FAQ Database Discussion Community


Modelling a leaderboard/ranking list in Riak

solr,ranking,riak,leaderboard
I am currently researching databases for a scalable game backend. Riak looks very nice from an operational point of view. I can easily see how to model user and game data and statistics in Riak. But I have trouble with leaderboards/ranking lists. Assuming we have millions of players and the...

Optimizing for Social Leaderboards

python,google-app-engine,optimization,twitter,leaderboard
I'm using Google App Engine (python) for the backend of a mobile social game. The game uses Twitter integration to allow people to follow relative leaderboards and play against their friends or followers. By far the most expensive piece of the puzzle is the background (push) task that hits the...

Application is missing a default group leaderboard (ItunesConnect error)

ios,error-handling,itunesconnect,missing-data,leaderboard
I am trying to update my game from 1.0 to 1.1 but get this error: "Application is missing a default group leaderboard (ItunesConnect error)" image: I also can't save anything, when I try to i Get this error: There was an error saving changes. Please try again later or contact...

Sorting a leaderboard from highest to lowest

c#,string,list,class,leaderboard
I'm trying to get the scores of a quiz ordered from highest to lowest in a richTextBox. I save the players name, quiz and score in a class called scoresClass. At the end of the quiz, I call the class to three richTextBoxs, to show their name, quiz and score....

Google Play Store: My app page does not show the leaderboard and achievements icons/badges

android,google-play,leaderboard,achievements
I launched an app on google play store this week. The app uses Google Play Games Leaderboard and Achievements APIs. Should the app page in play store app not show these icons/badges like it does in other apps that use these APIs? Do i need to enable it anywhere? These...