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Why are iframes considered dangerous and a security risk?
...iframe is also vulnerable to Cross Frame Scripting:
https://www.owasp.org/index.php/Cross_Frame_Scripting
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Ruby on Rails Server options [closed]
..., Mongrel, Passenger, Apache, Nginx and many more I am sure, and I don't really understand the different roles they play.
1...
Rolling or sliding window iterator?
...near the beginning are faster, or items near the end if you use a negative index.) I put a sum(w) in the body of my loop; this plays to the deque's strength (iterating from one item to the next is fast, so this loop ran a a full 20% faster than the next fastest method, pillmuncher's). When I change...
How to rename a table in SQL Server?
...'
Column
sp_rename 'db_name.old_table_name.name' 'userName', 'COLUMN'
Index
sp_rename 'db_name.old_table_name.id', 'product_ID', 'INDEX'
also available for statics and datatypes
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SQL- Ignore case while searching for a string
... full table scan as described in this post: alvinalexander.com/sql/…. An index search can not be applied, as the filtered column is modified by the UPPER/LOWER function.
– Jeff S.
Jul 12 '19 at 15:56
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Can you find all classes in a package using reflection?
...ith it you can easily achieve what you want.
First, setup the reflections index (it's a bit messy since searching for all classes is disabled by default):
List<ClassLoader> classLoadersList = new LinkedList<ClassLoader>();
classLoadersList.add(ClasspathHelper.contextClassLoader());
cla...
Make first letter of a string upper case (with maximum performance)
...t.First().ToString().ToUpper() + input.Substring(1);
}
}
}
Really old answers
public static string FirstCharToUpper(string input)
{
if (String.IsNullOrEmpty(input))
throw new ArgumentException("ARGH!");
return input.First().ToString().ToUpper() + String.Join("", input....
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...unction() {
subscribe.quit();
});
});
}
./public/index.html
<html>
<head>
<title>PubSub</title>
<script src="/socket.io/socket.io.js"></script>
<script src="/javascripts/jquery-1.4.3.min.js"></script>
</head>...
How many socket connections can a web server handle?
... traffic on a single Unix flavoured OS machine - https://blog.whatsapp.com/index.php/2012/01/1-million-is-so-2011/.
And finally, this one, http://highscalability.com/blog/2013/5/13/the-secret-to-10-million-concurrent-connections-the-kernel-i.html, goes into a lot of detail, exploring how even 10 mil...
Ways to implement data versioning in MongoDB
...l ensure, that 2 is the latest vid.
This way there's no need for a unique index, but the application logic has to take care of incrementing the vid on insert.
Remove a specific version:
update(
{ "_id":ObjectId("...") },
{ $pull:{ "data":{ "vid":2 } } }
)
That's it!
(remember the 16MB ...