Sell out of all players at hockeyarena.net

I'm selling out all players right now. One player will go to the market each work day. See the following image to get further informations about them.

Here is even their loyalty:

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ETCD: POST vs. PUT understanding

ETCD is distributed key value store used as a core component in CoreOS . I've already send a post earlier this week. Here is a page describing how to use ETCD basic commands = ETCD API. Code snippets placed in a page mostly use put , but ETCD allows to use post as well. Most of us understand differences between those two commands in a notion of a REST(ful) service, but how does it work in key value store? POST Example over many words. curl -v http://127.0.0.1:2379/v2/keys/test -XPOST -D value="some value" curl -v http://127.0.0.1:2379/v2/keys/test -XPOST -D value="some value" Two same command result into following content: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 { "action" : "get" , "node" : { "key" : "/test" , "dir" : true , "nodes" : [ { "key" : "/test/194" , "value" : &

Presentation: Redis - The Distributed Key:Value Store

Attaching presentation I made for my colleagues regarding Redis - The distributed key:value store. Google docs version .

NHibernate performance issues #3: slow inserts (stateless session)

The whole series of NHibernate performance issues isn't about simple use-cases. If you develop small app, such as simple website, you don't need to care about performance. But if you design and develop huge application and once you have decided to use NHibernate you'll solve various sort of issue. For today the use-case is obvious: how to insert many entities into the database as fast as possible? Why I'm taking about previous stuff? The are a lot of articles how the original NHibernate's purpose isn't to support batch operations , like inserts. Once you have decided to NHibernate, you have to solve this issue. Slow insertion The basic way how to insert mapped entity into database is: SessionFactory.GetCurrentSession().Save(object); But what happen when I try to insert many entities? Lets say, I want to persist 1000 libraries each library has 100 books = 100k of books each book has 5 rentals - there are 500k of rentals It's really slow! The inser

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