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Where can I learn how to write C code to speed up slow R functions? [closed]
...very efficient) C code one can study, and CRAN has hundreds of packages, some from authors you trust. That provides real, tested examples to study and adapt.
But as Josh suspected, I lean more towards C++ and hence Rcpp. It also has plenty of examples.
Edit: There were two books I found helpful:
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How to split a string with any whitespace chars as delimiters
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Something in the lines of
myString.split("\\s+");
This groups all white spaces as a delimiter.
So if I have the string:
"Hello[space][tab]World"
This should yield the strings "Hello" and "World" and omit the empty space...
How to completely remove a dialog on close
...etely destroy and remove the div again. How can I do this? My code looks something like this at the moment:
7 Answers
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Is there a way to force ASP.NET Web API to return plain text?
...nstead return the content like this:
[HttpGet]
public HttpResponseMessage HelloWorld()
{
string result = "Hello world! Time is: " + DateTime.Now;
var resp = new HttpResponseMessage(HttpStatusCode.OK);
resp.Content = new StringContent(result, System.Text.Encoding....
How to convert an int to a hex string?
... chr(65) = 'A'. Is this a new addition?
– diedthreetimes
Nov 21 '12 at 20:17
2
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Clone only one branch [duplicate]
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From the announcement Git 1.7.10 (April 2012):
git clone learned --single-branch option to limit cloning to a single branch (surprise!); tags that do not point into the history of the branch are not fetched.
Git actually allows yo...
What do the f and t commands do in Vim?
Can somebody explain to me what the f and t commands do in vim and exactly how they work? I can't seem to find this information but people keep telling me that they are very useful. Would really appreciate an answer with an example if possible, thanks!
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Where can I find “make” program for Mac OS X Lion?
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go to the Downloads tab within the Xcode Preferences menu and click "Install" next to the Command Line Tools entry
– williamC
Aug 27 '13 at 15:41
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Disabling browser caching for all browsers from ASP.NET
... from caching the page. There are many ways to affect the HTTP headers and meta tags and I get the impression different settings are required to get different browsers to behave correctly. It would be really great to get a reference bit of code commented to indicate which works for all browsers and ...
Plotting time in Python with Matplotlib
I have an array of timestamps in the format (HH:MM:SS.mmmmmm) and another array of floating point numbers, each corresponding to a value in the timestamp array.
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