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How to play audio?
I am making a game with HTML5 and JavaScript.
19 Answers
19
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How to solve privileges issues when restore PostgreSQL Database
...e all permission related issues for specific users but as stated in the comments this should not be used in production:
root@server:/var/log/postgresql# sudo -u postgres psql
psql (8.4.4)
Type "help" for help.
postgres=# \du
List of roles
Role name | Attributes | Member of
-...
How does `scp` differ from `rsync`?
...e call.
rsync A host:B
rsync will check files sizes and modification timestamps of both A and B, and skip any further processing if they match.
If the destination file B already exists, the delta transfer algorithm will make sure only differences between A and B are sent over the wire.
rsync wil...
Get User's Current Location / Coordinates
... = self
locationManager.desiredAccuracy = kCLLocationAccuracyNearestTenMeters
locationManager.startUpdatingLocation()
}
Then in CLLocationManagerDelegate method you can get user's current location coordinates:
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations...
How do I sort a vector of pairs based on the second element of the pair?
...est solution is very easy to write thanks to lambdas that can now have parameters of type auto. This is my current favorite solution
std::sort(v.begin(), v.end(), [](auto &left, auto &right) {
return left.second < right.second;
});
Just use a custom comparator (it's an optional 3...
How to copy a selection to the OS X clipboard
...register to access the clipboard.
"Mac OS X clipboard sharing" may have some ideas that work for you as well.
share
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How do I clear the std::queue efficiently?
I am using std::queue for implementing JobQueue class. ( Basically this class process each job in FIFO manner).
In one scenario, I want to clear the queue in one shot( delete all jobs from the queue).
I don't see any clear method available in std::queue class.
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How to show the “Are you sure you want to navigate away from this page?” when changes committed?
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Update (2017)
Modern browsers now consider displaying a custom message to be a security hazard and it has therefore been removed from all of them. Browsers now only display generic messages. Since we no longer have to worry about setting the message, it is as simple as:
// Enable naviga...
@Html.BeginForm Displaying “System.Web.Mvc.Html.MvcForm” on Page
I have a razor view that I added a delete button to inside of an 'if' statement and when the view is rendered in the browser it is displaying "System.Web.Mvc.Html.MvcForm" next to the delete button.
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
Given this document saved in MongoDB
17 Answers
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