C++

• How is the three-way comparison operator different from subtraction?
• Is it possible that a compiled program does not contain an instantiated template class?

C

• Is it well-defined to use a pointer pointing to one-past-malloc?
• strcpy()/strncpy() crashes on structure member with extra space when optimization is turned on on Unix? and a related one:
  • Is it OK to access past the size of a structure via member address, with enough space allocated?
• Why does integer division by -1 (negative one) result in FPE?

General

• Why are loops always compiled into “do…while” style (tail jump)?

Other

• How do antivirus softwares conflict with each other? (Super User)
• What exactly is “UEFI with CSM” boot mode?