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CSRF Token necessary when using Stateless(= Sessionless) Authentication?
Is it necessary to use CSRF Protection when the application relies on stateless authentication (using something like HMAC)?
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Cleaner way to do a null check in C#? [duplicate]
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In a generic way, you may use an expression tree and check with an extension method:
if (!person.IsNull(p => p.contact.address.city))
{
//Nothing is null
}
Full code:
public class IsNullVisitor : ExpressionVisitor
{
public bool IsNull { get; private set; }
public ob...
How do I do word Stemming or Lemmatization?
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If you know Python, The Natural Language Toolkit (NLTK) has a very powerful lemmatizer that makes use of WordNet.
Note that if you are using this lemmatizer for the first time, you must download the corpus prior to using it. This can be done by:
>>> import nl...
Twitter Bootstrap - Tabs - URL doesn't change
I'm using Twitter Bootstrap and its "tabs".
15 Answers
15
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How do you pass multiple enum values in C#?
...t will accept multiple enum values in a single parameter. I always thought it was kind of neat, but never looked into it.
1...
How to fully clean bin and obj folders within Visual Studio?
If you right click on a folder, you will see a "Clean" menu item. I assumed this would clean (remove) the obj and bin directory.
However, as far as I can see, it does nothing.
Is there another way?
(please don't tell me to go to Windows Explorer or the cmd.exe)
I'd like to remove the obj and bin fo...
What is the largest Safe UDP Packet Size on the Internet
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It is true that a typical IPv4 header is 20 bytes, and the UDP header is 8 bytes. However it is possible to include IP options which can increase the size of the IP header to as much as 60 bytes. In addition, sometimes it i...
How to create a directory and give permission in single command
...follow
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edited Apr 26 '11 at 6:05
answered Apr 26 '11 at 5:33
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Best way to detect when a user leaves a web page?
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Try the onbeforeunload event: It is fired just before the page is unloaded. It also allows you to ask back if the user really wants to leave. See the demo onbeforeunload Demo.
Alternatively, you can send out an Ajax request when he leaves.
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IPN vs PDT in Paypal
...the notification. For that reason I would recommend implementing both.
With PDT you get the notification instantly and can do any additional processing required and show the user a confirmation page.
With IPN you are guaranteed to be notified that the payment was received even if the user's compu...