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Preview layout with merge root tag in Intellij IDEA/Android Studio
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There is a new parentTag tools attribute (added in Android Studio 2.2) that you can use to specify the layout type for a merge tag, which will make the layout render correctly in the layout editor preview.
So using your example:
<merge xmlns:android="http://schemas.android.com/apk/...
Python - When to use file vs open
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You should always use open().
As the documentation states:
When opening a file, it's preferable
to use open() instead of invoking this
constructor directly. file is more
suited to type testing (for example,
writing "isinstance(f, file)").
Also, file() has be...
Android update activity UI from service
...ntly I've started using a different approach to Service/Activity communication:
Use a bound service which enables the Activity to get a direct
reference to the Service, thus allowing direct calls on it, rather
than using Intents.
Use RxJava to execute asynchronous operations.
If the Service needs ...
Difference between wait() and sleep()
...ereas you call sleep on Thread.
Yet another point is that you can get spurious wakeups from wait (i.e. the thread which is waiting resumes for no apparent reason). You should always wait whilst spinning on some condition as follows:
synchronized {
while (!condition) { mon.wait(); }
}
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Why is the String class declared final in Java?
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Unless there's a connection between final classes and immutable objects that I'm not seeing, I don't see how your answer relates to the question.
– sepp2k
Jan 15 '10 at 1:21
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How to display Base64 images in HTML?
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thankyou for taking the time to answer my question... that js fiddle simply outputs a red dot?? is that what it is meant to do?
– Christopher
Dec 14 '11 at 5:11
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What's the difference between Task.Start/Wait and Async/Await?
...r order, a friend walks in and sits down next to you and starts a conversation. Now you have two choices. You can ignore your friend until the task is complete -- you can wait until your soup arrives and do nothing else while you are waiting. Or you can respond to your friend, and when your friend s...
Using comparison operators in Scala's pattern matching system
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You can add a guard, i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially differ...
How can I safely encode a string in Java to use as a filename?
...ginal file, SHA-1 or any other hashing scheme is not the answer. If collisions must be avoided, then simple replacement or removal of "bad" characters is not the answer either.
Instead you want something like this. (Note: this should be treated as an illustrative example, not something to copy an...
How to display count of notifications in app launcher icon [duplicate]
samsung galaxy note 2 android version 4.1.2
5 Answers
5
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