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How to turn off INFO logging in Spark?

I installed Spark using the AWS EC2 guide and I can launch the program fine using the bin/pyspark script to get to the spark prompt and can also do the Quick Start quide successfully. ...
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How do I create a variable number of variables?

... | edited Apr 21 '16 at 15:23 davidism 88.4k1717 gold badges279279 silver badges264264 bronze badges a...
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Python None comparison: should I use “is” or ==?

...ject None, so when you do my_var is None, you're checking whether they actually are the same object (not just equivalent objects) In other words, == is a check for equivalence (which is defined from object to object) whereas is checks for object identity: lst = [1,2,3] lst == lst[:] # This is Tr...
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Eclipse Kepler for OS X Mavericks request Java SE 6

I have just made a clean installation of OS X Mavericks , and I have downloaded Eclipse Kepler , but if I execute it, gives me this message: ...
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How can I get the behavior of GNU's readlink -f on a Mac?

... Benjamin W. 29.9k1515 gold badges6767 silver badges7373 bronze badges answered Jul 12 '09 at 20:51 Keith SmithKeith Sm...
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Difference between assertEquals and assertSame in phpunit?

... I use both sporadically, but according to the docs: assertSame Reports an error identified by $message if the two variables $expected and $actual do not have the same type and value." And as you can see in the example below the above exc...
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How to properly import a selfsigned certificate into Java keystore that is available to all Java app

...Windows the easiest way is to use the program portecle. Download and install portecle. First make 100% sure you know which JRE or JDK is being used to run your program. On a 64 bit Windows 7 there could be quite a few JREs. Process Explorer can help you with this or you can use: System.out.println...
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FormData.append(“key”, “value”) is not working

...rmdata.get(key) and more very useful methods Original answer: What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the browser logs (eg. Chrome devtools' Network tab). You don't need a/the same Ajax framework. You don't need any details. Just send it: var xhr = ...
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Is it possible to implement dynamic getters/setters in JavaScript?

...Here's a simple example that turns any property values that are strings to all caps on retrieval: "use strict"; if (typeof Proxy == "undefined") { throw new Error("This browser doesn't support Proxy"); } let original = { "foo": "bar" }; let proxy = new Proxy(original, { get(...
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mongodb count num of distinct values per field/key

...nieStennie 55.2k1212 gold badges130130 silver badges159159 bronze badges 49 ...