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What's the (hidden) cost of Scala's lazy val?
...e (rather than bytecode):
class LazyTest {
lazy val msg = "Lazy"
}
is compiled to something equivalent to the following Java code:
class LazyTest {
public int bitmap$0;
private String msg;
public String msg() {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
...
Set a persistent environment variable from cmd.exe
...bothered changing them manually by getting on the properties screen of "My Computer"
5 Answers
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How do I programmatically shut down an instance of ExpressJS for testing?
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when testing server, check out github.com/visionmedia/supertest it will let you test w/o launching actual server
– Lukas Liesis
Nov 1 '16 at 13:54
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Error handling in getJSON calls
...on() { alert("second success"); })
.error(function() { alert("error"); })
.complete(function() { alert("complete"); });
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New Line on PHP CLI
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@AutomaticPixel For platform compatibility yes, for inter-platform compatibility you should use \n instead.
– KingCrunch
Aug 3 '12 at 20:44
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Will writeToFile:atomically: overwrite data?
...u do it atomically or not doesn't matter; in either case, the file will be completely overwritten with the new data.
– BJ Homer
Jul 30 '12 at 13:56
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How do sessions work in Express.js with Node.js?
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166
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How to set UICollectionViewDelegateFlowLayout?
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14
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Do C# Timers elapse on a separate thread?
... edited May 23 '17 at 11:55
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answered Sep 16 '09 at 22:43
JorenJoren
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