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Is it possible to ping a server from Javascript?
... You need to ping the servers concurrently. You can achieve that with select, threads or processes. For really hardcore solution you could use Eventmachine.
– Epeli
Nov 26 '10 at 2:59
...
How to paginate with Mongoose in Node.js?
... perPage = 10
, page = Math.max(0, req.param('page'))
Event.find()
.select('name')
.limit(perPage)
.skip(perPage * page)
.sort({
name: 'asc'
})
.exec(function(err, events) {
Event.count().exec(function(err, count) {
res.render('events', {
...
Cannot obtain value of local or argument as it is not available at this instruction pointer, possibl
...fixed it for me in VS2017 Community! No idea when or how this option got deselected...
– Ian Kemp
Dec 25 '18 at 21:05
...
PDOException “could not find driver”
...your server.
In Ubuntu/Debian you check for the package with:
dpkg --get-selections | grep php | grep mysql
Install the php5-mysql package if you do not have it.
In Ubuntu/Debian you can use:
PHP5: sudo apt-get install php5-mysql
PHP7: sudo apt-get install php7.0-mysql
Lastly, to get it wo...
How do I manage conflicts with git submodules?
...ed by the one.one branch of supery.
If that is the case, then you need to select the ref that you want and commit that change to resolve the conflict. Which is exactly what you are doing with the reset command.
This is a tricky aspect of tracking different versions of a submodule in different bran...
Remove multiple keys from Map in efficient way?
...ng,String> with large number of key values pairs. Now I want to remove selected keys from that Map . Following code shows what I did to achieve that.
...
UINavigationController “back button” custom text?
...
You can set the text in the Interface Builder:
Select the navigation item of the ViewController that the back button would return to:
In the utilities panel attribute inspector, enter your label for the Back Button:
I would prefer this approach over setting the titl...
Remove columns from DataTable in C#
...
Aside from limiting the columns selected to reduce bandwidth and memory:
DataTable t;
t.Columns.Remove("columnName");
t.Columns.RemoveAt(columnIndex);
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...
Best way to check if UITableViewCell is completely visible
...e cell
[((VideoMessageCell*)cell) muteVideo:!btnMuteVideos.selected];
}
else
{
// mute the other video cells that are not visible
[((VideoMessageCell*)cell) muteVideo:YES];
}
}
}
}
...
How to completely remove node.js from Windows
...p going to the Downloads folder right clicking the node-v8.2.1-x64 MSI and selecting uninstall.. this worked.
Regards,
Jon
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