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What's a correct and good way to implement __hash__()?
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Aside from the minor overhead from factoring out the __key function, this is about as fast as any hash can be. Sure, if the attributes are known to be integers, and there aren't too many of them, I suppose you could potentially...
How to remove css property in jQuery
...olution here that satisfies the OP. Most of the solutions suggest getting rid of the entire style attribute which is not worth it.
I used jQuery's prop method.
var styleObject = $('my-selector').prop('style');
styleObject.removeProperty('background-color');
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How to use jQuery to select a dropdown option?
...elect>option:eq(3)').attr('selected', true);
example at http://www.jsfiddle.net/gaby/CWvwn/
for modern versions of jquery you should use the .prop() instead of .attr()
$('select>option:eq(3)').prop('selected', true);
example at http://jsfiddle.net/gaby/CWvwn/1763/
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Changing element style attribute dynamically using JavaScript
... answered Mar 4 '11 at 8:55
David HedlundDavid Hedlund
119k2727 gold badges196196 silver badges210210 bronze badges
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How to position a DIV in a specific coordinates?
...pectively. It must have position: absolute;
var d = document.getElementById('yourDivId');
d.style.position = "absolute";
d.style.left = x_pos+'px';
d.style.top = y_pos+'px';
Or do it as a function so you can attach it to an event like onmousedown
function placeDiv(x_pos, y_pos) {
var d = docu...
Remove an onclick listener
...sn't work for checkboxes specifically, and will likely not work for other widgets as well.
– Chris
May 21 '15 at 20:08
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Get a list of checked checkboxes in a div using jQuery
... get a list of names of checkboxes that are selected in a div with certain id. How would I do that using jQuery?
8 Answers
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mysqldump data only
...db: if you are using --databases ... option
--compact: if you want to get rid of extra comments
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select and update database record with a single queryset
...TE. If
the object’s primary key attribute is not set or if the UPDATE didn’t
update anything, Django executes an INSERT.
Ref.: https://docs.djangoproject.com/en/1.9/ref/models/instances/
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How to provide animation when calling another activity in Android?
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API 5+:
For apps targeting API level 5+ there is the Activities overridePendingTransition method. It takes two resource IDs for the incoming and outgoing animations. An id of 0 will disable the animations. Call this immediately after the startActivity call.
i.e.:
startActivity(new Intent(thi...