How to Convert DateTime to UNIX Timestamp

python datetime to timestamp

As a developer, I have spent a lot of time wrestling with clocks. Mast APIs and databases prefer “UNIX time”—the number of seconds since January 1, 1970—because it is a simple integer that avoids timezone confusion. However, as humans, we prefer reading dates like “December 25, 2025, 10:00 AM,” which is why we use Python … Read more >>

How to Check if a Variable is Not Empty in Python

python check if variable is none

I have found that “empty” variables are the leading cause of crashes. I remember once debugging a Python script that processed IRS tax forms. A single “None” value in a list of deductions caused the entire payroll run to fail. Checking if a variable is not empty in Python is a fundamental skill that separates … Read more >>

How to Check if a Float Variable is Empty in Python

is float in python

In my ten years of architecting Python solutions for data-heavy firms in Chicago, I have seen developers stumble over one specific concept: the “empty” number. In Python, strings can be empty (“”) and lists can be empty ([]), but a float is a numeric type. It always holds a value, even if that value represents … Read more >>

How to Print Two Decimal Places in Python

print float with 2 decimals python

To print 2 decimal places in Python, we can use the Python str.format() method with “{:.2f}” as string and float as a number. Then call the Python print(), it will print the float with 2 decimal places.

Python String and Float Concatenation

python concatenate string and float

In my experience of writing Python code for data analytics firms, I have hit the same wall many times. You try to combine a piece of text with a decimal number, and Python throws a “TypeError.“ It is a classic beginner mistake, but even seasoned pros occasionally forget that Python is a strongly typed language. … Read more >>

How to Fix Command Errored Out With Exit Status 1 in Python

command errored out with exit status 1

In my Python development journey, few things are as frustrating as seeing a massive wall of red text in your terminal. One of the most common errors I encounter, especially when setting up new environments for US-based fintech projects, is the “command errored out with exit status 1.“ It usually happens when you are trying … Read more >>

Python Number Formatting: How to Add Commas to Large Numbers

python format number with commas and 2 decimal places

Over the past ten years of building financial applications in Python, I have come to realize one thing: users dislike reading raw numbers. Seeing a value like 10000000 on a dashboard is frustrating. It takes a second or two for the brain to process whether that is ten million or one hundred million. We rely … Read more >>

Priority Queue in Python

Priority Queue Python

When I first started programming with Python over a decade ago, one of the data structures that immediately stood out for its efficiency and versatility was the priority queue. Whether you’re managing tasks, scheduling jobs, or handling real-time events, priority queues help you process items based on their importance rather than just arrival order. In … Read more >>

Convert an Integer to Bytes in Python

Convert an Integer to Bytes Python

I started working with Python long ago, and dealing with data conversion was a common challenge. One of the essential conversions I frequently needed was turning integers into bytes. This skill is crucial for tasks like network communication, file handling, and low-level data processing. In this article, I’ll share practical methods to convert integers to … Read more >>

Check if a Variable Is Greater Than Zero in Python

Check if Variable Is Greater Than Zero Python

When I began my Python programming journey over ten years ago, one of the most fundamental checks I frequently performed was verifying if a variable was greater than zero. This simple condition is the backbone of countless applications, from validating user input to controlling business logic. In this article, I’ll share practical ways to check … Read more >>

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