George Petrov questions

George Petrov answers

• Ranking columns and selecting column names
• How can I use the apply() function for a single column?
• python - name of np array variable as string
• How to replace only the first n elements in a numpy array that are larger than a certain value?
• How to do HAVING COUNT in MongoDB?
• pandas: how to format cells after exporting to Excel
• How to stop debugging python in vim