Tag: pandas

polars join is so slow

If the join operation using polars is slow, there are some additional things you can try to improve performance: join_par is a method in Polars that performs a parallel join operation. Here’s how you can use it: The join_par method takes two arguments: the second dataframe to join and the join keys. In the example… Continue reading polars join is so slow

Pandas vs polars functions

common Pandas functions and their equivalent functions in the polars library: These are some of the commonly used Pandas functions and their equivalent in polars library. It is possible that some functions may not have an equivalent in polars library and some additional functions may be available in polars library. The polars library is a… Continue reading Pandas vs polars functions

گرفتن قیمت یورو چندسال گذشته

از سایت بن بست با پایتون نتیجه رو می‌تونید از این آدرس بردارید که تا این تاریخ داخلش هست. امتحان کانکشن گرفتن مقادیر با تاریخ شمسی می‌تونید از این آدرس جدول تبدیل تاریخ میلادی به شمسی رو بردارید خروجی اکسل

5 ways to apply an IF condition in pandas DataFrame

from Need to apply an IF condition in Pandas DataFrame? If so, in this tutorial, you’ll see 5 different ways to apply such a condition. Specifically, you’ll see how to apply an IF condition for: Set of numbers Set of numbers and lambda Strings Strings and lambada OR condition Applying an IF condition in Pandas DataFrame… Continue reading 5 ways to apply an IF condition in pandas DataFrame