nosql beginner question [closed] - nosql

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what is the best documented and stable version of nosql technology to use with python or maybe with another programming languages ?
Are there any good tutorials ?
Many thanks.

The two most popular are MongoDB and Redis.
If you have a specialized need there are other choices that are better. But in general those two is what most people want.

There is no unique "NoSQL" solution which fits all requirements. You need to provide more information on what you want to achieve so we can guide into a specific direction.
Nonetheless here are some good databases (which all target a different market actually):
MongoDB, CouchDB, Redis, Cassandra, Riak

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What happened to OpenRT? [closed]

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Closed 8 years ago.
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I have been looking around for powerful raytracing interfaces and discovered references to OpenRT but can't seem to find it anywhere. Does it even still exist?
If it is gone, what is the most used library for raytracing that is powerful enough for realtime rendering.
My answer below is all I have managed to find.
Update
I have continued my search and only seem to find OpenRL as it supports most of what I need. However I may end up writing my own wrapper or engine that suits my needs as there seems to be no mature solution. Thanks for the suggestions.
PowerVR Wizard GPUs by Imagination Technologies have been announced recently.
"Wizard is essentially an extension of Imagination’s existing PowerVR
Series6XT Rogue designs, taking the base hardware and adding the
additional blocks necessary to do ray tracing"
Possible, and seems to be the only, solution I have found is OpenRL.

Suitable NoSQL database to implemet download server [closed]

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I need a NoSQL database to store our files with following specification:
easy Clustring
Distributed
Automatic failover
easily scalable
Fast
I have searched and find some solution like "MongoDB GridFS" or "Riak" but i think i have to research more in both requirement (download server requirements) and solutions.
Has anybody any experience in this fields?
From my (experienced) point of view there are no obvious reasons against MongoDB GridFS. If your files are below 16 MB of size each, I would even store them in a MongoDB collection directly.

Database Design / Examples for Tags [closed]

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I am planning to create a website which will contain number of documents and each document can be tagged with one or more tags.
I am planning to use mongodb for this. So can you guys suggest me how should I design the backend in mongodb means the database design.
Also could you please suggest any example website which has such kind of functionality that I can use as reference.
Thanks in advance
A very much visible example for this would stackoverflow itself.
It has questions which have many tags.
Example:
{_id:123,link:url,subject:'test subject',desction:'test description',tags:[{name:'mongodb',desc:'mongodb'},{name:'groovy',desc:'groovy'}]}

Practical examples of MongoDB documents [closed]

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I would like to learn how to properly design MongoDB documents. I know about MongoDB manual with special section about document design. Where can I find some practical examples of documents for social networks, cms sites, logging applications? Code that I can look into and learn from.
Thanks for your time and have a nice day!
Please check this out if you really want to see a detailed approach from mongodb's creators; this is really good: http://docs.mongodb.org/ecosystem/use-cases/ .
MongoDB has some great talks with examples. I would particularly concentrate on the schema design talks.
I bought a book on Amazon titeled MongoDB Applied Design Patterns from Rick Copeland. It is a "short" book with practical use cases on how to use MongoDB. It describes practically how to use MongoDB in CMS, social networking, online gaming, ecommerce, etc... Exactly what I was looking for. :)

Any good introductions and resources for gettext? [closed]

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I'm looking into frameworks for translation, and have been considering gettext. Because it's supposedly quite good, and lots of projects use it. Now I read part of the official manual, but it sucked. I kind of have an idea how it works now, but I have no idea where to get started.
In particular my project spans C++, Lua and Javascript, so I'd love to be able to unify the i18n with a single tool, but I'm also not having luck finding gettext good support for Lua or Javascript, are they supported, has anybody used gettext with these?
Thanks.
How about this tutorial? Another example is at O'Reilly.