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Check for internet connection availability in Swift
...s article which shows a simple method to check for network availability. I set out to translate this to Swift. I hit many snags but thanks to Martin R from StackOverflow, I managed to resolve them and finally get a workable solution in Swift. Here is the code.
import Foundation
import SystemConfigu...
jQuery find element by data attribute value
...ks down the tree
Get the descendants of each element
in the current set of matched elements, filtered by a selector, jQuery object, or element.
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Best Way to read rss feed in .net Using C#
...
}
public class FeedItem {
public string Title {
get;
set;
}
public string Link {
get;
set;
}
}
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How to update a menu item shown in the ActionBar?
... and both contribute MenuItems to the Menu. I have one MenuItem that I've set the attribute android:showAsAction to have it show as a button on the ActionBar. Which works fine.
...
React.js: Wrapping one component into another
...xample:
const Counter = () => (
<State initial={0}>
{(val, set) => (
<div onClick={() => set(val + 1)}>
clicked {val} times
</div>
)}
</State>
);
You can get even more fancy and even provide an object
<Promise promise={somePr...
How many constructor arguments is too many?
...to write client code.
@contagious suggested using the default pattern and setters for optional attributs. That mandates that the fields are mutable, but that's a minor problem.
Joshua Block on Effective Java 2 say that in this case you should consider a builder. An example taken from the book:
p...
Check play state of AVPlayer
... id playerObserver;
Float64 durationSeconds = CMTimeGetSeconds([<#An asset#> duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime secondThird = CMTimeMakeWithSeconds(durationSeconds*2.0/3.0, 1);
NSArray *times = [NSArray arrayWithObjects:[NSValue valueWithCMTi...
How do I use prepared statements in SQlite in Android?
...ring(2, stringValue + i);
statement.executeInsert();
}
db.setTransactionSuccessful(); // This commits the transaction if there were no exceptions
} catch (Exception e) {
Log.w("Exception:", e);
} finally {
db.endTransaction();
}
Check out these links for some more good in...
Recommended way to save uploaded files in a servlet application
...
File uploads = new File("/path/to/uploads");
Environment variable via SET UPLOAD_LOCATION=/path/to/uploads:
File uploads = new File(System.getenv("UPLOAD_LOCATION"));
VM argument during server startup via -Dupload.location="/path/to/uploads":
File uploads = new File(System.getProperty("up...
iPhone SDK: what is the difference between loadView and viewDidLoad?
... up with an infinite stack trace
Don't read self.view in -loadView. Only set it, don't get it.
The self.view property accessor calls -loadView if the view isn't currently loaded. There's your infinite recursion.
The usual way to build the view programmatically in -loadView, as demonstrated in Ap...