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Apache Spark: The number of cores vs. the number of executors
...s a little more concrete, here’s a worked example of configuring a Spark app to use as much of the cluster as
possible: Imagine a cluster with six nodes running NodeManagers, each
equipped with 16 cores and 64GB of memory. The NodeManager capacities,
yarn.nodemanager.resource.memory-mb and
yarn.no...
Easiest way to split a string on newlines in .NET?
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This is my favorite. I wrapped in an extension method and yield return current line: gist.github.com/ronnieoverby/7916886
– Ronnie Overby
Dec 11 '13 at 19:33
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How to crop circular area from bitmap in Android
...pported with hardware acceleration. I actually ran into that problem in an app and wondered what was going on. Newer hardware seems to fix this, however (like Google tablets). One possible further cleanup to your code: You don't need the rect-to-rect conversion when drawing the bitmap. You can jus...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...tack overflows (Performance of Array.push vs Array.unshift) which is what happens when the size of the array exceeds the size of the stack, and it has to be re-created. So there can actually, depending on the use case, be a performance increase when using new Array() because you can prevent the over...
Stock ticker symbol lookup API [closed]
...s track record closing apis I would be very hesitant to base a business or app on it unless you had a contract and sla with them
– Shawn Vader
Jan 7 '14 at 10:34
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Return anonymous type results?
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I like this approach but now I'm not sure how to display the dog's name. If I'm binding the result to a DataGrid, can I get the properties from Dog without defining them explicitly in the DogWithBreed class or do I have to create the get...
Find current directory and file's directory [duplicate]
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I hate it when I use this to append to sys.path. I feel so dirty right now.
– FlipMcF
Sep 26 '13 at 21:52
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How to get the current date/time in Java [duplicate]
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@Geek - System.currentTimeMillis() value is approximately UTC, and there is probably a difference (delta) between the local UTC clock and true UTC. System.currentTimeMillis() is independent of the local timezone ... well ... because it is UTC, and UTC is the same irre...
NHibernate vs LINQ to SQL
...t your domain running based on an existing database structure. For simple applications, this is perfectly acceptable (and oftentimes even preferable), but for more complex applications devs will often suggest using a domain driven design pattern instead (which is what NHibernate facilitates).
The ...
How to convert an xml string to a dictionary?
...lement) == 1 or element[0].tag != element[1].tag:
self.append(XmlDictConfig(element))
# treat like list
elif element[0].tag == element[1].tag:
self.append(XmlListConfig(element))
elif element.text:
te...