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Fastest Way of Inserting in Entity Framework
...he context after SaveChanges and create a new one. This clears the context from all entites, SaveChanges doesn't do that, the entities are still attached to the context in state Unchanged. It is the growing size of attached entities in the context what slows down the insertion step by step. So, it i...
How to make a HTTP request using Ruby on Rails?
I would like to take information from another website. Therefore (maybe) I should make a request to that website (in my case a HTTP GET request) and receive the response.
...
Scala actors: receive vs react
...is means that the complete thread stack is available and ready to continue from the point of "waiting" on receiving a message.
For example if you had the following code
def a = 10;
while (! done) {
receive {
case msg => println("MESSAGE RECEIVED: " + msg)
}
println...
What's the state of the art in email validation for Rails?
...ted:
/\A[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]+\z/
That was adapted from http://www.regular-expressions.info/email.html -- which you should read if you really want to know all the tradeoffs. If you want a more correct and much more complicated fully RFC822-compliant regex, that's on that pag...
How is location accuracy measured in Android?
...
By this time the GPS will be on. The GPS device needs at least 30 seconds from a cold start to get a fix, so if can get a fix it will return latitude and longitude but again with an accuracy, which will be the highest possible for an example 100 meters. The longer the GPS works, the better accuracy...
Interface defining a constructor signature?
...ters)
{
}
}
Now you'll need to create a new class that inherits from both the IDrawable interface and the MustInitialize abstract class:
public class Drawable : MustInitialize<GraphicsDeviceManager>, IDrawable
{
GraphicsDeviceManager _graphicsDeviceManager;
public Drawable...
What's the difference between an exclusive lock and a shared lock?
...k that part of the file.
A shared or read lock prohibits any other process from requesting a write lock on the specified part of the file. However, other processes can request read locks.
More on that : http://www.gnu.org/software/libc/manual/html_node/File-Locks.html
...
Are unused CSS images downloaded?
...s downloaded in Chrome.
I use this technique for measuring traffic-levels from non-JS-enabled users, as Google Analytics fails us here. I prefer using the background CSS image rather than a normal <img...> tag, because I'm working under the (untested) theory that bots are less likely to grab...
How to use java.net.URLConnection to fire and handle HTTP requests?
... set the cookie headers. You basically need to grab all Set-Cookie headers from the response of the login or the first GET request and then pass this through the subsequent requests.
// Gather all cookies on the first request.
URLConnection connection = new URL(url).openConnection();
List<String&...
Symfony 2: How do I check if a user is not logged in inside a template?
... check roles, but I am including them so other SO users can copy and paste from this in the future. - everytime I google this, I end up here!
Symfony Doc Sources:
http://symfony.com/doc/current/book/security.html
http://symfony.com/doc/current/cookbook/security/remember_me.html
Check if any u...