lyon | 2D graphics rendering on the GPU in rust using path | Graphics library

I have a pandas dataframe with one column like this:

Merged_Cities New York, Wisconsin, Atlanta Tokyo, Kyoto, Suzuki Paris, Bordeaux, Lyon Mumbai, Delhi, Bangalore London, Manchester, Bermingham

And I want a new dataframe with the output like this:

Merged_Cities Cities New York, Wisconsin, Atlanta New York New York, Wisconsin, Atlanta Wisconsin New York, Wisconsin, Atlanta Atlanta Tokyo, Kyoto, Suzuki Tokyo Tokyo, Kyoto, Suzuki Kyoto Tokyo, Kyoto, Suzuki Suzuki Paris, Bordeaux, Lyon Paris Paris, Bordeaux, Lyon Bordeaux Paris, Bordeaux, Lyon Lyon Mumbai, Delhi, Bangalore Mumbai Mumbai, Delhi, Bangalore Delhi Mumbai, Delhi, Bangalore Bangalore London, Manchester, Bermingham London London, Manchester, Bermingham Manchester London, Manchester, Bermingham Bermingham

In short I want to split all the cities into different rows while maintaining the 'Merged_Cities' column.

Here's a replicable version of df:

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I want to make a program that randomly simulates the flow of a champions league tournament (football/soccer tournament). The format of the tournament is as follows:

1. There are 32 teams that qualify each year.
2. The teams are then randomly distributed into 8 groups containing 4 teams each.
3. The teams all play each other and 2 of the best performing ones qualify to the next round (round of sixteen)
4. The matchups are decided by randomly selecting the teams 2 at a time with the constraint that no two teams from the same group may face each other again
5. The winner then progresses to the next stage and so on and so forth until we have a winner.

In my program I have tried to implement this format using the random module in python. However, once every 4-5 iterations I get an index error at either the round of 16 selection step or the quarter final selection step. I cant seem to understand why. Please help

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I have a column in my pandas dataframe that includes communes of French cities. Here is an example:

index Com 1 Paris 3 2 Paris 17 3 Marseille 5 4 Abainville 5 Aast 6 Marseille 15 7 Lyon 4

Except I would like to add a 0 to the single digit numbers to get this:

index Com 1 Paris 03 2 Paris 17 3 Marseille 05 4 Abainville 5 Aast 6 Marseille 15 7 Lyon 04

What can I do?

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Starting with this dataframe of train trip segments:

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The task at hand is mapping the empprevyearpct value to a county map. The sample data is below.

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I've written a readFile function for a project I'm working on. I call it once, load in a file and read in it's contents - works fine

However, when I try to load it a second time, attempting to change the file name - it loads it in, saves it to a static string 'path' that I access in a different function - but then the function is not printing the data

The question is, how do I change the file name, and read it in successfully on the second iteration? The part that has me stumped is that it works once, but not twice

Ive attempted to use cin.ignore(); cin.clear(); cin.sync() on the second iteration of fileName function - but none of them allow a separate file to be read successfully.

Minimum Reproducible Example:

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So, I want to create a REST API with Spring in Intellij (using Gradle) that manages countries. Every country has multiple regions (as a list) and every region has multiple locations. I'm using Hibernate and I have a class named DatabaseLoader that preloads enteries in the db. It preloads countries, but their lists are empty. Can anyone explain me what I'm doing wrong?

Here's the Country Class:

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I'm reading tables from a website where one of the columns is university name and some of the names have special characters which are the following (but the names are written like I put them here, so is not a task I can fix by reading the web in a different way):

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So i wana connect my HTML list to a javascript display so it goes like in this giff: https://tabard.fr/cours/2021/web/resultat.gif. So here is my HTML and my JS Code.

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