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How do you 'redo' changes after 'undo' with Emacs?
...ntuitive. This should be in the default packages. One comment: I wish some alert message was also shown when redoing from a branch point, not just when reverting to it. For example, when user calls a redo: 'Redoing from a branch point' or 'Default redo branch used' - just to alert the user that ther...
Get div height with plain JavaScript
...
jsFiddle
var element = document.getElementById('element');
alert(element.offsetHeight);
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return, return None, and no return at all?
... of the prisoners. If we don't find the prisoner with a knife, we raise an alert. This could be done in many different ways and using return is probably not even the best way, but it's just an example to show how to use return for exiting a function.
def find_prisoner_with_knife(prisoners):
for...
Get selected text from a drop-down list (select box) using jQuery
...
This works for me
$("#dropdownid").change(function() {
alert($(this).find("option:selected").text());
});
If the element created dynamically
$(document).on("change", "#dropdownid", function() {
alert($(this).find("option:selected").text());
});
...
What's the difference between String(value) vs value.toString()
...ethod unavailable:
o.valueOf = null;
try {
String(o);
} catch (e) {
alert(e); // TypeError
}
If you want to know more about this mechanism I would recommend looking at the ToPrimitive and the ToString internal operations.
I also recommend reading this article:
Object-to-Primitive Convers...
Add 10 seconds to a Date
...ndle wrap-around cases:
var d;
d = new Date('2014-01-01 10:11:55');
alert(d.getMinutes() + ':' + d.getSeconds()); //11:55
d.setSeconds(d.getSeconds() + 10);
alert(d.getMinutes() + ':0' + d.getSeconds()); //12:05
...
How to add and get Header values in WebApi
...ername': 'test','password':'123' },
success: function (data) {
alert(data);
},
failure: function (result) {
alert('Error: ' + result);
}
});
Hope this helps someone ...
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jQuery get value of selected radio button
...:checked.
$(function(){
$("#submit").click(function() {
alert($("input[name=q12_3]:checked").val());
});
});
Note that the above code is not the same as using
.is(":checked").
jQuery's is()
function returns a boolean (true or false) and not an
element.
...
Using the HTML5 “required” attribute for a group of checkboxes?
... @Clijsters the question is about a HTML5 way to do it - not with Javascript (of course, various solutions are possible in Javascript)
– Zabba
Apr 10 '18 at 0:18
7
...
How do I record audio on iPhone with AVAudioRecorder?
... %@ %d %@", [err domain], [err code], [[err userInfo] description]);
UIAlertView *alert =
[[UIAlertView alloc] initWithTitle: @"Warning"
message: [err localizedDescription]
delegate: nil
cancelButtonTitle:@"OK"...