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What limits does scala place on the “acceptable complexity” of inferred types?
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When inferring types, the compiler often needs to calculate the Least Upper Bound (LUB) of a list of types. For example, the type of if (cond) e1 else e1 is the LUB of the types of e1 and e1.
These types can get quite large, for example try this in a...
Understanding $.proxy() in jQuery
...ures that the value of this in a function will be the value you desire.
A common example is in a setTimeout that takes place inside a click handler.
Take this:
$('#myElement').click(function() {
// In this function, "this" is our DOM element.
$(this).addClass('aNewClass');
});
The i...
How to display unique records from a has_many through relationship?
...for more information. Thanks to Kurt Mueller for pointing this out in his comment.
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How to force a SQL Server 2008 database to go Offline
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Limit ggplot2 axes without removing data (outside limits): zoom
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Percentage Height HTML 5/CSS
... edited May 23 '17 at 10:31
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answered Oct 25 '09 at 21:17
bobincebobince
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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) {
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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 sessions work in Express.js with Node.js?
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