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How to pass parameters on onChange of html select
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Thanks, this has worked for me. Basically I want to show the same combobox at different place,so i gave 2 different ids to 2 combobox.Is there anyway, that i can show the same combobox at different place. Any help will be greatly appreciated.
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What's the difference between :: (double colon) and -> (arrow) in PHP?
...lf refers to the scope of the class where it's used; static refers to the "called scope" (see late static bindings).
The rule is that a call with :: is an instance call if and only if:
the target method is not declared as static and
there is a compatible object context at the time of the call, me...
How to have a default option in Angular.js select box
...was not available yet at the time ng-init ran: I got the value via an ajax call and at that moment the ng-init was already finished. In the end I used a watcher on that value and in that function I did the same as I did in ng-init. That worked.
– maurits
Sep 5 ...
How to clear a chart from a canvas so that hover events cannot be triggered?
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.destroy() should work fine. If it does't, after calling .destroy() to draw new chart, use setTimeout()
– Sumeet Kale
Nov 2 '18 at 12:01
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Select all DIV text with single mouse click
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UPDATE 2017:
To select the node's contents call:
window.getSelection().selectAllChildren(
document.getElementById(id)
);
This works on all modern browsers including IE9+ (in standards mode).
Runnable Example:
function select(id) {
window.getSelection()...
PHP Pass variable to next page
... one page to another, hence regName and regValue:
Create your first page, call it set_reg.php:
<?php
session_start();
$_SESSION['regName'] = $regValue;
?>
<form method="get" action="get_reg.php">
<input type="text" name="regName" value="">
<input type="submit">
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Can you resolve an angularjs promise before you return it?
...d to work within the context of what was originally asked (i.e. a function call to service) and actually on site.
Inside the service...
function getSomething(id) {
// There will always be a promise so always declare it.
var deferred = $q.defer();
if (Cache[id]) {
// Resolve the...
Getting Django admin url for an object
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I had a similar issue where I would try to call reverse('admin_index') and was constantly getting django.core.urlresolvers.NoReverseMatch errors.
Turns out I had the old format admin urls in my urls.py file.
I had this in my urlpatterns:
(r'^admin/(.*)', admin.site...
Should IBOutlets be strong or weak under ARC?
...st practice from Apple is for IBOutlets to be strong unless weak is specifically needed to avoid a retain cycle. As Johannes mentioned above, this was commented on in the "Implementing UI Designs in Interface Builder" session from WWDC 2015 where an Apple Engineer said:
And the last option I wan...
get an element's id
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Yes. You can get an element by its ID by calling document.getElementById. It will return an element node if found, and null otherwise:
var x = document.getElementById("elementid"); // Get the element with id="elementid"
x.style.color = "green"; ...
