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How to get all options of a select using jQuery?
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$('#id option').map((index, option) => option.value) : note how the callback signature is reversed compared to the "vanilla" JS map function ((item, index) =>)
– imrok
Nov 19 '19 at 8:08
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Convert char to int in C and C++
...ourse you should use the char type when doing string handling, because the index of the classic ASCII table fits in 1 byte. You could however do string handling with regular ints as well, although there is no practical reason in the real world why you would ever want to do that. For example, the fol...
Tri-state Check box in HTML?
...ment, I found a better solution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate state can...
How do you overcome the HTML form nesting limitation?
...name="delete" value="Delete" form="deleteForm" />
<a href="/home/index">Cancel</a>
</div>
This option is quite flexible, but the original post also mentioned that it may be necessary to perform different actions with a single form. HTML5 comes to the rescue, again. You can...
What are the main disadvantages of Java Server Faces 2.0?
...ts which seem to make development much faster than with ASP.NET MVC, especially on AJAX-heavy sites. Integration testing looked very nice too.
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How do I dynamically change the content in an iframe using jquery?
...nterval(changeIframe, 30000);
var sites = ["google.com", "yahoo.com"];
var index = 0;
function changeIframe() {
$('#frame')[0].src = sites[index++];
index = index >= sites.length ? 0 : index;
}
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How to randomly select an item from a list?
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If you also need the index, use random.randrange
from random import randrange
random_index = randrange(len(foo))
print(foo[random_index])
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How can I view array structure in JavaScript with alert()?
...t language spec, so you shouldn't rely on the JSON object being present in all browsers, but for debugging purposes it's incredibly useful.
I tend to use the jQuery-json plugin as follows:
alert( $.toJSON(myArray) );
This prints the array in a format like
[5, 6, 7, 11]
However, for debugging ...
Can git ignore a specific line?
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You can use
git update-index --assume-unchanged [file]
to ignore the changes of one file that you don't want track. I use this solution when I need to have a file in the repository but this file have some parts that change that I don't need track...
How to prevent form from submitting multiple times from client side?
... I tried this solution with unobtrusive validation & MVC. The JS gets called first which always return false and then validation is called. So if my form has some validation error the form never gets submitted!!
– bjan
Jun 8 '12 at 12:09
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