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Programmatically set height on LayoutParams as density-independent pixels
....COMPLEX_UNIT_DIP, <HEIGHT>, getResources().getDisplayMetrics());
For me this does the trick.
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What is the difference between Factory and Strategy patterns?
Can any one explain the difference between factory and strategy patterns?
12 Answers
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...ifest-API, which is deprecated as of Scala 2.10. Please see answers below for more current solutions.
Scala was defined with Type Erasure because the Java Virtual Machine (JVM), unlike Java, did not get generics. This means that, at run time, only the class exists, not its type parameters. In the e...
Deprecated warning for Rails 4 has_many with order
...ve this model in my rails app which throws warning when I try to create records in console.
5 Answers
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Dealing with multiple Python versions and PIP?
...s there any way to make pip play well with multiple versions of Python? For example, I want to use pip to explicitly install things to either my site 2.5 installation or my site 2.6 installation.
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HtmlString vs. MvcHtmlString
...n ASP.NET 4.
MvcHtmlString was a compatibility shim added to MVC 2 to support both .NET 3.5 and .NET 4. Now that MVC 3 is .NET 4 only, it's a fairly trivial subclass of HtmlString presumably for MVC 2->3 for source compatibility.
If you're ever going to drop back to MVC 2 it might make sense to...
Javascript shorthand ternary operator
I know that in php 5.3 instead of using this redundant ternary operator syntax:
7 Answers
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Submit HTML form on self page
I want an HTML form to submit to itself. How do I use the action attribute?
5 Answers
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
DROP IF EXISTS VS DROP?
...tax is
DROP TABLE table_name;
IF EXISTS is not standard; different platforms might support it with different syntax, or not support it at all. In PostgreSQL, the syntax is
DROP TABLE IF EXISTS table_name;
The first one will throw an error if the table doesn't exist, or if other database object...