In computer science, persistence refers to the characteristic of state that outlives the process that created it. From Wikipedia: http://en.wikipedia.org/wiki/Persistence_%28computer_science%29

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Persist AJAX values [closed]

I have a simulator that pulls data from a DB - calculates and return JSON result to an ajax call that renders a table for the results. The calculation procedure are as follow: grab X number of data ...
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What's the easiest (quickest) way to share one dataset in my app with someone else

I have some javascript that creates a canvas image that I want users to be able to share. I simply need to save the image somehow. Nothing else. I've been contemplating using bits and pieces of ruby ...
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Persistence models for Event Sourcing

I am intrigued by the Event Sourcing pattern but am struggling to design an event sourcing model and put it in concrete form. First off, I want to make sure that I understand the main use cases of ...
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What programmable system can provide persistent scheduling? [closed]

I want to write an application that creates scheduled events at specific times. When the delay elapses the event notifies the application. The scheduled events must not be stored in the application's ...
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Persisting type in Java - should I be using flags?

Is there some specific piece of advice around persist values that indicate type? Specifically I want to know if I should persist a flag/state indicating the type in persistence or not. I get the ...
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The best approach to building a mobile service that's also available when the connection drops?

Hopefully this question will be a good suit for P.SE since it is a whiteboard-level 'how can this be done' conceptual question. I'm trying to build a product that needs to be available to someone on ...
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Persistent Storage format for (update+read)-intensive data

I am developing a Java application. While using the application, data would be generated that needs to be stored on disk. I am looking for an embedded database appropriate for a average use-case of ...
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Persisting and manipulating JS ArrayBuffer data on the server

My node.js app has to deal with (sometimes large; a few MB) tables of numerical data. I'm about to use JavaScript's native binary objects for this purpose (i.e. ArrayBuffer and friends), because ...
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What are some common patterns for managing a polyglot persistence layer?

I am pretty interested in the idea of using multiple datastores to support a single application and understand the benefits in theory but would like to know a little more about how things are done in ...
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Can I share ~1k of dynamically updated data between HTML5/JS pages using only apache2?

I have an HTML5/Javascript web site. There is a form which updates JSON data. There are other pages which I would like to load that JSON data dynamically. I know how to do this via Tomcat/JSP but I'd ...