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delegate keyword vs. lambda notation
...hing trick)...
using System;
using System.Linq.Expressions;
public class Base
{
public void Foo(Action action)
{
Console.WriteLine("I suspect the lambda expression...");
}
}
public class Derived : Base
{
public void Foo(Action<int> action)
{
Console.Write...
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>...
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...
ASP.NET WebApi vs MVC ? [closed]
...care of returning data in particular format like
JSON,XML or any other based upon the Accept header in the request
and you don't worry about that. MVC only return data in JSON format
using JsonResult.
4. In Web API the request are mapped to the actions based on HTTP verbs
but in MVC...
Java string to date conversion
...08; -0800; -08:00
Note that the patterns are case sensitive and that text based patterns of four characters or more represent the full form; otherwise a short or abbreviated form is used if available. So e.g. MMMMM or more is unnecessary.
Here are some examples of valid SimpleDateFormat patterns to...
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.
...
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
...
How to watch for array changes?
...y to be notified when an array is modified using push, pop, shift or index-based assignment? I want something that would fire an event that I could handle.
...
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
...