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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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How do I set the version information for an existing .exe, .dll?
... of our build process I need to set the version information for all of our compiled binaries. Some of the binaries already have version information (added at compile time) and some do not.
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Update R using RStudio
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@warship Really I don't understand your comment, for me close and reopen RStudio ~~restart RStudio
– agstudy
Dec 12 '15 at 9:43
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How do sessions work in Express.js with Node.js?
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166
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Do C# Timers elapse on a separate thread?
... edited May 23 '17 at 11:55
Community♦
111 silver badge
answered Sep 16 '09 at 22:43
JorenJoren
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What are the differences between vector and list data types in R?
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54
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Static function variables in Swift
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