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Running JAR file on Windows
I have a JAR file named helloworld.jar .
In order to run it, I'm executing the following command in a command-line window:
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New to MongoDB Can not run command mongo
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How to create a date and time picker in Android? [closed]
Is there any android widget that enable to pick the date and the time at the same time ?
I already use the basic time picker and date picker .
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Calculating moving average
I'm trying to use R to calculate the moving average over a series of values in a matrix. The normal R mailing list search hasn't been very helpful though. There doesn't seem to be a built-in function in R will allow me to calculate moving averages. Do any packages provide one? Or do I need to writ...
Accessing dict keys like an attribute?
I find it more convenient to access dict keys as obj.foo instead of obj['foo'] , so I wrote this snippet:
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In Python, what is the difference between “.append()” and “+= []”?
What is the difference between:
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PyPy — How can it possibly beat CPython?
From the Google Open Source Blog :
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Difference between Static and final?
I'm always confused between static and final keywords in java .
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How do I modify fields inside the new PostgreSQL JSON datatype?
With postgresql 9.3 I can SELECT specific fields of a JSON data type, but how do you modify them using UPDATE? I can't find any examples of this in the postgresql documentation, or anywhere online. I have tried the obvious:
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How to set up Spark on Windows?
I am trying to setup Apache Spark on Windows.
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