Marty Wallace questions

• php array_filter anonymous function passing $this [duplicate]
• Centering text within div containing sibling image
• Code Commenting - Should design pattern used be commented [closed]
• Git - merge from specific commit onwards
• PHP - instanceof v === null
• Order flat structure into tree knowing only parents
• Extend validation.js and validate single elements
• Python class members confusion
• python trim number without converting to string first
• Golang - mapping an variable length array to a struct

Marty Wallace answers