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Apache Spark: The number of cores vs. the number of executors
I'm trying to understand the relationship of the number of cores and the number of executors when running a Spark job on YARN.
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How can I make an EXE file from a Python program? [duplicate]
I've used several modules to make EXEs for Python, but I'm not sure if I'm doing it right.
7 Answers
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Undefined method 'task' using Rake 0.9.0
...sion ( 0.9.0.beta.4 ) and the rake command ends up with the following error message:
8 Answers
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Virtual Serial Port for Linux
I need to test a serial port application on Linux, however, my test machine only has one serial port.
8 Answers
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Openstreetmap: embedding map in webpage (like Google Maps)
...bed/mashup the OpenStreetMap in your page (like the way Google Maps API works)?
8 Answers
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cURL equivalent in Node.js?
I'm looking to use information from an HTTP request using Node.js (i.e. call a remote web service and echo the response to the client).
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Multiprocessing: How to use Pool.map on a function defined in a class?
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I also was annoyed by restrictions on what sort of functions pool.map could accept. I wrote the following to circumvent this. It appears to work, even for recursive use of parmap.
from multiprocessing import Process, Pipe
from itertools import izip
def spawn(f):
d...
How to grep a text file which contains some binary data?
...d to remove the junk; this is most analogous to your query about using tr for the task.
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“Private” (implementation) class in Python
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Use a single underscore prefix:
class _Internal:
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This is the official Python convention for 'internal' symbols; "from module import *" does not import underscore-prefixed objects.
Edit: Reference to the single underscore convention
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Injecting a mock into an AngularJS service
...t has a method called getSomething:
angular.module('myModule', [])
.factory('myService', function (myDependency) {
return {
useDependency: function () {
return myDependency.getSomething();
}
};
});
You can inject a mock version of myDepe...