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What is the difference between Fragment and FragmentActivity?
...ager fm = myFragmentActivity.getSupportFragmentManager()
Also useful to know is that while a fragment has to be embedded in an Activity it doesn't have to be part of the Activity layout. It can be used as an invisible worker for the activity, with no UI of its own.
...
Get the IP address of the remote host
...est.RemoteIpAddress;
}
}
return null;
}
}
Now you can use it like this:
public class TestController : ApiController
{
[HttpPost]
[ActionName("TestRemoteIp")]
public string TestRemoteIp()
{
return Request.GetClientIpAddress();
}
}
...
Which method performs better: .Any() vs .Count() > 0?
in the System.Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods .
...
Rails: Using build with a has_one association in rails
... people looking for this answer than the actual questions' answer, if you know what I mean.
– Max Williams
Nov 10 '17 at 11:53
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Remote Connections Mysql Ubuntu
...t it
Then, Restart the Ubuntu MysQL Server
systemctl restart mysql.service
Now Ubuntu Server will allow remote access to the MySQL Server, But still you need to configure MySQL users to allow access from any host.
User must be 'username'@'%' with all the required grants
To make sure that, MySQL serv...
CruiseControl [.Net] vs TeamCity for continuous integration?
...ge of the improved code coverage capabilities and GIT support. We are also now using the personal build and pre-tested commit features that have been in for a while. I just thought I should update the answer to indicate that TeamCity keeps improving and is still easy to use.
...
Pimpl idiom vs Pure virtual class interface
...s case, because it's the only member) from the pointer to the A object it knows to be this.
On the user side of the code, a new A will first allocate sizeof(A) bytes of memory, then hand a pointer to that memory to the A::A() constructor as this.
If in a later revision of your library you decide t...
How does a Java HashMap handle different objects with the same hash code?
...ith the keys of all pairs in the bucket, by comparing them with equals().
Now you can see how this is very efficient for looking up key-value pairs in a map: by the hash code of the key the hashmap immediately knows in which bucket to look, so that it only has to test against what's in that bucket....
What is causing “Unable to allocate memory for pool” in PHP?
... when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory so most of php files are always cached. It's not a waste, it's more efficient to keep opcode in ram rather than having...
Why is the standard session lifetime 24 minutes (1440 seconds)?
...ode.
Then PHP4 came out in the year 2000 with native session support, but now the lifetime was specified in seconds.
I'll bet someone just never bothered converting minutes to seconds. It's probable that person was Sascha Schumann. Once that value was coded into the Zend engine, it became the co...