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Can an ASP.NET MVC controller return an Image?
...eCollection).Action(actionMethodName, typeof(T).Name.Remove(typeof(T).Name.IndexOf("Controller"))).ToString();
//string url = LinkBuilder.BuildUrlFromExpression<T>(helper.ViewContext.RequestContext, helper.RouteCollection, action);
return string.Format("<img src=\"{...
C++ performance challenge: integer to std::string conversion
...me shortcuts in the sprintf implementation, I already mentioned that in my question, but I believe the code-to-beat gives exactly the same result as stringstream.
– Ben Voigt
Dec 4 '10 at 2:57
...
Show the progress of a Python multiprocessing pool imap_unordered call?
...ook at the __dict__ of the imap_unordered result object, I found it has a _index attribute that increments with each task completion. So this works for logging, wrapped in the while loop:
p = multiprocessing.Pool()
rs = p.imap_unordered(do_work, xrange(num_tasks))
p.close() # No more work
while (Tr...
Why is “final” not allowed in Java 8 interface methods?
...
This question is, to some degree, related to What is the reason why “synchronized” is not allowed in Java 8 interface methods?
The key thing to understand about default methods is that the primary design goal is interface evo...
Does MongoDB's $in clause guarantee order
...are retrieved. That of course will be the natural order or by the selected index order as shown.
If you need to preserve this order, then you basically have two options.
So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in to the $i...
Using Regex to generate Strings rather than match them
...s to generate strings (random generation, generating a string based on its index, generating all strings...).
Example :
Generex generex = new Generex("[0-3]([a-c]|[e-g]{1,2})");
// generate the second String in lexicographical order that matches the given Regex.
String secondString = generex.getM...
Selecting the first “n” items with jQuery
...r performance in modern browsers, use $("your-pure-css-selector").slice(0, index) instead.
So use $("selector").slice(from, to) for better performances.
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How to Correctly Use Lists in R?
...t lists.
R lists are very much like a hash map data structure in that each index value can be associated with any object. Here's a simple example of a list that contains 3 different classes (including a function):
> complicated.list <- list("a"=1:4, "b"=1:3, "c"=matrix(1:4, nrow=2), "d"=searc...
What's wrong with Java Date & Time API? [closed]
...00-) in the Java world as a result of this banal decision.
Months are zero indexed, to cater for the spectacularly unusual case of having an array-of-months and not living with a thirteen element array, the first of which containing a null. As a result, we have 0..11 (and today being month 11 of the...
Extract hostname name from string
...nd & remove protocol (http, ftp, etc.) and get hostname
if (url.indexOf("//") > -1) {
hostname = url.split('/')[2];
}
else {
hostname = url.split('/')[0];
}
//find & remove port number
hostname = hostname.split(':')[0];
//find &...