Howard questions

• Do I need a SMTP server in using the PHP's mail() function
• Implement nested loop with condition in Scala
• Failed to get dynamic instance variables via PHP's reflection
• Testing Android inapp subscription: You already own this subscription
• Fix Google PageSpeed's "Serve scaled images" for responsive layout
• Should I use an individual UINavigationController per Tab Bar
• Preferred way to name instance variable in Objective C [duplicate]
• What is the AWS DynamoDB Durability SLA?
• How to pass Regex in golang function
• Liskov's Substitution Principle - How to model Square and Rectangle [duplicate]

Howard answers