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When and why should I use fragments in Android applications? [duplicate]
I often need the different parts of my applications to have their own special behavior and UI, and I don't know how fragments can help. In most cases, I think it is quicker to create 2 different activities (e.g., 1 for tablets and 1 for handsets), and to share the common behaviors and events in a th...
WebRTC vs Websockets: If WebRTC can do Video, Audio, and Data, why do I need Websockets? [closed]
So I'm looking to build a chat app that will allow video, audio, and text. I spent some time researching into Websockets and WebRTC to decide which to use. Since there are plenty of video and audio apps with WebRTC, this sounds like a reasonable choice, but are there other things I should consider? ...
Launching Spring application Address already in use
I have this error launching my spring application:
25 Answers
25
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Delete terminal history in Linux [closed]
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Does not work on my Ubuntu 14.04 machine. History just appears with new terminal. All that worked is >~/bash_history. Have to restart terminal for this though.
– Aniket Thakur
Jun 18 '15 at 16:53
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What is the purpose of “android.intent.category.DEFAULT”?
... Default doesn't mean that this Activity will be used by default when your app launches. The Activity just says to system that " Oh I could be started, even if the starter Intent's category is set to Nothing at all ! "
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Programmatically shut down Spring Boot application
How can I programmatically shutdown a Spring Boot application without terminating the VM ?
5 Answers
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Removing all empty elements from a hash / YAML?
...e here for the benchmark.
In case you want to backport it to your Rails 3 app:
# config/initializers/rails4_backports.rb
class Hash
# as implemented in Rails 4
# File activesupport/lib/active_support/core_ext/hash/compact.rb, line 8
def compact
self.select { |_, value| !value.nil? }
e...
The source was not found, but some or all event logs could not be searched
...rce, you will see an exception like the one you have described.
The usual approach for handling such issues is to register event log sources at installation time (under an administrator account), then assume that they exist at runtime, allowing any resulting exception to be treated as unexpected if...
Android; Check if file exists without creating a new one
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It worked for me:
File file = new File(getApplicationContext().getFilesDir(),"whatever.txt");
if(file.exists()){
//Do something
}
else{
//Nothing
}
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How to get RelativeLayout working with merge and include?
...source code shows that id, visibility and layout_* tags overriding are not applied when the root element is a merge tag, unfortunately. As you can't have a View as the xml root, we must have an extra ViewGroup there...
– Rafael Nobre
Jul 24 '13 at 13:20
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