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Myoungjin Jeon

  • About: JG's blog for perl (-; I'm a chef and enjoying coding for my life.
  • Commented on Late Weekly challenge 67 #1 only
    I don't know about python language but I tested with someone's code time python3 Task1.combination.using-lib.py > /dev/null ________________________________________________________ Executed in 213.78 secs fish external usr time 52.31 secs 0.00 millis 52.31 secs sys time 20.40 secs 4.54 millis 20.39 secs...
  • Posted Late Weekly challenge 67 #1 only to Myoungjin Jeon

    I wrote some library to make combination in 2013.

    I think that finding combination isn't necessarily written using recursive calling.
    so this is my first "working" solution.

    it is possible t…

  • Commented on No semicolon after return values
    I used to use the statement without explicit return for constants and subroutines which has error message as their return value. sub readOnly ( $; ) { shift->read_write } or sub validate ( $;$ ) { my $error; ... $error;...
  • Commented on Just want to know WNOHANG...
    use POSIX qw(:sys_wait_h); will increase about 1MiB of memory in my system. This may be or may not be considerable. but I guess using several modules would result in 3~5MiB increase without any useful things. It's an method to avoid...
  • Commented on Just want to know WNOHANG...
    I realized that an installer can do this. but sometimes I put this kind of script in a archive or USB like using a PortableApps and in that case, this ensure the correct value of constant. thank you for reply....
  • Posted Just want to know WNOHANG... to Myoungjin Jeon
    package MyApp;
    
    our $WNOHANG_VALUE ||= `$^X -MPOSIX=:sys_wait_h -e "print WNOHANG;"`;
    sub WNOHANG () { $WNOHANG_VALUE }
    
    !!'^^';
    

    sigh maybe useful for a long-time running program if you are…

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