How to convert datetime to date in crystal report

date({table.datetimefield})

Generating the SQL equivalent of Guid.Empty

SELECT CAST(0x0 AS UNIQUEIDENTIFIER)

PayPal “The Operation has timed out” with specific Credit Card

4111111111111111 wont work.

Name: Any Name
Card Number: 
You can use the below test cards 

1. 4446283288032978
2. 4446283288034636
3. 4446283288031707
4. 4446283288033059

Card Type: visa

Expiration Date: Any Future Date

Security Code: any 3 digits

How to allow download of .json file with ASP.NET

Add

<staticContent>
    <mimeMap fileExtension=".json" mimeType="application/json" />
</staticContent>

to web.config system.webServer section

Publish a site from Visual Studio to IIS without admin rights?

Create a website in IIS that points to folder that is not protected by UAC