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What's the difference between equal?, eql?, ===, and ==?
...u to read it, and also the documentation for these methods as they're overridden in other classes, like String.
Side note: if you want to try these out for yourself on different objects, use something like this:
class Object
def all_equals(o)
ops = [:==, :===, :eql?, :equal?]
Hash[ops.map(...
Scroll to bottom of Div on page load (jQuery)
...y'll work, unless you have more than double the div's height in content inside of it.
Here is the correct version:
$('#div1').scrollTop($('#div1')[0].scrollHeight);
or jQuery 1.6+ version:
var d = $('#div1');
d.scrollTop(d.prop("scrollHeight"));
Or animated:
$("#div1").animate({ scrollTop: $...
how to read value from string.xml in android?
...ich text styling applied to the string.
Reference: https://developer.android.com/guide/topics/resources/string-resource.html
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Smart way to truncate long strings
...is to create
your own helper object, containing the (long) string you provide
and the beforementioned method to truncate it. That's what the snippet
below does.
const LongstringHelper = str => {
const sliceBoundary = str => str.substr(0, str.lastIndexOf(" "));
const truncate = (n,...
How do I clear a search box with an 'x' in bootstrap 3?
...ry use the following HTML code:
<div class="btn-group">
<input id="searchinput" type="search" class="form-control">
<span id="searchclear" class="glyphicon glyphicon-remove-circle"></span>
</div>
and some CSS:
#searchinput {
width: 200px;
}
#searchclear {
...
Adding options to a using jQuery?
...
This did NOT work in IE8 (yet did in FF):
$("#selectList").append(new Option("option text", "value"));
This DID work:
var o = new Option("option text", "value");
/// jquerify the DOM object 'o' so we can use the html method
$(o...
Android Camera Preview Stretched
I've been working on making my custom camera activity on Android, but when rotating the camera, the aspect ratio of the surface view gets messed up.
...
Finding child element of parent pure javascript
...uld the most efficient method be to find a child element of (with class or ID) of a particular parent element using pure javascript only. No jQuery or other frameworks.
...
jQuery count child elements
...y modern browsers, adding the element uses findByElement before finding by id or class, which is slower. Soon this will be a moot point either way though, because all DOM searches will be done using one native function. In any case, a simple getElementById('selected') or $('#selected') would be fas...
Animated GIF in IE stopping
...
The accepted solution did not work for me.
After some more research I came across this workaround, and it actually does work.
Here is the gist of it:
function showProgress() {
var pb = document.getElementById("progressBar");
pb.innerHTML...