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How do you display JavaScript datetime in 12 hour AM/PM format?
...If you had to guarantee a zero is there, it would be (0[\d]:[\d]{2}). This now reads, look for 0 plus one other digit, then colon, then the rest.
– Steve Tauber
May 18 '17 at 10:11
...
Many-to-many relationship with the same model in rails?
...column names are non-standard as well (not post_id), to prevent conflict.
Now in your model, you simply need to tell Rails about these couple of non-standard things. It will look as follows:
class Post < ActiveRecord::Base
has_and_belongs_to_many(:posts,
:join_table => "post_connection...
What should be the values of GOPATH and GOROOT?
...al for working with Go. For example the use of goinstall in the OP should now be go get.
– Sonia
Jun 1 '12 at 15:45
13
...
Configure apache to listen on port other than 80
...-default.conf
And change the first line as
<VirtualHost *: 8079>
Now restart
sudo service apache2 restart
Apache will now listen on port 8079 and redirect to /var/www/html
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impr...
How to do date/time comparison
... time.LoadLocation("UTC")
// setup a start and end time
createdAt := time.Now().In(loc).Add(1 * time.Hour)
expiresAt := time.Now().In(loc).Add(4 * time.Hour)
// get the diff
diff := expiresAt.Sub(createdAt)
fmt.Printf("Lifespan is %+v", diff)
The program outputs:
Lifespan is 3h0m0s
http://pla...
What's the difference between Require.js and simply creating a element in the DOM? [closed]
...
I had read those, but now that I think about it more I realize that the idea of nested dependencies cannot be achieved by simply writing <script> tags. Thanks.
– maxedison
Feb 6 '11 at 18:53
...
How can I upload files asynchronously?
...
alert('max upload size is 1k');
}
// Also see .name, .type
});
Now the $.ajax() submit with the button's click:
$(':button').on('click', function () {
$.ajax({
// Your server script to process the upload
url: 'upload.php',
type: 'POST',
// Form data
data: new Form...
How to handle code when app is killed by swiping in android?
If my app is running and i press home button, the app goes in background. Now if a long press the home button and kill the app by swiping it from the recent app list, none of the events like onPause() , onStop() or onDestroy() gets called rather the process is terminated. So if i want my servic...
What is JSONP, and why was it created?
...omething like this:
mycallback({ foo: 'bar' });
As you can see, it will now invoke the method you specified. So, in your page, you define the callback function:
mycallback = function(data){
alert(data.foo);
};
And now, when the script is loaded, it'll be evaluated, and your function will be ...
Make function wait until element exists
...on of MutationObserver.
EDIT: All major browsers support MutationObserver now.
Something along the lines of this should do the trick:
// callback executed when canvas was found
function handleCanvas(canvas) { ... }
// set up the mutation observer
var observer = new MutationObserver(function (mut...