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How can a web application send push notifications to iOS devices? [closed]
..., only native iOS applications support push notifications.
UPDATE:
Mac OS X 10.9 & Safari 7 websites can now also send push notifications, but this still does not apply to iOS.
Read the Notification Programming Guide for Websites. Also check out WWDC 2013 Session 614.
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How do I call some blocking method with a timeout in Java?
...
You could use an Executor:
ExecutorService executor = Executors.newCachedThreadPool();
Callable<Object> task = new Callable<Object>() {
public Object call() {
return something.blockingMethod();
}
};
Future<Object>...
Setting property 'source' to 'org.eclipse.jst.jee.server:JSFTut' did not find a matching property
... is pretty huge. This particular warning basically means that the <Context> element in Tomcat's server.xml contains an unknown attribute source and that Tomcat doesn't know what to do with this attribute and therefore will ignore it.
Eclipse WTP adds a custom attribute source to the project r...
Difference between timestamps with/without time zone in PostgreSQL
...rpreted.
The effects of time zones on these data types is covered specifically in the docs. The difference arises from what the system can reasonably know about the value:
With a time zone as part of the value, the value can be rendered as a local time in the client.
Without a time zone as part o...
how to generate migration to make references polymorphic
...ass AddImageableToProducts < ActiveRecord::Migration
def up
change_table :products do |t|
t.references :imageable, polymorphic: true
end
end
def down
change_table :products do |t|
t.remove_references :imageable, polymorphic: true
end
end
end
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What is the maximum depth of the java call stack?
... if we don't mention the Xss, then?
– a3.14_Infinity
Jul 4 '16 at 7:52
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Using Vim's persistent undo?
...eep undo history across sessions by storing it in a file
if has('persistent_undo')
let myUndoDir = expand(vimDir . '/undodir')
" Create dirs
call system('mkdir ' . vimDir)
call system('mkdir ' . myUndoDir)
let &undodir = myUndoDir
set undofile
endif
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How can I mask a UIImageView?
... UIImage(named: "right_challenge_bg")?.cgImage] as Any
mask.frame = CGRect(x: 0, y: 0, width: leftBGImage.frame.size.width, height: leftBGImage.frame.size.height)
leftBGImage.layer.mask = mask
leftBGImage.layer.masksToBounds = true
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Setting multiple attributes for an element at once with JavaScript
...rs[key]);
}
}
Call it like this:
setAttributes(elem, {"src": "http://example.com/something.jpeg", "height": "100%", ...});
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Does Ruby have a string.startswith(“abc”) built in method?
Does Ruby have a some_string.starts_with("abc") method that's built in?
4 Answers
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