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Node.js get file extension
...d of split() & pop()
Have a look at the performance differences here: http://jsperf.com/remove-first-character-from-string
// returns: 'html'
var path = require('path');
path.extname('index.html').substr(1);
Update August 2019
As pointed out by @xentek in the comments; substr() is now cons...
Set default CRAN mirror permanent in R
...a CRAN mirror
# local({r <- getOption("repos")
# r["CRAN"] <- "http://my.local.cran"
# options(repos=r)})
So remove the comment marks and change "http://my.local.cran" to the correct website, e.g.:
local({r <- getOption("repos")
r["CRAN"] <- "http://cran.r-project.o...
Getting a map() to return a list in Python 3.x
I'm trying to map a list into hex, and then use the list elsewhere. In python 2.6, this was easy:
9 Answers
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What are the dangers when creating a thread with a stack size of 50x the default?
... critical program and one path I decided to explore that may help reduce resource consumption was increasing my worker threads' stack size so I can move most of the data ( float[] s) that I'll be accesing onto the stack (using stackalloc ).
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How to set request headers in rspec request spec?
In the controller spec, I can set http accept header like this:
10 Answers
10
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Virtual Memory Usage from Java under Linux, too much memory used
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This has been a long-standing complaint with Java, but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here's a wa...
How to validate GUID is a GUID
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See if these helps :-
Guid guidResult = Guid.Parse(inputString)
(http://msdn.microsoft.com/en-us/library/system.guid.parse.aspx)
bool isValid = Guid.TryParse(inputString, out guidOutput)
http://msdn.microsoft.com/en-us/library/system.guid.tryparse.aspx
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Replace only some groups with Regex
Let's suppose I have the following regex:
7 Answers
7
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How do I find the location of Python module sources?
...memodule.c
You can also find the latest Mercurial version on the web at
https://hg.python.org/cpython/file/tip/Modules/_datetimemodule.c
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How do I get the Git commit count?
I'd like to get the number of commits of my Git repository, a bit like SVN revision numbers.
21 Answers
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