C++:ios
   Independent flags (switch on) 
  -  boolalpha: Alphanumerical bool values 
  -  showbase: Show numerical base prefixes 
  -  showpoint: Show decimal point 
  -  showpos: Show positive signs 
  -  skipws: Skip whitespaces 
  -  unitbuf: Flush buffer after insertions 
  -  uppercase: Generate upper-case letters 
  
  Independent flags (switch off) 
  -  noboolalpha: No alphanumerical bool values 
  -  noshowbase: Do not show numerical base prefixes 
  -  noshowpoint: Do not show decimal point 
  -  noshowpos: Do not show positive signs 
  -  noskipws: Do not skip whitespaces 
  -  nounitbuf: Do not force flushes after insertions 
  -  nouppercase: Do not generate upper case letters 
  
   -  dec: Use decimal base 
  -  hex: Use hexadecimal base 
  -  oct: Use octal base 
  
   -  fixed: Use fixed floating-point notation 
  -  scientific: Use scientific floating-point notation 
  
   -  internal: Adjust field by inserting characters at an internal position 
  -  left: Adjust output to the left 
  -  right: Adjust output to the right 
  
  See also