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WPF vs Silverlight [duplicate]
.... See the beta documentation at msdn.microsoft.com/en-us/library/dd470096(VS.96).aspx.
– SergioL
Jun 17 '09 at 12:57
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jquery .html() vs .append()
...ew jQuery object on every iteration. E.g. the quickest way to create 100 divs with jQuery:
jQuery(Array(101).join('<div></div>'));
There are also issues of readability and maintenance to take into account.
This:
$('<div id="' + someID + '" class="foobar">' + content + '</...
How do I get the current time only in JavaScript
...
var d = new Date("2011-04-20 09:30:51.01"); alert(d.getHours()); // => 9 output NaN
– Chinmay235
May 11 '15 at 6:04
1
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.NET - Dictionary locking vs. ConcurrentDictionary
...
A thread-safe collection vs. a non-threadsafe-collection can be looked upon in a different way.
Consider a store with no clerk, except at checkout. You have a ton of problems if people don't act responsibly. For instance, let's say a customer takes ...
When to favor ng-if vs. ng-show/ng-hide?
...
The answer is not simple:
It depends on the target machines (mobile vs desktop), it depends on the nature of your data, the browser, the OS, the hardware it runs on... you will need to benchmark if you really want to know.
It is mostly a memory vs computation problem ... as with most perform...
Implements vs extends: When to use? What's the difference?
...e itself.
Refer to this question for when to use each of them:
Interface vs Abstract Class (general OO)
Example to understand things.
public class ExtendsAndImplementsDemo{
public static void main(String args[]){
Dog dog = new Dog("Tiger",16);
Cat cat = new Cat("July",20);
...
Catch paste input
...oesn't pan out, have a look here.
$(this).live("paste", function(e) {
alert(e.clipboardData); // [object Clipboard]
});
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Can you detect “dragging” in jQuery?
...(p1.x - p0.x, 2) + Math.pow(p1.y - p0.y, 2));
if (d < 4) {
alert('clicked');
}
})
You can tweak the distance limit to whatever you please, or even take it all the way to zero.
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How to check 'undefined' value in jQuery
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when I am testing "typeof obj === undefined", the alert(typeof obj) returning object, even though obj is undefined.
Since obj is type of Object its returning Object, not undefined.
So after hours of testing I opted below technique.
if(document.getElementById(obj) !== null)...
Java8 Lambdas vs Anonymous classes
...ly an implementation concern; it doesn't affect how one programs with AICs vs lambdas, which is what this question is mostly about. Note that a lambda expression does generate a class with a name like LambdaClass$$Lambda$1/1078694789. However, this class is generated on-the-fly by the lambda metafac...