Are there any MySQL queries or software packages for "findingsimilar items" I have a MySQL database of answered algebra questions. Questions are stored as text strings. Examples are ``two dice are rolled. find the odds that the score on the dice is either 10 or at most 5'' ``if x is the first of three consecutive even intethe product of twice a number and three is the same as the dif... 7 Jul 2010 07:56
FAQ 4.65 How can I get the unique keys from two hashes? This is an excerpt from the latest version perlfaq4.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 5 Jul 2010 12:10
FAQ 5.38 Why does Perl let me delete read-only files? Why does"-i" clobber protected files? Isn't this a bug in Perl? On 2010-07-05 10:00, PerlFAQ Server <brian(a)theperlreview.com> wrote: 5.38: Why does Perl let me delete read-only files? Why does "-i" clobber protected files? Isn't this a bug in Perl? This is elaborately and painstakingly described in the file-dir-perms article in the "Far More Than You Ever Want... 7 Jul 2010 07:56
close STDERR considered puzzling perl -wle "close STDERR; open F, q(>), q(/dev/tty) or print 11; print fileno F; warn 22; print STDERR 33; print $x+77" Try to guess the output (use /dev/con on DOSISH, ' otherwise). Solution below: . . . . . . . . . . . . . . . . . . . . . ... 6 Jul 2010 07:51
FAQ 5.38 Why does Perl let me delete read-only files? Why does "-i" clobber protected files? Isn't this a bug in Perl? This is an excerpt from the latest version perlfaq5.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 7 Jul 2010 18:59
FAQ 1.10 Can I do [task] in Perl? This is an excerpt from the latest version perlfaq1.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 5 Jul 2010 00:14
FAQ 4.70 How can I use a reference as a hash key? This is an excerpt from the latest version perlfaq4.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 4 Jul 2010 18:48
FAQ 5.16 How come when I open a file read-write it wipes it out? This is an excerpt from the latest version perlfaq5.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 4 Jul 2010 12:15
FAQ 2.7 Is there an ISO or ANSI certified version of Perl? This is an excerpt from the latest version perlfaq2.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 4 Jul 2010 06:51
FAQ 5.29 How can I read in an entire file all at once? This is an excerpt from the latest version perlfaq5.pod, which comes with the standard Perl distribution. These postings aim to reduce the number of repeated questions as well as allow the community to review and update the answers. The latest version of the complete perlfaq is at http://faq.perl.org . --------... 25 Jul 2010 19:27 |