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How can I determine the type of an HTML element in JavaScript?
...toLowerCase() means you also need to make sure nodeName exists (if it's at all possible elt is not, in fact, an element): if (elt.nodeName && elt.nodeName.toLowerCase() === 'div') { ... }
– Erik Koopmans
Nov 6 '17 at 7:10
...
Mockito: Trying to spy on method is calling the original method
... = new LinkedList();
List spy = spy(list);
// Impossible: real method is called so spy.get(0) throws IndexOutOfBoundsException (the list is yet empty)
when(spy.get(0)).thenReturn("foo");
// You have to use doReturn() for stubbing
doReturn("foo").when(spy).get(0);
In your case it goes something l...
Do you need break in switch when return is used?
...se return instead of break...
break is optional and is used to prevent "falling" through all the other case statements. So return can be used in a similar fashion, as return ends the function execution.
Also, if all of your case statements are like this:
case 'foo':
$result = find_result(...)...
click or change event on radio using jquery
...
});
</script>
You must make sure that you initialized jquery above all other imports and javascript functions. Because $ is a jquery function. Even
$(function(){
<code>
});
will not check jquery initialised or not. It will ensure that <code> will run only after all the javascr...
How can I determine the direction of a jQuery scroll event?
...
An update on this: Be careful that some browsers, specially IE 11 on Windows 8, can fire a scroll event subpixel-based (smooth scrolling). But because it reports scrollTop as an integer, your previous scroll value could be the same as the current one.
– Rena...
rbenv not changing ruby version
I installed rbenv according to the github directions. I am running OSX but I have tried this on a Ubuntu 12.04 VM and got the same results. The following is what i get in my terminal when I try to change ruby versions:
...
Hide options in a select list using jQuery
...
You cannot do this x-browser. If I recall ie has issues. The easiest thing to do is keep a cloned copy of the select before you remove items, this allows you to easily remove and then append the missing items back.
...
CSS selector by inline style attribute
...will stop matching values that don't contain the space, unless you include all the permutations, ad nauseum. But if you're working with a document in which the inline style declarations themselves are unlikely to change at all, you should be fine.
Note also that this is not at all selecting element...
.aspx vs .ashx MAIN difference
...and .ashx pages?
I use ashx now when I need to handle a request that was called from code and returned with a response, but I would like a more technical answer please.
...
Use of ~ (tilde) in R programming Language
...".
The myFormula <- part of that line stores the formula in an object called myFormula so you can use it in other parts of your R code.
Other common uses of formula objects in R
The lattice package uses them to specify the variables to plot.
The ggplot2 package uses them to specify panels fo...