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Check whether a path is valid in Python without creating a file at the path's target
...ilesystems.
Contains no path components longer than 255 bytes (e.g., 'a'*256 in Python). A path component is a longest substring of a pathname containing no / character (e.g., bergtatt, ind, i, and fjeldkamrene in the pathname /bergtatt/ind/i/fjeldkamrene).
Syntactic correctness. Root filesystem. ...
What is the reason for having '//' in Python? [duplicate]
... future imports, and even flags on which Python's run, e.g....:
$ python2.6 -Qold -c 'print 2/3'
0
$ python2.6 -Qnew -c 'print 2/3'
0.666666666667
As you see, single / may floor, or it may return a float, based on completely non-local issues, up to and including the value of the -Q flag...;-).
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Python strftime - date without leading 0?
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Get button click inside UITableViewCell
... ManiMani
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
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/^[^-_]([a-z0-9-_]{4,20})[^-_]$/gi;
You're using a g (global) RegExp. In JavaScript, global regexen have state: you call them (with exec, test etc.) the first time, you get the first match in a given string. Call them again and ...
Programmatically find the number of cores on a machine
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726
C++11
#include <thread>
//may return 0 when not able to detect
const auto processor_coun...
Using Python String Formatting with Lists
I construct a string s in Python 2.6.5 which will have a varying number of %s tokens, which match the number of entries in list x . I need to write out a formatted string. The following doesn't work, but indicates what I'm trying to do. In this example, there are three %s tokens and the list ...
Where can I learn how to write C code to speed up slow R functions? [closed]
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answered Nov 5 '10 at 13:36
Dirk EddelbuettelDirk Eddelbuettel
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