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Python memory usage of numpy arrays
...'s answer first creates a list and then converts it to an array, that's beside the point, since the OP already has an array... The point is how to get the size of a numpy array, so it's not critical how you got the array in the first place. One could similarly criticize this answer by saying that it...
lock(new object()) — Cargo cult or some crazy “language special case”?
... who saw this:
private readonly object lockObj = new object();
private void MyMethod()
{
lock(lockObj)
{
// do amazing stuff, so amazing it can only run once at a time
// e.g. comands on the Mars Rover, or programs on iOS pre 4 / 5 ??
}
}
and thought he could cut the ...
How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
...
@Novelocrat: I didn't mean that there's no need to #include anything. I merely meant that it is always easy to find the name of the proper header for a standard function. I.e. it is not really critical to mention the exact header name in the...
Logout: GET or POST?
...ation on the differences between GET and POST in the general sense, but I did not find a definite answer for this particular scenario.
...
How do I strip non alphanumeric characters from a string and keep spaces?
...
The empty space didn't work for me, so '\s' may also be an option: @search_query.gsub(/[^0-9a-z\\s]/i, '')
– David Douglas
Dec 6 '13 at 12:09
...
How to copy directories in OS X 10.7.3?
...<destdir>
The above only copies the files and their directories inside of sourcedir. Typically, you want to include the directory you're copying, so drop the trailing slash:
cp -R <sourcedir> <destdir>
...
What is the maximum characters for the NVARCHAR(MAX)?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Difference between solr and lucene
...search capability to our application. It exposes an easy-to-use API while hiding all the search-related complex operations. Any application can use this library, not just Solr.
3) Solr is built around Lucene. It is not just an http-wrapper around Lucene but has been known to add more arsenal to Luc...
How to apply an XSLT Stylesheet in C#
...0130329123237/http://www.csharpfriends.com/Articles/getArticle.aspx?articleID=63
From the article:
XPathDocument myXPathDoc = new XPathDocument(myXmlFile) ;
XslTransform myXslTrans = new XslTransform() ;
myXslTrans.Load(myStyleSheet);
XmlTextWriter myWriter = new XmlTextWriter("result.html",null) ...
Check if value already exists within list of dictionaries?
... above code can give you a KeyError. You can fix this by using get and providing a default value. If you don't provide a default value, None is returned.
if not any(d.get('main_color', default_value) == 'red' for d in a):
# does not exist
...