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What is the formal difference in Scala between braces and parentheses, and when should they be used?
...rmal difference between passing arguments to functions in parentheses () and in braces {} ?
9 Answers
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Why can lambdas be better optimized by the compiler than plain functions?
In his book The C++ Standard Library (Second Edition) Nicolai Josuttis states that lambdas can be better optimized by the compiler than plain functions.
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How to determine the screen width in terms of dp or dip at runtime in Android?
I need to code the layout of the android widgets using dip/dp (in java files). At runtime if I code,
int pixel=this.getWindowManager().getDefaultDisplay().getWidth() ;
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RecyclerView onClick
...wer better than the one you linked. Who wants to write a gesture listener and hit box detection to handle this. Google--
– Lo-Tan
Mar 23 '15 at 8:16
17
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What is the difference between a static and a non-static initialization code block
...static from the initializer block, it then becomes an instance initializer and so int a is initialized at construction.
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How does type Dynamic work and how to use it?
...se one of these methods it is enough to write a class that extends Dynamic and to implement the methods there:
class DynImpl extends Dynamic {
// method implementations here
}
Furthermore one need to add a
import scala.language.dynamics
or set the compiler option -language:dynamics because t...
POST JSON fails with 415 Unsupported media type, Spring 3 mvc
...e culprit: In my case I had a Date object in the DTO, this Date object was converted to a String so we could show it in the view with the format: HH:mm.
When JSON information was being sent back, this Date String object had to be converted back into a full Date Object, therefore we also need a meth...
How can I force Powershell to return an array when a call only returns one object?
...rray to an Azure deployment template. If there was one object, PowerShell "converted" it to a string. In the example below, $a is returned from a function that gets VM objected according to the value of a tag. I pass the $a to the New-AzureRmResourceGroupDeployment cmdlet by wrapping it in @(). Like...
Creating a favicon [closed]
... have a logo image that you want to transform into a favicon, then you can convert it using http://www.favicomatic.com/.
It creates crisp favicons, and I haven't had to edit them after creating them.
It will generate favicons at 16x16 and 32x32 and to quote them: "Every damn size, sir!". The site a...
What is the idiomatic Go equivalent of C's ternary operator?
In C/C++ (and many languages of that family), a common idiom to declare and initialize a variable depending on a condition uses the ternary conditional operator :
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