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What does a lazy val do?
...ted when it is accessed the first time.
scala> val x = { println("x"); 15 }
x
x: Int = 15
scala> lazy val y = { println("y"); 13 }
y: Int = <lazy>
scala> x
res2: Int = 15
scala> y
y
res3: Int = 13
scala> y
res4: Int = 13
In contrast to a method (defined with def) a lazy v...
How do you install Boost on MacOS?
...
152
Download MacPorts, and run the following command:
sudo port install boost
...
Database Design for Revisions?
...
Rob Bednark
17.9k1515 gold badges6565 silver badges9595 bronze badges
answered Sep 2 '08 at 12:13
Simon MunroSimon Mun...
JavaFX Application Icon
...
user1736233user1736233
75155 silver badges22 bronze badges
4
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For-each over an array in JavaScript
... of why it might bite you.
Your best bets are usually
a for-of loop (ES2015+ only),
Array#forEach (spec | MDN) (or its relatives some and such) (ES5+ only),
a simple old-fashioned for loop,
or for-in with safeguards.
But there's lots more to explore, read on...
JavaScript has powerful semant...
How to get client's IP address using JavaScript?
...e.log(data)
})
Returns:
fl=4f422
h=www.cloudflare.com
ip=54.193.27.106
ts=1575967108.245
visit_scheme=https
uag=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36 Hypothesis-Via
colo=SJC
http=http/1.1
loc=US
tls=TLSv1.3
sni=plaintext
...
Is jquery a javascript library or framework? [closed]
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answered Aug 15 '11 at 8:05
GregLGregL
30k66 gold badges5757 silver badges6161 bronze badges
...
Why do some claim that Java's implementation of generics is bad?
...lls it.
– Paul Tomblin
Feb 7 '09 at 15:09
38
But the downsides of that are huge, and permanent. T...
What does Java option -Xmx stand for? [duplicate]
...hanged. To learn about XX commands, please see this: docs.oracle.com/cd/E13150_01/jrockit_jvm/jrockit/jrdocs/refman/…
– Nishant
Sep 30 '14 at 6:11
16
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CruiseControl [.Net] vs TeamCity for continuous integration?
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15
My favorite CI server by far is Hudson. Easy to set up and maintain, lots of nice graphs for sh...