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  1. #1
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    What is the difference between MX and spark?

    I read many article but i am still confused. Could any one tell me what is the
    difference between MX and spark? If you try to explain with example that will
    be good for me.

  • #2
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    MX is a more complete and functional set of components for desktop and browser applications, but they had inconsistent skinning rules. The Spark components are new for Flex 4 and are defined in the spark. The MX components shipped in previous releases of Flex and are defined in the MX. The main differences between Spark and MX components are how you use CSS styles with the components and how you skin them.

    Spark and MX define some of the same components. For example, Spark defines a button control in the spark.components package, and MX defines a button control in the MX.controls package.

    Spark and MX also define components that are unique. For example, Spark defines components to perform three dimensional effects. MX defines data visualization components, such as the DataGrid and AdvancedDataGrid controls, not included in Spark

  • #3
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    If your domain has more than one MX record, the mailer has to figure out which one to use. MX records use a field called preference to determine the priority. Mail is delivered to the mail exchange server with the lowest preference number (highest priority), so the MX record you use for mail routing should have the lowest preference number, typically 0. For example, use 0 for your mail routing record, and 10 for the record for validating that you own your domain. Or, if your DNS hosting provider uses Low, Medium, and High, use High for your mail routing record, and Low for the record for validating that you own your domain.

    Spark API: Hadoop MapReduce has a very strict API that doesn't allow for as much versatility. Since spark abstracts away many of the low level details it allows for more productivity. Also things like broadcast variables and accumulators are much more versatile than DistributedCache and counters IMO.

  • #4
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    MX is a more complete and efficient set of elements for pc and web browser applications, but they had unreliable skinning guidelines.
    Spark provides more consistent skinning guidelines, facilitates right-to-left text, and has touch-enabled elements for mobile.


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