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Permutations in JavaScript?
...]).map(function(perm) { return [item].concat(perm); }) || item);
}, []);
alert(JSON.stringify(result));
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How to get the data-id attribute?
...ion>
</select>
$("#selectVehicle").change(function () {
alert($(this).find(':selected').data("year"));
});
Here is the working example: https://jsfiddle.net/ed5axgvk/1/
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Tracking CPU and Memory usage per process
...e data for your inspection later. To do this, select "Performance Logs and Alerts" in the left-hand panel. (It's right under the System Monitor console which provides us with the above mentioned counters. If it is not there, click "File" > "Add/remove snap-in", click Add and select "Performance L...
Converting JSON String to Dictionary Not List
...send_data.readyState==4 && send_data.status==200){
alert(send_data.responseText);
}
}
}
django views
def addNewCustomer(request):
#if method is get then condition is true and controller check the further line
if request.m...
Using “Object.create” instead of “new”
...n.traits.legs = 4;
var bird = Object.create(Animal);
bird.traits.legs = 2;
alert(lion.traits.legs) // shows 2!!!
This occurs because Object.create(...) advocates a practice where data is used to create new objects; here the Animal datum becomes part of the prototype of lion and bird, and causes pr...
How do I implement onchange of with jQuery?
..., so the way to do it is
$('input.myTextInput').on('input',function(e){
alert('Changed!')
});
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Ajax request returns 200 OK, but an error event is fired instead of success
...d make the server-side code return:
Content-Type: application/javascript
alert("Record Deleted");
But I would rather suggest returning a JSON response and display the message inside the success callback:
Content-Type: application/json
{"message": "Record deleted"}
...
Using jQuery how to get click coordinates on the target element
... (e) {
$('#A').click(function (e) { //Default mouse Position
alert(e.pageX + ' , ' + e.pageY);
});
$('#B').click(function (e) { //Offset mouse Position
var posX = $(this).offset().left,
posY = $(this).offset().top;
alert((e.pageX - posX) + ' , ' + (...
You need to use a Theme.AppCompat theme (or descendant) with this activity
... had the error stated at the top of the post and happened after I added an alert dialog. I have all the relevant style information in the manifest. My problem was cured by changing a context reference in the alert builder - I changed:
new android.support.v7.app.AlertDialog.Builder(getApplicationCo...
Detecting that the browser has no mouse and is touch-only
...tectMouse = function(e){
if (e.type === 'mousedown') {
alert('Mouse interaction!');
}
else if (e.type === 'touchstart') {
alert('Touch interaction!');
}
// remove event bindings, so it only runs once
$body.off('mousedown touchst...