What Is Big/Little Endian? Computers perform computations on data that is represented with bytes, i.e., sequences of 0s and 1s. A computer program manipulates data by loading data from memory (RAM, Cache, Disk, SSD), performing computations based on that data, and storing the resulting data back into the memory. A computer program loads and stores … Read more
Question 💬 How to convert a hexadecimal string to a decimal integer value in Python? Answer Summary To convert a hex string to a decimal integer value, pass the hex string into the int() function with base argument such as int(‘0xfff’, base=16), or eval() function such as eval(‘0xfff’). The result is a decimal integer value … Read more
Problem Formulation and Solution Overview This article will show different ways to read and filter an Excel file in Python. To make it more interesting, we have the following scenario: Sven is a Senior Coder at K-Paddles. K-Paddles manufactures Kayak Paddles made of Kevlar for the White Water Rafting Community. Sven has been asked to … Read more
Summary: One of the easiest ways to split a string after every n character is to use a list comprehension to and slice the string accordingly to extract every n character of the given string and store them in a list. The items of this list represent the required split substrings.A quick Look at the … Read more
💬 Question: How to convert a given hex string such as ‘0xF’ to a binary number such as ‘0b1111′? There are multiple variants of this problem depending on how you want the conversion and from which type to which type. In this article, we’ll go over the different methods from simple to more sophisticated. Let’s … Read more
💬 Question: Given a hexadecimal string such as ‘0xf’ in Python. How to convert it to a hexadecimal number in Python so that you can perform arithmetic operations such as addition and subtraction? The hexadecimal string representation with the ‘0x’ prefix indicates that the digits of the numbers do have a hexadecimal base 16. In … Read more
Keeping Up With Market Changes By Using Google Trends API In this fast-moving world, people’s needs are constantly changing. To know about shifting behaviors, you can use Google Trends. This free tool provides data through search requests across Google Search, YouTube, Shopping, and Images. By entering a keyword or a topic, you can explore what … Read more
Problem Formulation Given a string in hexadecimal form: How to convert the hex string to a bytes object in Python? Here are a few examples: Hex String Bytes Object ’01’ b’\x01′ ’04’ b’\x04′ ’08’ b’\x08′ ’01 0a’ b’\x01\n’ ’01 02 0e 0f 0f’ b’\x01\x02\x0e\x0f\x0f’ ‘0f 0f’ b’\x0f\x0f’ Hex String to Bytes using bytes.fromhex(hex_string) To convert … Read more
Summary: You can split a given string at a specific position/index using Python’s string–slicing syntax. Minimal Example: Problem Formulation 💬Problem: Given a string, how will you split the given string at any given position? Let’s have a look at a couple of examples that demonstrate what the problem asks you to do: ◈Example 1 The following … Read more
Problem Formulation and Solution Overview This article will show you how to retrieve a year from a DateTime Object in Python. Whether that being a year from a DateTime Object, a DataFrame, or even a NumPy array. 💬 Question: How would we write code to retrieve the Year from a DateTime Object? We can accomplish … Read more
Welcome to the bonus content of “The Book of Dash”. 🤗 Here you will find additional examples of Plotly Dash components, layouts and style. To learn more about making dashboards with Plotly Dash, and how to buy your copy of “The Book of Dash”, please see the reference section at the bottom of this article. … Read more
Before we dive into named groups, let’s quickly recap normal capture groups in Python. If you already know normal “unnamed capturing groups” well, feel free to skip the first section and move right away to the next one about named capture groups in Python. 👇 What Are Python Regex Groups? A normal Python regex group … Read more