‘DataFrame’ object has no attribute ‘sort’

sort() was deprecated for DataFrames in favor of either: sort_values() to sort by column(s) sort_index() to sort by the index sort() was deprecated (but still available) in Pandas with release 0.17 (2015-10-09) with the introduction of sort_values() and sort_index(). It was removed from Pandas with release 0.20 (2017-05-05).

SyntaxError: Unexpected token o in JSON at position 1

The JSON you posted looks fine, however in your code, it is most likely not a JSON string anymore, but already a JavaScript object. This means, no more parsing is necessary. You can test this yourself, e.g. in Chrome’s console: JSON.parse() converts the input into a string. The toString() method of JavaScript objects by default returns [object Object], resulting … Read more

rejected master -> master (non-fast-forward)

As the error message says: git pull before you try to git push. Apparently your local branch is out of sync with your tracking branch. Depending on project rules and your workflow you might also want to use git pull –rebase.

“Missing return statement” within if / for / while

If you put a return statement in the if, while or for statement then it may or may not return a value. If it will not go inside these statements then also that method should return some value (that could be null). To ensure that, compiler will force you to write this return statement which is after if, while or for. But if you … Read more

This adb server’s $ADB_VENDOR_KEYS is not set

I uninstall my old android studio and delete folders from the previous installation. Then, I install the new version of android studio. But, I am having the same issue as the one on Android adb devices unauthorized Basically, the phone will not display a message which asked me to confirm. I found the adbkey.pub and adbkey … Read more

C# 2D platformer movement code

There are a couple of ways to achieve this but following your current implementation: why not set the isGrounded flag to false when you jump and just let the trigger handle resetting the flag when you land? Some things you could check: Are all your colliders 2D and set to be triggers?Have you checked your … Read more