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Use C++ with Cocoa Instead of Objective-C?
... on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple is forcing developers to write in Objective-C rather than C++, although I could be wrong.
...
What are the benefits of using C# vs F# or F# vs C#? [closed]
...your code is less error-prone (immutability, more powerful type system, intuitive recurive algorithms). You can code what you mean instead of what the computer wants you to say ;-) You will find many discussions like this when you google it or even search for it at SO.
Special F#-advantages:
Asyn...
Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
...
Detecting that the browser has no mouse and is touch-only
...en change it right after he's made the effort to pinpoint your now crowded UI?
In bullet form, quoting stucox at https://github.com/Modernizr/Modernizr/issues/869#issuecomment-15264101
We want to detect the presence of a mouse
Ae probably can't detect before an event is fired
As such, wh...
Objective-C ARC: strong vs retain and weak vs assign
...ables and local variables are strong pointers.
We generally use strong for UIViewControllers (UI item's parents)
strong is used with ARC and it basically helps you , by not having to worry about the retain count of an object. ARC automatically releases it for you when you are done with it.Using t...
iOS app error - Can't add self as subview
...h to turn animation back ON, then the correct strategy is to implement the UINavigationControllerDelegate protocol.
This includes the following method, which is called after the animation is complete:
navigationController:didShowViewController:animated:
Basically you want to move some code as nee...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...
Try this:
if (Build.VERSION.SDK_INT <19){
Intent intent = new Intent();
intent.setType("image/jpeg");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, getResources().getStr...
How to check if an object is a certain type
....DataSource = cmd.ExecuteReader
If Obj.GetType() Is GetType(System.Web.UI.WebControls.DropDownList) Then
End If
Obj.DataBind()
End Sub
You can also use the TypeOf operator instead of the GetType method. Note that this tests if your object is compatible with the given type, not that i...
What is the benefit of using Fragments in Android, rather than Views?
...ore light weight and simpler to implement.
At first, I actually tried to build a phone/tablet app using custom views. Everything appeared to work across phones AND tablets, even switching from single panel to split panel. Where I ran into trouble was with the back button and life cycle. Since I ...
Using Custom Domains With IIS Express
... as non-admin, IIS Express seems to ignore the 2nd binding - if I open its UI from the notification icon, IIS shows my site as running, but only shows the first binding, and I can only use localhost... If I'm running as admin, it shows both bindings in the UI, and both work.) I've added the urlacls ...