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What is the difference between Collection and List in Java?
...rs do not.
Some are ordered and others unordered.
The JDK does not provide any direct
implementations of this interface: it
provides implementations of more
specific subinterfaces like Set and
List. This interface is typically used
to pass collections around and
manipulate them where...
What does value & 0xff do in Java?
...swered Apr 17 '15 at 14:53
AndroidGeekAndroidGeek
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When saving, how can you check if a field has changed?
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Essentially, you want to override the __init__ method of models.Model so that you keep a copy of the original value. This makes it so that you don't have to do another DB lookup (which is always a good thing).
class Person(models.Model):
name = mode...
How to keep/exclude a particular package path when using proguard?
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Double asterisks (**) doesn't compile anymore (Android Studio 4.0)
– Daniel
Jun 24 at 22:49
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What is the full path to the Packages folder for Sublime text 2 on Mac OS Lion
...this question anywhere so I can only assume I'm doing something really stupid but...
5 Answers
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C# Iterate through Class properties
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@Cordell, how did you do that? I tried property.GetValue() but it asks for an object as parameter.
– user7792598
Aug 16 '18 at 19:52
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How can I set the Sender's address in Jenkins?
...l without writing custom scripts to send email.
– insider
Mar 13 '19 at 10:30
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Determine when a ViewPager changes pages
I have three pages (Fragments) inside a ViewPager, however I only want to display a menu item for two of those pages.
5 Ans...
Android - how do I investigate an ANR?
... the "main" thread. This is the event loop thread, and if it is busy, Android cannot process any further GUI events in the application, and thus throws up an ANR dialog.
Now, in the trace you posted, the main thread seems to be doing fine, there is no problem. It is idling in the MessageQueue, wait...
The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
... the T? C# syntactic sugar with non-nullable value types such as int and Guid.
In particular, as string is a reference type, an expression of type string can already be null:
string lookMaNoText = null;
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