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Creating and playing a sound in swift
...Toolbox
extension SystemSoundID {
static func playFileNamed(fileName: String, withExtenstion fileExtension: String) {
var sound: SystemSoundID = 0
if let soundURL = NSBundle.mainBundle().URLForResource(fileName, withExtension: fileExtension) {
AudioServicesCreateSyst...
Read input from console in Ruby?
... personally like
using the method gets. When you use gets, it gets the string
that you typed, and that includes the ENTER key that you pressed
to end your input.
name = gets
"mukesh\n"
You can see this in irb; type this and you will see the \n, which is the “newline” character ...
What is Unicode, UTF-8, UTF-16?
...ease see the UTF FAQ.
Practical programming considerations
Character and String data types: How are they encoded in the programming language? If they are raw bytes, the minute you try to output non-ASCII characters, you may run into a few problems. Also, even if the character type is based on a UT...
Android - get children inside a View?
...ould do something like this:
// check if a child is set to a specific String
View myTopView;
String toSearchFor = "Search me";
boolean found = false;
ArrayList<View> allViewsWithinMyTopView = getAllChildren(myTopView);
for (View child : allViewsWithinMyTopView) {
...
Swift: Pass array by reference?
...
I agree. There is also the abomination where String is a subtype of Any BUT if you import Foundation then String becomes a subtype of AnyObject.
– GoZoner
Jan 18 '15 at 15:16
...
How to get the current working directory in Java?
...
public class JavaApplication {
public static void main(String[] args) {
System.out.println("Working Directory = " + System.getProperty("user.dir"));
}
}
This will print a complete absolute path from where your application was initialized.
From the documentation:
ja...
How to format date and time in Android?
...the Android class and therefore there aren't any ambiguous classes. final String dateStr = DateFormat.getDateFormat(this).format(d); You can use Android's format() method and have (IMHO) cleaner code and one less Object to instantiate.
– Jerry Brady
Aug 22 '1...
Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
...ger will stop.
P.S. Keep in mind this also happens if image name is empty string. You can check this by adding [(NSString*)$x2 length] == 0 to the condition.
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What is the difference between self-types and trait subclasses?
...nt A.
Consider the following examples:
scala> trait User { def name: String }
defined trait User
scala> trait Tweeter {
| user: User =>
| def tweet(msg: String) = println(s"$name: $msg")
| }
defined trait Tweeter
scala> trait Wrong extends Tweeter {
| def n...
Why does substring slicing with index out of range work?
...can still return an empty sequence.
Part of what's confusing here is that strings behave a little differently from lists. Look what happens when you do the same thing to a list:
>>> [0, 1, 2, 3, 4, 5][3]
3
>>> [0, 1, 2, 3, 4, 5][3:4]
[3]
Here the difference is obvious. In the ...