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How do I make a LinearLayout scrollable?
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This is side effects, such as not being able to place scrollable elements inside a scrollview such as a listview.
– JoaoFilipeClementeMartins
Jan 23 '14 at 11:56
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Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
...eedsDisplayInRect: to update just the changed parts. This is working splendidly. However, when the graphics system updates my layer, it's transitioning from the old to the new image using a cross-fade. I'd like it to switch over instantly.
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How do you save/store objects in SharedPreferences on Android?
...n is better. First of all to use serialize, the object and every object inside it needs to implement the serialize interface. This is not needed for gson. gson also works great when your object is a list of objects.
– Neville Nazerane
Jan 19 '17 at 7:26
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Android Activity as a dialog
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To start activity as dialog I defined it like this in AndroidManifest.xml:
<activity android:theme="@android:style/Theme.Dialog" />
Use this property inside your activity tag to avoid that your Dialog appears in the recently used apps list
android:excludeFromRecents="true"...
Sending POST data in Android
...cripting languages, but I don't have a lot of experience with Java or Android.
15 Answers
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Uses for Optional
... so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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get the latest fragment in backstack
... fragment instance added in backstack (if I do not know the fragment tag & id)?
17 Answers
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How can I get Docker Linux container information from within the container itself?
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I've found out that the container id can be found in /proc/self/cgroup
So you can get the id with :
cat /proc/self/cgroup | grep -o -e "docker-.*.scope" | head -n 1 | sed "s/docker-\(.*\).scope/\\1/"
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Is there a way to “autosign” commits in Git with a GPG key?
...number of commits being signed. It may be convenient to use an agent to avoid typing your GPG passphrase several times.
That config is usually set per repo (you don't need to sign your private experimental local repos):
cd /path/to/repo/needing/gpg/signature
git config commit.gpgsign true
You...
What JSON library to use in Scala? [closed]
...m.codahale.jerkson.Json._
scala> val l = List(
Map( "id" -> 1, "name" -> "John" ),
Map( "id" -> 2, "name" -> "Dani")
)
scala> generate( l )
res1: String = [{"id":1,"name":"John"},{"id":2,"name":"Dani"}]
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