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Does Qt support virtual pure slots?
...generated by MOC does call the pure virtual slots, but that's ok since the base class can't be instantiated anyway...
Again, just like regular c++ pure virtual methods, the class cannot be instantiated until the methods are given an implementation.
One thing: in the subclass, you actuallly don't n...
Logback to log different messages to two files
...s.logback.core.rolling.RollingFileAppender">
<file>${catalina.base}/logs/worker.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${catalina.base}/logs/worker-%d{yyyy-MM-dd_HH}.log</fileNamePattern>...
Fling gesture detection on grid layout
...nds Activity implements OnClickListener {
private static final int SWIPE_MIN_DISTANCE = 120;
private static final int SWIPE_MAX_OFF_PATH = 250;
private static final int SWIPE_THRESHOLD_VELOCITY = 200;
private GestureDetector gestureDetector;
View.OnTouchListener gestureListener;
@Overr...
How to alias a table in Laravel Eloquent queries (or using Query Builder)?
...orts aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Schema::create('really_long_table_name', function($tabl...
Most efficient way to cast List to List
I have a List<SubClass> that I want to treat as a List<BaseClass> . It seems like it shouldn't be a problem since casting a SubClass to a BaseClass is a snap, but my compiler complains that the cast is impossible.
...
How can I upload files asynchronously?
...
Can I then use $_FILES in the upload.php?
– Alessandro Cosentino
Nov 2 '12 at 13:41
73
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INotifyPropertyChanged vs. DependencyProperty in ViewModel
...ssed
on the thread on which it was
created
I prefer the POCO approach. A base class for PresentationModel (aka ViewModel) which implements INotifyPropertyChanged interface can be found here: http://compositeextensions.codeplex.com
...
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
...rate, and even when it wasn't, it was usually clear what to do next):
RoT based on improving convergence:
When you begin the model building, err on the side of more nodes
in the hidden layer.
Why? First, a few extra nodes in the hidden layer isn't likely do any any harm--your MLP will still...
When to use @QueryParam vs @PathParam
...
This is what I do.
If there is a scenario to retrieve a record based on id, for example you need to get the details of the employee whose id is 15, then you can have resource with @PathParam.
GET /employee/{id}
If there is a scenario where you need to get the details of all employees ...
Copy constructor versus Clone()
...), both of which return T? The latter syntax would allow T to be inferred based upon the argument.
– supercat
Jul 27 '10 at 17:50
...