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Java - Method name collision in interface implementation
...d ? I cannot even expect client code to be able to cast my instance to the appropriate interface , so am I not loosing something by this restriction ? Also note that in this way , when writing classes that actually implement the respective interfaces , we loose the benefit of having the code into a ...
How to set default values in Rails?
...use the same default to be set in any model using it in any standard Rails app.
However, if you only want default values set in specific cases -- say, it's an inherited model that shares a table with some others -- then another elegant way is do it directly in your Rails code when the model object ...
How to set delay in android?
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If you use delay frequently in your app, use this utility class
import android.os.Handler;
public class Utils {
// Delay mechanism
public interface DelayCallback{
void afterDelay();
}
public static void delay(int secs, final DelayC...
Is it possible to declare git repository as dependency in android gradle?
...edited Jul 31 '19 at 21:56
Code-Apprentice
65.3k1717 gold badges106106 silver badges211211 bronze badges
answered Sep 20 '15 at 17:07
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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
I'm new to android and I'm trying to understand the difference between getApplication() , getApplicationContext( ), getBaseContext() , getContext() and someClass.this and especially when to use the these methods in the following code lines:
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How to close tag properly?
... to worry about is writing valid HTML. The odds to have to migrate an HTML app to XHTML is close to nil.
– Fabrício Matté
Feb 13 '13 at 21:00
1
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gunicorn autoreload on source change
...nality on production. If you think you need it - you need to rethink your approach for dev or deployment.
– Dmitry Ziolkovskiy
May 9 '17 at 10:52
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Django connection to PostgreSQL: “Peer authentication failed”
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Had the same problem with a Rails app, and it was the same solution - the host needed to be configured in config/database.yml - that is to say, in that file I needed to add the line host: localhost (or wherever you postgres server is - mine was local)
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Cross-browser custom styling for file upload button [duplicate]
...t the answers there either involved JavaScript, or suggested Quirksmode's approach .
7 Answers
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Practical use of `stackalloc` keyword
... @MaxBarraclough Because you add the GC cost to heap allocations over the application lifetime. Total allocation cost = allocation + deallocation, in this case pointer bump + GC Heap, vs pointer bump + pointer decrement Stack
– Pop Catalin
Dec 18 '18 at 10:04
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