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Scala Doubles, and Precision
...u may use implicit classes:
import scala.math._
object ExtNumber extends App {
implicit class ExtendedDouble(n: Double) {
def rounded(x: Int) = {
val w = pow(10, x)
(n * w).toLong.toDouble / w
}
}
// usage
val a = 1.23456789
println(a.rounded(2))
}
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Adding Python Path on Windows 7
... press Pause.
Click Advanced System Settings.
Click Environment Variables.
Append ;C:\python27 to the Path variable.
Restart Command Prompt.
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How can I check whether Google Maps is fully loaded?
...as soon as the script has loaded but before any tile shows. Maybe it's not apparent on a fast connection, but I am blessed with a very slow one. 'tilesloaded' seems to work though.
– Xananax
Jun 24 '14 at 13:46
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Remove IE10's “clear field” X button on certain inputs?
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This control ONLY appears in IE10+ on Win8. The trick is that it still appears when the document is put in a compatibility mode.
– EricLaw
Sep 6 '13 at 15:45
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iPhone UIButton - image position
I have a UIButton with text "Explore the app" and UIImage (>)
In Interface Builder it looks like:
15 Answers
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Replacing a fragment with another fragment inside activity group
...this one that may be better IMO github.com/HugoGresse/Anecdote/blob/master/app/src/main/java/io/…
– Hugo Gresse
Jul 28 '17 at 7:10
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What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...setInterval(function(){ Console.log("A Kiss every 5 seconds"); }, 5000);
Approximate java Equivalent
new Timer().scheduleAtFixedRate(new TimerTask(){
@Override
public void run(){
Log.i("tag", "A Kiss every 5 seconds");
}
},0,5000);
setTimeout()
function that works only after...
How to add new elements to an array?
...-defining the object size allows the compiler to optimize memory. For some applications, it matters. A small app running on a modern computer can probably get away with a lot of Lists before memory becomes a problem.
– DraxDomax
Dec 12 '19 at 12:33
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Android Spinner : Avoid onItemSelected calls during initialization
I created an Android application with a Spinner and a TextView . I want to display the selected item from the Spinner's drop down list in the TextView. I implemented the Spinner in the onCreate method so when I'm running the program, it shows a value in the TextView (before selecting an item ...
'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
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Do you know if there's a MariaDB equivalent to append to my jdbc URL? jdbc:mariadb://localhost:3306/dev?zeroDateTimeBehavior=convertToNull doesn't seem to work for me.
– jeffkempf
Mar 1 '17 at 19:02
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