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How do I correctly detect orientation change using Phonegap on iOS?
...) {
switch(window.orientation) {
case -90: case 90:
alert('landscape');
break;
default:
alert('portrait');
break;
}
}
window.addEventListener('orientationchange', doOnOrientationChange);
// Initial execution if needed
doOnOr...
Get current controller in view
... for me), instead of the actual location of the partial view.
So use this alert instead:
alert('@HttpContext.Current.Request.RequestContext.RouteData.Values["controller"].ToString()');
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im...
Keep only first n characters in a string?
...ring.slice:
var str = '12345678value';
var strshortened = str.slice(0,8);
alert(strshortened); //=> '12345678'
Using this, a String extension could be:
String.prototype.truncate = String.prototype.truncate ||
function (n){
return this.slice(0,n);
};
var str = '12345678value';
alert(st...
Backbone.js: get current route
...agment, you can make something like this inside the scope of your Router:
alert( this.routes[Backbone.history.getFragment()] );
Or like this from outside your router:
alert( myRouter.routes[Backbone.history.getFragment()] );
...
How to list the properties of a JavaScript object?
...object had about a million properties, most of them not used, and I had an alert on it.
– Mark Henderson
Aug 16 '10 at 6:10
...
How do I return the response from an asynchronous call?
...he callback is called.
Solution(s)
Embrace the asynchronous nature of JavaScript! While certain asynchronous operations provide synchronous counterparts (so does "Ajax"), it's generally discouraged to use them, especially in a browser context.
Why is it bad do you ask?
JavaScript runs in the UI thr...
AsyncTask and error handling on Android
...oid onPostException(Exception exception)
{
new AlertDialog.Builder(context).setTitle(R.string.dialog_title_generic_error).setMessage(exception.getMessage())
.setIcon(android.R.drawable.ic_dialog_alert).setPositiveButton(R.string.alert_dialog_ok, new Dialog...
Interface type check with Typescript
...ber' in object;
}
var a:any={member:"foobar"};
if (instanceOfA(a)) {
alert(a.member);
}
Lots of Members
If you need to check a lot of members to determine whether an object matches your type, you could instead add a discriminator. The below is the most basic example, and requires you to man...
iOS Detection of Screenshot?
.... You can remove the image in this delegate method and show an appropriate alert to the user.
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
[super touchesCancelled:touches withEvent:event];
NSLog(@"Touches cancelled");
[self.imageView removeFromSuperView]; //a...
How do you tell if caps lock is on using JavaScript?
... === s && s.toLowerCase() !== s && !e.shiftKey ) {
alert('caps is on');
}
});
Avoid the mistake, like the backspace key, s.toLowerCase() !== s is needed.
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