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Where can I learn how to write C code to speed up slow R functions? [closed]
...for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R?
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
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They help or they don't.
You need help or you don't.
If you know Unix and those tools do what you need them to do on Windows - then you are a happy guy and there is no need to learn PowerShell (unless you want to explore).
My original intent was to include a set of Unix tools in Windows and be...
Shards and replicas in Elasticsearch
I am trying to understand what shard and replica is in Elasticsearch, but I didn't manage to understand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?).
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
Ever since I upgraded my Samsung Galaxy S3 to android 4.3 (from 4.1.2) I am unable to use Chrome's remote debugging for android (more details here ).
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Difference between acceptance test and functional test?
What is the real difference between acceptance tests and functional tests?
11 Answers
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HTML: Include, or exclude, optional closing tags?
...unless I have a very good reason not to) because it lends to more readable and updateable code.
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NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
...are all pretty much the same, xUnit.NET has taken a pretty unique, modern, and flexible approach to unit testing. It changes terminology, so you no longer define TestFixtures and Tests...you specify Facts and Theories about your code, which integrates better with the concept of what a test is from a...
What is a deadlock?
...s try to access the same resource at the same time.
One process loses out and must wait for the other to finish.
A deadlock occurs when the waiting process is still holding on to another resource that the first needs before it can finish.
So, an example:
Resource A and resource B are used by pro...
jQuery SVG vs. Raphael [closed]
I'm working on an interactive interface using SVG and JavaScript/jQuery, and I'm trying to decide between Raphael and jQuery SVG . I'd like to know
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No identities were available - administrator request
...my app. I think there are invalid profiles because of iPhone Update to 5.1 and XCode update to 4.2.2.
13 Answers
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