大约有 10,000 项符合查询结果（耗时：0.0216秒） [XML]
angular.service vs angular.factory
...){
$scope.data.artistData = data;
}, function(data){
alert(data);
})
}
});
In the controller above we’re injecting in the ‘myFactory’ service. We then set properties on our $scope object that are coming from data from ‘myFactory’. The only tricky code above ...
How to check if a variable is an integer in JavaScript?
How do I check if a variable is an integer in JavaScript, and throw an alert if it isn't? I tried this, but it doesn't work:
...
How to access parent Iframe from JavaScript
...on(event) {
if(event.origin === 'http://localhost/')
{
alert('Received message: ' + event.data.message);
}
else
{
alert('Origin not allowed!');
}
}, false);
By the way, it is also possible to do calls to other windows, and not only iframes.
...
Tracking CPU and Memory usage per process
...e data for your inspection later. To do this, select "Performance Logs and Alerts" in the left-hand panel. (It's right under the System Monitor console which provides us with the above mentioned counters. If it is not there, click "File" > "Add/remove snap-in", click Add and select "Performance L...
When to use the different log levels
...
error:
Error conditions [but not critical].
"Premature end of script headers"
warn:
Warning conditions. [close to error, but not error]
notice:
Normal but significant [notable] condition.
"httpd: caught SIGBUS, attempting to dump core in ..."
info:
Informat...
How can I find out the current route in Rails?
...lt;/li>
<li role="presentation" class="<%= current_controller?('alerts') ? 'active' : '' %>">
<%= link_to alerts_path do %>
<i class="fa fa-bell-o"></i>
<% end %>
</li>
</ul>
For the users and alerts routes, current_page? would b...
Why does JQuery have dollar signs everywhere?
... Unless you are using another language like PHP to populate javascript in your site using HTMLdocs, at which point that dollar sign serves the additional purpose of breaking everything since PHP does use the dollar sign to start all variables. (A reason that if you're sharing jQuery scrip...
Custom exception type
...eption();
}
catch (e) {
if (e instanceof NotNumberException) {
alert("not a number");
}
else
if (e instanceof NotPositiveNumberException) {
alert("not a positive number");
}
}
There is another syntax for catching a typed exception, although this won't work in ev...
Detect permission of camera in iOS
... the requestAccess method will not work. You will have to manually show an alert to ask the user to go to settings and grant permissions.
– Abdullah Umer
Apr 7 '19 at 14:15
ad...
Ask for User Permission to Receive UILocalNotifications in iOS 8
...sterUserNotificationSettings(UIUserNotificationSettings(forTypes:[.Sound, .Alert, .Badge], categories: nil))
}
else
{
//do iOS 7 stuff, which is pretty much nothing for local notifications.
}
return true
}
Swift 3.2
if(UIApplication.instancesRespond(to: #selector(UIAppl...