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Eager load polymorphic
...y guess is that your models look like this:
class User < ActiveRecord::Base
has_many :reviews
end
class Review < ActiveRecord::Base
belongs_to :user
belongs_to :reviewable, polymorphic: true
end
class Shop < ActiveRecord::Base
has_many :reviews, as: :reviewable
end
You are unab...
How to convert a number to string and vice versa in C++
... = 0);
int stoi(const string& str, size_t *idx = 0, int base = 10);
long stol(const string& str, size_t *idx = 0, int base = 10);
unsigned long stoul(const string& str, size_t *idx = 0, int base = 10);
long long stoll(const string& str, size...
Put content in HttpResponseMessage object?
...pass objects not just strings to CreateResponse and it will serialize them based on the request's Accept header. This saves you from manually choosing a formatter.
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In what order are Panels the most efficient in terms of render time and performance?
... of the parent) results in horrible performance. I created a layout panel based on the Canvas which achieved my desired result with minimal work (I copied the source for the canvas and modified around 20 lines of it).
Available Panels:
Canvas
Defines an area within which you can explicitly ...
Same Navigation Drawer in different Activities
... tutorial, to see how you can do this.
Without fragments:
This is your BaseActivity Code:
public class BaseActivity extends Activity
{
public DrawerLayout drawerLayout;
public ListView drawerList;
public String[] layers;
private ActionBarDrawerToggle drawerToggle;
private Ma...
Redirecting to a certain route based on condition
I'm writing a small AngularJS app that has a login view and a main view, configured like so:
11 Answers
...
Cross cutting concern example
...output: Just a few weeks ago I refactored a complex, but not too big code base (around 250K lines of code) for a client. In a few hundred classes one kind of logging framework was used, in another few hundred another. Then there were several thousand lines of System.out.println(*) where there reall...
How to Add Stacktrace or debug Option when Building Android Studio Project
...e gradle command line flags from
File > Settings > Compiler (Gradle-based Android Project)
For MacOS user, it's here
Android Studio > Preferences > Build, Execution, Deployment > Compiler
like this (add --stacktrace or --debug)
(Note that the screenshot is from before 0.8.10...
Do I have to Close() a SQLConnection before it gets disposed?
...oup = null;
this.Close();
}
this.DisposeMe(disposing);
base.Dispose(disposing);
}
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Difference between EXISTS and IN in SQL?
...d returns everything from table and table2. In some (mostly older) SQL databases the in query will get implemented as a nested join, while the join query can be nested, merged, hashed, etc - whatever's quickest.
– Keith
Aug 5 '15 at 19:43
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