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Android 1.6: “android.view.WindowManager$BadTokenException: Unable to add window — token null is not
...ill not work instead of that use your current activity while instantiating AlertDialog.Builder or AlertDialog or Dialog...
Ex:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
or
AlertDialog.Builder builder = new AlertDialog.Builder((Your Activity).this);
...
using jquery $.ajax to call a PHP function
This may be a simple answer, but I'm using jQuery's $.ajax to call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript.
...
Alarm 闹钟扩展 · App Inventor 2 中文网
...后台运行时启动另一个应用程序，需要额外的权限 (SYSTEM_ALERT_WINDOW)（参见 从后台启动活动的限制，最后一点）。此权限无法通过程序设置，必须通过对话框由用户确认（参见 Android 10和小米设备的额外权限）。示例中展示了解...
How to check if function exists in JavaScript?
...lder versions of IE treat certain functions as objects, e.g. typeof window.alert === 'object'.
– Noyo
Sep 4 '13 at 13:51
...
Regex using javascript to return just numbers
...var numberPattern = /\d+/g;
value = value.match( numberPattern ).join([]);
alert(value);
//Show: 675805714
Now you get the digits joined
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follo...
JavaScript OR (||) variable assignment explanation
... " messages.";
var noNewMessagesText = "Sorry, you have no new messages.";
alert((messages && newMessagesText) || noNewMessagesText);
Inside the alert, we check if messages is falsy, and if yes, then evaluate and return noNewMessagesText, otherwise evaluate and return newMessagesText. Sinc...
Rails 4: how to use $(document).ready() with turbo-links
...
Here's what I do...
CoffeeScript:
ready = ->
...your coffeescript goes here...
$(document).ready(ready)
$(document).on('page:load', ready)
last line listens for page load which is what turbo links will trigger.
Edit...adding Javascript vers...
How does “this” keyword work within a function?
...at's attached to an object
var foo = {};
foo.someMethod = function(){
alert(this);
}
When invoked as a method, this will be bound to the object the function/method is a part of. In this example, this will be bound to foo.
As A Function
If you have a stand alone function, the this variable ...
$(this).val() not working to get text from span using jquery
...nth").live("click", function () {
var monthname = $(this).text();
alert(monthname);
});
Or in jQuery 1.7+ use on() as live is deprecated:
$(document).on('click', '.ui-datepicker-month', function () {
var monthname = $(this).text();
alert(monthname);
});
.val() is for input typ...
What is the opposite of evt.preventDefault();
...e) {
e.preventDefault();
var $this = $(this);
$.ajax('/path/to/script.php',
{
type: "POST",
data: { value: $("#input_control").val() }
}).done(function(response) {
$this.unbind('submit').submit();
});
});
...