⭐Summary: Use groupby() function from the itertools module to split a string whenever a character changes. Another way to do this is to use the zip function and manipulate the result using a list comprehension. Minimal Example Problem Formulation Problem: Given a string; How will you split the string when the character changes? Example Consider … Read more
Expressions and Control Structures in Solidity Smart Contracts In this article, we’ll talk about omitted function parameter names, i.e. what they are, when and why we should use them, and how they make our programming life more interesting. It’s part of our long-standing tradition to make this (and other) articles a faithful companion, or a … Read more
🚀Summary: Split the given string using the split() function and then unpack the items of the list returned by the split method into different variables. Minimal Example Problem Formulation 📝Problem: Given a string. How will you split the string and then store the split strings into different variables? Example 1 In the above problem, the … Read more
Solidity is one of the most popular languages for writing smart contracts on the Ethereum network. You can code Solidity online using the Remix IDE. This article will show you how! 👇 Quick Intro to Remix Remix is a free web-based integrated development environment (IDE) for developing Ethereum smart contracts. Remix allows developers to use … Read more
Summary: Use one of the following ways to split a string to get an element from a string: Minimal Example Problem Formulation 📜Problem: Given a string. How will split the string and get the element you want from the split string? Example 1 Extract the word “world” from the given string. Example 2 This is … Read more
⭐Summary: Use “given string”.split(‘-‘) to split the given string by hyphen and store each word as an individual item in a list. Some other ways to split using hyphen include using a list comprehension and the regex library. Minimal Example Problem Formulation 📜Problem: Given a string, how will you split the string into a list … Read more
To list directories in Python, import the os module and call the os.listdir() function on a specific directory. 💡 Info: The os module provides a way to interact with the operating system. It is part of the standard library within Python 3. You can use the os.path() module to check if each item in the … Read more
⭐Summary: Use “given string”.split(‘_’) to split the given string by underscore and store each word as an individual item in a list. Minimal Example Problem Formulation 📜Problem: Given a string, how will you split the string into a list of words using the underscore as a delimiter? Example Let’s understand the problem with the help … Read more
⭐Summary: The easiest way to split the string between the characters is to slice the string and extract the required split substring. Another effective way to split between characters is to use the re.search method from the regex module. Minimal Example Problem Formulation 📜Problem: Given a string; How will you split the string between characters? … Read more
Problem Formulation and Solution Overview This article will show you how to create a Virtual Environment inside the Visual Studio Code, the VSC Editor. Virtual Environments are best used when a coder or several coders work together to develop medium to large-scale applications. The best approach is to keep this code and associated libraries and … Read more
💬 Question: How to convert a hexadecimal string such as 02af01ff00 to a normal string using the Base64 format in Python? 👉 Short answer: Use the following fancy one-liner expression to convert the hex string s to a Base64-encoded Python string: base64.b64encode(bytes.fromhex(s)).decode(). For the long answer, keep reading! 🥸 If you’re like me, you may … Read more
NumPy vs Lists NumPy is an important Python library used for numerical operations and data science. Its mathematical operations on arrays are faster and more efficient than on lists. Since NumPy is primarily written in C and C++, it can perform faster operations. NumPy arrays are homogeneous arrays that can store only one type of … Read more