VirtualTam's bookmarks

1. 0.30000000000000004 2019-09-09

   tags: approximation, arithmetic, float, hardware/ram, memory, programming

   [ permalink ]

   • https://en.wikipedia.org/wiki/Floating-point_arithmetic
   • https://standards.ieee.org/standard/754-2008.html
   • https://stackoverflow.com/questions/588004/is-floating-point-math-broken/588014#588014
   • https://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
2. scripting - What does passing the -xe parameters to /bin/bash do - Server Fault 2018-11-27

   tags: programming/shell/bash, script

   [ permalink ]

    -e      Exit  immediately  if a pipeline (which may consist of a
    single simple command),  a subshell command enclosed in parentheses,
    or one of the commands executed as part of a command list enclosed by
    braces (see SHELL GRAMMAR above) exits with a non-zero  status. 
   
    -x      After expanding each simple command, for command, case
    command, select command, or arithmetic  for  command,  display
    the  expanded value of PS4, followed by the command and its
    expanded arguments or associated word list.