Accessing environment variables in Python allows you to retrieve and utilize configuration settings, credentials, or other sensitive information stored in the environment where your Python script is running. Environment variables are key-value pairs defined […]
Web Development
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How to add a column with a default value to an existing table in sql server
To add a column with a default value to an existing table in SQL Server, you can use the ALTER TABLE statement along with the ADD COLUMN clause to specify the new column name, […]
How to concatenate two lists in python
Concatenating two lists in Python allows you to combine their elements into a single list. This operation is useful when you want to merge data from multiple lists or extend an existing list with […]
How to add a time delay in a python script
Adding a time delay or pause in a Python script allows you to control the timing of operations, introduce delays between actions, or simulate real-time processes. This functionality is useful in various scenarios such […]
CORS: JavaScript vs. Postman
The "No ‘Access-Control-Allow-Origin’ header is present on the requested resource" error occurs in JavaScript when making an XMLHttpRequest (XHR) or fetch request to a different domain (cross-origin request) and the server does not include […]
How to merge properties of two javascript objects
To merge properties of two JavaScript objects, you can use various methods depending on your requirements and the structure of the objects. Merging objects involves combining their properties into a single object, ensuring that […]
How to clone a list and make it not change after assignment
To clone a list in Python and ensure that changes to the original list do not affect the cloned version, you need to create a shallow or deep copy of the list depending on […]
The meaning of cherry-picking a commit with git
Cherry-picking a commit in Git refers to the process of selecting and applying a specific commit from one branch onto another branch. This technique allows you to pick individual commits and apply them to […]
How to iterate over the words of a string
To iterate over the words of a string that are separated by whitespace, you can use Python’s built-in string methods along with looping constructs. The process involves splitting the string into individual words based […]