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Google App Engine Ranklist

Contact owners and managers

1â€“21 of 21

Welcome to the mailing list for the Google App Engine Ranklist. Please feel free to ask questions. You can find the code atÂ https://github.com/Ruberik/google-app-engine-ranklist.

0 selected

Pascal JardÃ©,Â Bartholomew Furrow3

11/3/16

Access to documentation and code

Cool!! Thank you so much

unread,

Access to documentation and code

Cool!! Thank you so much

11/3/16

Prasad Ramdas,Â Bartholomew Furrow4

3/17/16

Implementation for a weekly leaderboard. Help please!

Hi Prasad, I think you've done a great job thinking this through, and I do have a suggestion.

unread,

Implementation for a weekly leaderboard. Help please!

Hi Prasad, I think you've done a great job thinking this through, and I do have a suggestion.

3/17/16

Sabih Egbaria,Â Bartholomew Furrow4

8/3/15

Does the java version use memcache for Ranker entities?

The problem is that memcache is missing all four components of ACID. Depending on your implementation

unread,

Does the java version use memcache for Ranker entities?

The problem is that memcache is missing all four components of ACID. Depending on your implementation

8/3/15

Clint Doriot,Â Bartholomew Furrow14

5/22/15

Ranklist for Relative Leaderboards for Mobile App

> I'm pretty sure the readers wouldn't lock it; I can't find the GAE documentation

unread,

Ranklist for Relative Leaderboards for Mobile App

> I'm pretty sure the readers wouldn't lock it; I can't find the GAE documentation

5/22/15

Clint Doriot,Â Bartholomew Furrow3

4/27/15

NDB version of Ranklist

Just a follow up to this thread if anyone is coming here after the fact... Bartholomew and I talked

unread,

NDB version of Ranklist

Just a follow up to this thread if anyone is coming here after the fact... Bartholomew and I talked

4/27/15

Neil Ghosh,Â Bartholomew Furrow2

11/7/14

Rank for an score that does not exist

Hi Neil, Could you please give example code or pseudocode? In Code Jam we retrieve your score from

unread,

Rank for an score that does not exist

Hi Neil, Could you please give example code or pseudocode? In Code Jam we retrieve your score from

11/7/14

Neil Ghosh,Â Bartholomew Furrow2

10/27/14

Getting top N players

Your idea should work as well as anything for retrieving the top N, and you won't need an index

unread,

Getting top N players

Your idea should work as well as anything for retrieving the top N, and you won't need an index

10/27/14

Neil Ghosh,Â Bartholomew Furrow3

10/17/14

Ranker for Unknown Score Ranges (Upper Bound)

(Sorry, toddler) ... Instead of splitting like 1e99, 2e99, 3e99,... Would split like 1, 100,1000,

unread,

Ranker for Unknown Score Ranges (Upper Bound)

(Sorry, toddler) ... Instead of splitting like 1e99, 2e99, 3e99,... Would split like 1, 100,1000,

10/17/14

John,Â â€¦Â Bartholomew Furrow11

7/1/13

Java Implementation

Ahh, nice find! I'm glad it worked out for you.

unread,

Java Implementation

Ahh, nice find! I'm glad it worked out for you.

7/1/13

victor noagbodji,Â Bartholomew Furrow8

2/18/13

Using the ranker library with a "open-ended" contest

That seems to be the case. When multiple order()'s are added to a query they are chained: https:/

unread,

Using the ranker library with a "open-ended" contest

That seems to be the case. When multiple order()'s are added to a query they are chained: https:/

2/18/13

Rob,Â Bartholomew Furrow8

1/9/13

How can I retrieve names from the ranking?

Ah, I see. For that we find the rank R of X using the ranker, then assume the first person returned

unread,

How can I retrieve names from the ranking?

Ah, I see. For that we find the rank R of X using the ranker, then assume the first person returned

1/9/13

Oliver Billing,Â Roberto Caldas2

1/9/13

Thankyou for Ranker (Especially the Java version)

Hi Oliver I'm also using the java version and have the same requirements. Check out the other

unread,

Thankyou for Ranker (Especially the Java version)

Hi Oliver I'm also using the java version and have the same requirements. Check out the other

1/9/13

1/4/13

About the Java version of Ranker.FindRank(Score_Tuple score)

It took me some time to understand why FindRank passing one score returned a list of ranks, I was

unread,

About the Java version of Ranker.FindRank(Score_Tuple score)

It took me some time to understand why FindRank passing one score returned a list of ranks, I was

1/4/13

Rob,Â Bartholomew Furrow2

1/3/13

Estimating the branching factor

If you aren't going to get many write QPS on the ranker, it probably doesn't matter. More

unread,

Estimating the branching factor

If you aren't going to get many write QPS on the ranker, it probably doesn't matter. More

1/3/13

Rob,Â Bartholomew Furrow6

7/21/11

RankList on High Replication Datastore

Thanks for sending such a detailed email! This is easily the deepest exploration I've seen of

unread,

RankList on High Replication Datastore

Thanks for sending such a detailed email! This is easily the deepest exploration I've seen of

7/21/11

Steven,Â Bartholomew Furrow2

7/18/11

Is Ranklist still needed?

Hi Steven, App Engine's technology has seen huge improvements since we first wrote this library.

unread,

Is Ranklist still needed?

Hi Steven, App Engine's technology has seen huge improvements since we first wrote this library.

7/18/11

Michael Robellard,Â â€¦Â Bartholomew Furrow15

8/17/10

I am getting a lot of transaction collisions

It'd be nice if Memcache had a way to atomically add something to a list the way you can do

unread,

I am getting a lot of transaction collisions

It'd be nice if Memcache had a way to atomically add something to a list the way you can do

8/17/10

pranny,Â â€¦Â Bartholomew Furrow11

7/29/10

Modifying ranking to suit our use cases

Cool, i will proceed with this method! Thanks Furrow. On Jul 29, 9:55 pm, Bartholomew Furrow <fur.

unread,

Modifying ranking to suit our use cases

Cool, i will proceed with this method! Thanks Furrow. On Jul 29, 9:55 pm, Bartholomew Furrow <fur.

7/29/10

Michael Robellard,Â Bartholomew Furrow3

6/30/10

Thanks for the great code.

I found it on the list of Open Source App Engine Projects: http://groups.google.com/group/google-

unread,

Thanks for the great code.

I found it on the list of Open Source App Engine Projects: http://groups.google.com/group/google-

6/30/10

antsyawn,Â Bartholomew2

9/16/09

We don't have any plans to make a java version, simply because the only project we're using

unread,

We don't have any plans to make a java version, simply because the only project we're using

9/16/09

riq,Â â€¦Â Bartholomew Furrow11

5/1/09

rankings in a high score server

Thank you for the tips! I'll implement it after the weekend. Thanks again, riq. -- http://blog.

unread,

rankings in a high score server

Thank you for the tips! I'll implement it after the weekend. Thanks again, riq. -- http://blog.

5/1/09

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