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How to include a child object's child object in Entity Framework 5
...) method which takes a lambda expression instead of a string. You can then Select() over children with Linq expressions rather than string paths.
return DatabaseContext.Applications
.Include(a => a.Children.Select(c => c.ChildRelationshipType));
...
Hand Coded GUI Versus Qt Designer GUI [closed]
...e but with all generated code, once you edit it, you can no longer go back and regenerate it without losing your edits. We ended up just taking the generated code and doing everything by hand henceforth.
Qt4
Qt4 has improved on Designer significantly. No longer does it only generate code, but you ...
What is DOCTYPE?
...de), depending on the exact spelling of the DOCTYPE. You want to use it to select a browser mode that best suits your page.
Formally, in SGML and XML, a DOCTYPE declaration is a reference to a Document Type Definition (DTD), which specifies the formal syntax rules of the markup language. No browser...
When to favor ng-if vs. ng-show/ng-hide?
I understand that ng-show and ng-hide affect the class set on an element and that ng-if controls whether an element is rendered as part of the DOM.
...
What do the plus and minus signs mean in Objective-C next to a method?
In Objective-C, I would like to know what the + and - signs next to a method definition mean.
4 Answers
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Remove duplicated rows using dplyr
...ce(from = 1, to = 1)
Or maybe a variation of unique() that would let you select which
variables to use:
df %>% unique(x, y)
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Connect to a heroku database with pgadmin
...ase (postgres instance in Heroku), do the following:
Login to Heroku, and select the application in which you have the database
Select the Resources tab and then click on "Heroku Postgres Ad-on" (see below). This will open up a new tab.
Select the Settings tab and then click on "View Credential...
jQuery .on function for future elements, as .live is deprecated [duplicate]
...
jQuery's documentation shows you would replace
$(selector).live(event, handler)
with
$(document).on(event, selector, handler)
Also you have the option to be more precise and replace $(document) with a selector for a static parent of the element. For example, if you ...
Easier way to populate a list with integers in .NET [duplicate]
... numbers = Enumerable.Range(from, end - from + 1)
.Select(n => f(n))
.ToList();
For example:
var primes = Enumerable.Range(1, 10)
.Select(n => Prime(n))
.ToList();
would generate the first ten pr...
How to remove all callbacks from a Handler?
I have a Handler from my sub-Activity that was called by the main Activity . This Handler is used by sub-classes to postDelay some Runnables, and I can't manage them. Now, in the onStop event, I need to remove them before finishing the Activity (somehow I called finish() , but it still call ...