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Removing All Child Views from View

...uld I remove all child views from a widget? For example, I have a GridView and I dynamically inflate many other LinearLayouts into it; later in my application I am looking to start fresh with that GridView and clear all of its child Views. How would I do this? TIA. ...
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JPA: what is the proper pattern for iterating over large result sets?

...only for Hibernate. So it seems that using setFirstResult/setMaxResults and manual iteration really is necessary. Here's my solution using JPA: private List<Model> getAllModelsIterable(int offset, int max) { return entityManager.createQuery("from Model m", Model.class).setFirstResult(o...
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How to create standard Borderless buttons (like in the design guideline mentioned)?

I was just checking the design guidelines and wondering about the borderless buttons. I goggled and tried to find in the source but can't bring it together by myself. Is this the normal Button widget but you add a custom (Android default) style? How to make these borderless buttons (of course you ca...
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Coding Conventions - Naming Enums

... Enums are classes and should follow the conventions for classes. Instances of an enum are constants and should follow the conventions for constants. So enum Fruit {APPLE, ORANGE, BANANA, PEAR}; There is no reason for writing FruitEnum any ...
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How do I get the SharedPreferences from a PreferenceActivity in Android?

...plication. I am inflating the settings via a xml file so that my onCreate (and complete class methods) looks like this: 7 ...
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Fastest Way of Inserting in Entity Framework

... for example 100 records. Call SaveChanges() after for example 100 records and dispose the context and create a new one. Disable change detection For bulk inserts I am working and experimenting with a pattern like this: using (TransactionScope scope = new TransactionScope()) { MyDbContext con...
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Can a class member function template be virtual?

...would need to call a templatized virtual function, compilation is all done and the compiler cannot generate the appropriate instance anymore. Therefore you cannot have virtual member function templates. However, there are a few powerful and interesting techniques stemming from combining polymorphi...
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In Gradle, how do I declare common dependencies in a single place?

...ependency in the <dependencyManagement> section of the parent POM, and reference that dependency from child modules without specifying the version or scope or whatever. ...
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Objective-C: difference between id and void *

What is the difference between id and void * ? 7 Answers 7 ...
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accepting HTTPS connections with self-signed certificates

...te Authority (CA) like Verisign , GlobalSIgn , etc., listed on the set of Android Trusted Certificates, I keep getting javax.net.ssl.SSLException: Not trusted server certificate . ...