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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...
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...
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: $msg")
| }
defined trait Tweeter
scala> trait Wrong extends Tweeter {
| def n...
Why does substring slicing with index out of range work?
...can still return an empty sequence.
Part of what's confusing here is that strings behave a little differently from lists. Look what happens when you do the same thing to a list:
>>> [0, 1, 2, 3, 4, 5][3]
3
>>> [0, 1, 2, 3, 4, 5][3:4]
[3]
Here the difference is obvious. In the ...
How to format date and time in Android?
...the Android class and therefore there aren't any ambiguous classes. final String dateStr = DateFormat.getDateFormat(this).format(d); You can use Android's format() method and have (IMHO) cleaner code and one less Object to instantiate.
– Jerry Brady
Aug 22 '1...
Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
...ger will stop.
P.S. Keep in mind this also happens if image name is empty string. You can check this by adding [(NSString*)$x2 length] == 0 to the condition.
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POST request send json data java HttpUrlConnection
...d");
auth.put("tenantName", "adm");
auth.put("passwordCredentials", cred.toString()); // <-- toString()
parent.put("auth", auth.toString()); // <-- toString()
OutputStreamWriter wr= new OutputStreamWriter(con.getOutputStream());
wr.write(parent.toString());
write
JSONObject cr...