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Using jQuery to test if an input has focus
...filter out false positives like body. This way, we make sure to filter out all elements except form controls and hyperlinks.
You're defining a new selector. See Plugins/Authoring. Then you can do:
if ($("...").is(":focus")) {
...
}
or:
$("input:focus").doStuff();
Any jQuery
If you just wa...
How to set the first option on a select box using jQuery?
...ic concept, and in this case it looks like he wants to reset it to "Select All", which is the first option.
– Jack
Sep 16 '11 at 14:08
...
Set keyboard caret position in html textbox
...ion in a Textbox or TextArea with Javascript
A generic function that will allow you to insert the caret at any position of a textbox or textarea that you wish:
function setCaretPosition(elemId, caretPos) {
var elem = document.getElementById(elemId);
if(elem != null) {
if(elem.crea...
How does a Java HashMap handle different objects with the same hash code?
...ng bucket, and then it will compare the key that you gave with the keys of all pairs in the bucket, by comparing them with equals().
Now you can see how this is very efficient for looking up key-value pairs in a map: by the hash code of the key the hashmap immediately knows in which bucket to look,...
How do I make my GUI behave well when Windows font scaling is greater than 100%
...vides caveats and cautions against assuming DPI-awareness is easy.
I generally avoid DPI-aware scaling with TForm.Scaled = True. DPI awareness is only important to me when it becomes important to customers who call me and are willing to pay for it. The technical reason behind that point of view i...
JavaScript REST client Library [closed]
Is there a JavaScript library which allow me to perform all the REST operation like ( GET , POST , PUT and DELETE over HTTP or HTTPS )?
...
What issues should be considered when overriding equals and hashCode in Java?
What issues / pitfalls must be considered when overriding equals and hashCode ?
11 Answers
...
What is the difference between JVM, JDK, JRE & OpenJDK?
...hat contain the bytecodes understood by the JVM. It's also the entity that allows Java to be a "portable language" (write once, run anywhere). Indeed, there are specific implementations of the JVM for different systems (Windows, Linux, macOS, see the Wikipedia list), the aim is that with the same by...
Including one C source file in another?
...e.
Say you have a complex, performance critical subsystem with a fairly small public interface and a lot of non-reusable implementation code. The code runs to several thousand lines, a hundred or so private functions and quite a bit of private data. If you work with non-trivial embedded systems, yo...
How to check if an element does NOT have a specific class?
... that don't have a certain class, you can use the not selector:
// select all divs that don't have class test
$( 'div' ).not( ".test" );
$( 'div:not(.test)' ); // <-- alternative
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