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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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Percentage Height HTML 5/CSS
... edited May 23 '17 at 10:31
Community♦
111 silver badge
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) {
...
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 to have Android Service communicate with Activity
I'm writing my first Android application and trying to get my head around communication between services and activities. I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service.
...
iPhone get SSID without private library
I have a commercial app that has a completely legitimate reason to see the SSID of the network it is connected to: If it is connected to a Adhoc network for a 3rd party hardware device it needs to be functioning in a different manner than if it is connected to the internet.
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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...
How do sessions work in Express.js with Node.js?
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