using the escape() method from the HTML module. What is escaping […]
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In this article, we shall see how to get file size with python using built-in libraries. The os module and the pathlib module in python can be used to find the size of a file. This blog post deals with the following three ways to find the file size using python. All these methods will […]
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In this article, we shall see how to compare two directories using the built-in module in python called “filecmp”. This module cannot be used to compare the contents of two files. It rather will compare the files and subdirectories in the two given directories. In order to compare the contents of two files, there is […]
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In this article, we shall see how to convert a list of strings from upper to lower case or from lower to upper case using python. This can be achieved either using list comprehension or using map method and lambda function. Let us get started. Convert to lower case Consider the following list of strings. […]
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Python has a built-in library called statistics. This module provides functions for calculating mathematical statistics of numeric (Real-valued) data. Unless explicitly noted, these functions support int, float, Decimal and Fraction. Some of the most common methods supported by this module are, mean() fmean() geometric_mean() median() median_low() median_high() mode() multimode() Let us look at the above methods one by one with […]
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