Posts
All the articles I've posted.
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Leveraging SQL Window Functions with PARTITION BY
SQL window functions are a powerful tool for performing calculations across a set of rows related to the current row. When combined with the PARTITION BY clause, these functions can provide deep
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Avoiding Overwriting and Extra Spaces When Writing to Files in Python
When working with files in Python, it's common to encounter situations where you need to append new lines to an existing file without overwriting its current content. Additionally, managing whitespace
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How to Select Specific Rows from a DataFrame in Python
When working with DataFrames in Python, you may encounter situations where you need to filter and select specific rows based on certain conditions. In this blog post, we will explore how to create a
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Extracting Substrings from Strings in SQL Server
When working with SQL Server databases, you may often encounter scenarios where you need to extract specific parts of a string based on a pattern. A common requirement is to retrieve the substring
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Loading JSON Data into a Pandas DataFrame
When working with data, it's common to encounter various file formats. JSON (JavaScript Object Notation) is a popular format for data exchange due to its readability and ease of use. In this post,
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Running SQL Queries from a Batch File: Retrieving the Server Name
When working with SQL servers, it's often useful to automate routine tasks using batch files. One common task is retrieving the server name where your database is running. In this post, we'll walk
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How to Drop Rows Based on a Column Value in a pandas DataFrame
Problem Statement Let's say you have a DataFrame containing weather data, and you want to drop all rows where the quantity ( qty ) is less than 5. However, you notice that some rows are being dropped
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How to Print Lines Containing Non-Zero, Non-Dot, and Non-Space Characters in Python
In this blog post, we'll explore a simple yet useful task: printing lines that contain at least one character that is not a zero ( 0 ), a dot ( . ), or a space. This can be particularly handy when