4. current community

    your communities

    more stack exchange communities

    company blog

Stack Exchange

John Downey

United States

http://jtdowney.com

Developer and Product Security Lead @ Braintree

top accounts reputation activity favorites subscriptions
Top Questions
Top Answers
613
What is the single most influential book every programmer should read?
stackoverflow.com

426
How do you format an unsigned long long int using printf?
stackoverflow.com

145
How do you debug PHP scripts?
stackoverflow.com

131
How to return an XML string as an action result in MVC
stackoverflow.com

121
What is the point of interfaces in PHP?
stackoverflow.com

61
How do I index a database column
stackoverflow.com

27
Hashing a credit card number for use as a fingerprint
security.stackexchange.com

23
Essential Programming Tools
stackoverflow.com

23
How to implement unit testing in PHP?
stackoverflow.com

23
What is Reflected XSS?
security.stackexchange.com

19
php md5 algorithm that gives same result as c#
stackoverflow.com

18
Connect PHP to IBM i (AS/400)
stackoverflow.com

17
System.BadImageFormatException: How to fix .NET version mismatch?
stackoverflow.com

17
How to word-break on a dash?
stackoverflow.com

16
Adding a Method to an Existing Object Instance
stackoverflow.com

15
What is the best interview question?
stackoverflow.com

13
PHP + MYSQLI: Variable parameter/result binding with prepared statements
stackoverflow.com

12
Looking for algorithm that reverses the sprintf() function output
stackoverflow.com

11
LINQ on the .NET 2.0 Runtime
stackoverflow.com

11
Does sending credit card info over email violates PCI DSS?
security.stackexchange.com

10
How to get an “A” on Qualys SSL Labs with Apache 2.2?
security.stackexchange.com

10
SAML, and forcing a re-authentication
security.stackexchange.com

10
What is the best way to handle multiple permission types?
stackoverflow.com

8
How can Stripe be PCI-compliant?
security.stackexchange.com

8
Keyboard for programmers
stackoverflow.com

8
ASP, need to use SFTP
stackoverflow.com

7
Using a Public-Key-Encryption browser side to avoid PCI compliance
security.stackexchange.com

7
What is the threat model for AWS EBS volumes encryption?
security.stackexchange.com

6
With a very large number of GUIDs, can one predict the previous and subsequent GUIDs that will be generated?
security.stackexchange.com

6
Do I need a new CSR for a certificate renewal?
security.stackexchange.com

1 2