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DropDownList's SelectedIndexChanged event not firing
...
Set DropDownList AutoPostBack property to true.
Eg:
<asp:DropDownList ID="logList" runat="server" AutoPostBack="True"
onselectedindexchanged="itemSelected">
</asp:DropDownList>
...
What is an abstract class in PHP?
...od
public function printOut() {
print $this->getValue() . "<br/>";
}
}
class ConcreteClass1 extends AbstractClass
{
public function printOut() {
echo "dhairya";
}
}
$class1 = new ConcreteClass1;
$class1->printOut();
//Fatal error: Class ConcreteClass1 co...
Select element by exact match of its content
...there's no jQuery (or CSS) selector that does that.
You can readily use filter:
$("p").filter(function() {
return $(this).text() === "hello";
}).css("font-weight", "bold");
It's not a selector, but it does the job. :-)
If you want to handle whitespace before or after the "hello", you might ...
Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
...
Iterator.remove() is safe, you can use it like this:
List<String> list = new ArrayList<>();
// This is a clever way to create the iterator and call iterator.hasNext() like
// you would do in a while-loop. It would be the same as doing:
// Iterator<String> iter...
Assigning code to a variable
...n regards to the various comments)...
As Erik stated, you could execute multiple lines of code:
var ButtonClicked = new Action(() =>
{
MessageBox.Show("hi");
MessageBox.Show("something else"); // something more useful than another popup ;)
});
As Tim stated, you could omit the Actio...
Modulus % in Django template
...
You need divisibleby, a built-in django filter.
{% for p in posts %}
<div class="post width1 height2 column {% if forloop.counter0|divisibleby:4 %}first{% endif %}">
<div class="preview">
</div>
<div c...
How to allow only one radio button to be checked?
...to the answers assigned to the buttons. But I don't know why I can check multiple radio buttons, which messed me up. It is supposed to only let me check on one radio button and I had that somehow but I lost it. Any help? Thank you.
...
How to display long messages in logcat
... log it in pieces. For example:
int maxLogSize = 1000;
for(int i = 0; i <= veryLongString.length() / maxLogSize; i++) {
int start = i * maxLogSize;
int end = (i+1) * maxLogSize;
end = end > veryLongString.length() ? veryLongString.length() : end;
Log.v(TAG, veryLongString.sub...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
...f using a custom TypeAdapter. The most helpful has been Class TypeAdapter<T> . But that hasn't answered my question yet.
...
How to implement history.back() in angular.js
...ply using window.history.back() on clicking something would work.
HTML:
<div class="nav-header" ng-click="doTheBack()">Reverse!</div>
JS:
$scope.doTheBack = function() {
window.history.back();
};
I usually create a global function called '$back' on my app controller, which I usu...