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How to read multiple text files into a single RDD?
...his is the most convenient way to open multiple files as a single RDD. The API here is just an exposure of Hadoop's FileInputFormat API, so all the same Path options apply.
– Nick Chammas
Jun 4 '14 at 15:04
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.war vs .ear file
...er.
The Web container hosts Web applications based on JSP or the Servlets API - designed specifically for web request handling - so more of a request/response style of distributed computing. A Web container requires the Web module to be packaged as a WAR file - that is a special JAR file with a web...
Dynamically Changing log4j log level
... Calls to logger.setLevel() or similar methods are not supported in the
API. Applications should remove these. Equivalent functionality is
provided in the Log4j 2 implementation classes but may leave the
application susceptible to changes in Log4j 2 internals.
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Programmer-friendly search engine? [closed]
...sk, that needs specialized search engines. For example, when searching for APi documentation the engine should also extract valid examples from eg blog posts and show them to us. Et cetera.
For the full paper, please refer to: "Assieme, Finding and Leveraging Implicit References
in a Web Search In...
What's the difference between == and .equals in Scala?
...g is actually NaN use isNaN:
Java: https://docs.oracle.com/javase/7/docs/api/java/lang/Double.html#isNaN(double)
Scala: http://www.scala-lang.org/files/archive/api/2.11.8/index.html#scala.Double@isNaN():Boolean
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What is the best Java library to use for HTTP POST, GET etc.? [closed]
...B - supports marshaling to/from objects straight from the request/response
API is easy to use
In truth, HTTPClient and Jersey are very similar in implementation and API. There is also an extension for Jersey that allows it to support HTTPClient.
Some code samples with Jersey 1.x:
https://blogs.or...
What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...vious orders and replace them with the one provided. (PUT in terms of REST API)
@OneToMany(mappedBy="customer", orphanRemoval="true")
public List<Order> getOrders() { ... }
Without orphanRemoval old orders would be kept. (PATCH in terms of REST API)
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Is it possible to ping a server from Javascript?
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The Ping API that @Jonathon created will successfully ping everything. Sites that do not exist and random characters.
– IE5Master
Jul 25 '16 at 15:31
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store and retrieve a class object in shared preference
...rn items;
}
Note that StringSet in Shared Preferences is available since API 11.
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Android: How to enable/disable option menu item on button click?
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Plus the API comment on onPrepareOptionsMenu clearly states: Deriving classes should always (!) call through to the base class implementation. You forgot your super call there.
– AgentKnopf
Jan ...