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Getting an object from an NSSet
...containsObject to test for membership, use anyObject to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't care about order, and want fast membership testing.
...
Select distinct values from a table field
...uery, not even the default ordering, call order_by() with no parameters.
and distinct() in the note where it discusses issues with using distinct() with ordering.
To query your DB, you just have to call:
models.Shop.objects.order_by().values('city').distinct()
It returns a dictionnary
or
mod...
How do I parallelize a simple Python loop?
...like concurrent.futures for this, available in Python3 since version 3.2 - and via backport to 2.6 and 2.7 on PyPi.
You can use threads or processes and use the exact same interface.
Multiprocessing
Put this in a file - futuretest.py:
import concurrent.futures
import time, random #...
Is there a `pointer-events:hoverOnly` or similar in CSS?
...ef="www.google.com">Link here</a>
Edit:
supported in IE 11 and above
http://caniuse.com/#search=pointer-events
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ASP.NET MVC partial views: input name prefixes
...
return helper.Partial(partialViewName, model, viewData);
}
and simply use it in your views like this :
<%= Html.PartialFor(model => model.Child, "_AnotherViewModelControl") %>
and you will see everything is ok!
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Can't start site in IIS (use by another process)
...
Check using netstat -aon or netstat -aon | findstr 0.0:80 in a command prompt to see which Process Id is LISTENING to port :80 and then watch for that Process Id (PID) in Task Manager with view->select columns-> process id checked. End that process, restart IIS and you are done. (Note:...
REST / SOAP endpoints for a WCF service
I have a WCF service and I want to expose it as both a RESTfull service and as a SOAP service.
Anyone has done something like this before?
...
Set ImageView width and height programmatically?
How can I set an ImageView 's width and height programmatically?
14 Answers
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How do I get NuGet to install/update all the packages in the packages.config?
...install/update all the packages needed? Does this need to be done via command line for each project?
17 Answers
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How to customize ?
...o" />
The CSS for the form control will make it appear invisible and not take up space in the document layout, but will still exist so it can be activated via the label.
If you want to display the user’s chosen path after selection, you can listen for the change event with JavaScript an...