⭐Summary: Use shlex.split(text) to split the given string using a delimiter except at quotes. You can strip away the remaining comma characters like so: [x.strip(‘,’) for x in shlex.split(text)] Minimal Example Problem Formulation ⚡Problem: Given a string in Python. How will you split the string using a certain delimiter except when the delimiter occurs within … Read more
Problem Formulation 💬 Question: Given a binary string in your Python script, such as b’this is a binary string’. How to write the binary string to a file in Python? For example, you may have tried a code snippet like this that will not work with file.write(): Because this yields a TypeError: Traceback (most recent … Read more
Hex String as Binary Data To convert a hex string such as ‘FF0001AF’ to binary data, use the binascii.unhexlify(hex_str) function that returns the binary data represented by the hexadecimal string. Note that this converts two hex string digits to one byte, i.e., hex string ‘F0’ is converted to the byte representation 11110000, or in binary … Read more
In this post, I will show you how you can display a video file in Python – with and without OpenCV. I will also explain the codes and show you step by step. What is Opencv? OpenCV is one of the most widely used open-source libraries for computer vision tasks such as image processing, object … Read more
Problem Formulation and Solution Overview This article will show you how to import external Python code and use this code in another Python script. To make it more interesting, we have the following running scenario: 👩🏫 Fun Example: Pam, a High School Teacher, wants an easier way to calculate exam totals and produce student averages. … Read more
✨Summary: The two methods to split the string at double quotes are:(i) given_string.split(‘”‘)(ii) re.split(‘”‘, given_string) Minimal Example Problem Formulation 📜Problem: Given a string. How will you split the string using the double quotes as the delimiter? Example Let’s visualize the problem with the help of an example: Now that we have an overview of our … 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
Welcome to the bonus content of “The Book of Dash”. 🤗 Here you’ll 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. This … Read more
✨Summary: Split the string using split and then use len to count the results. Minimal Example Problem Formulation 📜Problem: Given a string. How will you split the string and find the number of split strings? Can you store the split strings into different variables? Example In the above problem, the delimiter used to split the … Read more
Problem Formulation and Solution Overview This article will show you how to create, update and query a SQLite database using Python. ℹ️The SQLite database is a great choice! It is self-contained, easy to use, easy to learn, and works on other devices, such as game consoles, mobile phones, and so on! To make it more … Read more
💬 Question: Given a Python list of hexadecimal strings such as [‘ff’, ‘ef’, ‘0f’, ‘0a’, ’93’]. How to convert it to a list of integers in Python such as [255, 239, 15, 10, 147]? Easiest Answer The easiest way to convert a list of hex strings to a list of integers in Python is the … Read more
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