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What is the difference between the states selected, checked and activated in Android?
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The difference between Checked and Activated is actually quite interesting. Even the Google documentation is apologetic (emphasis below added):
... For example, in a list view with single or multiple selection
enabled, the views in the current selection set are activated. (Um...
Set Locale programmatically
My app supports 3 (soon 4) languages. Since several locales are quite similar I'd like to give the user the option to change locale in my application, for instance an Italian person might prefer Spanish over English.
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How to use WeakReference in Java and Android development?
...id isn't any different than using one in plain old Java. Here is a great guide which gives a detailed explanation: Understanding Weak References.
You should think about using one whenever you need a reference to an object, but you don't want that reference to protect the object from the garbage co...
Could someone explain the pros of deleting (or keeping) unused code?
... have
worked hard on are understandable. But part of being professional
requires that those thoughts have to be put to one side for the better
good. Time stands for no-one and there is no place for preserving historical code in a working codebase.
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Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
...ods are used for giving size hints: http://docs.oracle.com/javase/tutorial/uiswing/layout/using.html#sizealignment.
They may also be overridden (which is the best practice for Swing) when extending a Swing component (rather than calling the method on the custom component instance)
Most importantly...
Understanding the Event Loop
...based on code instead of a description of code, which leaves a lot of ambiguity.
– Peter Lyons
Apr 6 '15 at 21:14
yout...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...precated, and are mainly for pre-SQL Server 2000 compatibility. Although, quite unfortunately SQL_Latin1_General_CP1_CI_AS is very common due to it being the default when installing on an OS using US English as its language. These collations should be avoided if at all possible.
Windows collations ...
Understanding NSRunLoop
...utton press) that sleeps. You will block the main run loop (and the whole UI) until that method completes.
The same applies to any run loop.
I suggest you read the following documentation on run loops:
https://developer.apple.com/documentation/foundation/nsrunloop
and how they are used within t...
How to declare global variables in Android?
I am creating an application which requires login. I created the main and the login activity.
17 Answers
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REST vs JSON-RPC? [closed]
...o change service implementation without breaking clients:
Clients are required to know procedure names;
Procedure parameters order, types and count matters. It's not that easy to change procedure signatures(number of arguments, order of arguments, argument types etc...) on server side without brea...