JJ Liu questions

• this() and this
• break javascript one line code to readable code
• Advanced SQL Select Query
• Redirect STDOUT and STDERR to socket in C?
• exec() any command in C
• Emoji in strings.xml file?
• Unit tests NPE, when I add fragment custom transitions
• Get time in milliseconds without an installing an extra package?
• How to JUnit test a iterator
• C++ How to send structures over socket?

JJ Liu answers