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ããã¾ã§Perlãå©ç¨ããæå éçºç°å¢ã§ã©ã®ããã«cronãåãããè¿·ã£ã¦ããã®ã ãã©ããã®è§£æ±ºçãè¦ã¤ãã£ãã®ã§ã¡ã¢ã èª²é¡ éçºãµã¼ããæ¬çªãµã¼ãã§ã¯cronã§å®æçã«ã¹ã¯ãªãããå®è¡ããã¦ãã å®æçã«å®è¡ããã¦ããã¹ã¯ãªãããåããªãã¨ãæ£ããåããªãæ©è½ããã ä¾ãã°äºç´æ稿ã¿ãããªæ©è½ãªã© ãããæå éçºç°å¢ã§ã¯cronã®ããã«å®æçã«ã¹ã¯ãªãããå®è¡ãã¦ããªãã£ã çµæã¨ãã¦ãæå éçºç°å¢ã§æåã§ã¹ã¯ãªãããåãããªãã¨ç¢ºèªã§ããªãæ©è½ããã£ã 解決çã¨ãã¦æå ã§ãcrontabãæ¸ãæ¹æ³ãããã®ã ãã©ããã®å ´åéçºãã¦ããªãæãåæã«å®è¡ãããã®ã§é¿ãããã£ãã 解決æ¹æ³ å®ã¯Proclet ã¨ãããã¼ã«ã«ããµã¼ããèµ·åããªããå®æçã«æå®ããã³ã¼ããå®è¡ãã¦ãããæ©è½ãããã¨ãããã¨ã«æ°ã¥ããã詳ããã¯SYNOPSISãåç §ã ããã使ã£ã¦cronã«æå®ãã¦ããã¹ã¯ãªãã
Perlã®é¢æ°ã«ã¯å¼æ°ãçç¥ããå ´åã«$_ãå¼æ°ã¨ãã¦ä¸ãããããã®ã¨ãã¦æ¯ãèãé¢æ°ããããããã®æ§è³ªã使ãã¨æ°æã¡æªãã»ã©Haskellã£ã½ãã³ã¼ããPerlã§æ¸ããã¨ãã§ããã éã«ãèªåã®ãããªPerlããã°ã©ãã¼ãHaskellã«å ¥éããæã¯ãããã¼ããã§ã¯$_ãçç¥ããã¦ãã®ããã£ã¦èããã¨ãã¤ã³ãããªã¼è¨æ³ã¨ãç解ããããã¨æã£ãã map ã¾ãã¯åºæ¬ä¸ã®åºæ¬ã®mapã Perl $, = ","; ## ãªã¹ãåºåã®ã»ãã¬ã¼ã¿ (以ä¸åæ§) $\ = "\n"; ## åºåè¡ã®æ«å°¾ (以ä¸åæ§) my @fruits = qw(apple orange strawberry); print map { length } @fruits; # => 5,6,10
Perl ⺠ã¢ã¸ã¥ã¼ã« ⺠here XML::Simpleã¢ã¸ã¥ã¼ã«ã使ãã¨ç°¡åã«XMLã解æãã¦Perlã®ãã¼ã¿æ§é ã«å¤æãããã¨ãã§ãã¾ããXMLã®è§£æææ³ã«ã¯ãå é ããé 次解æãè¡ãSAXãã¨ãXMLããªã¼æ§é ãæ§ç¯ããDOMããæåã§ãããç°¡åã«æ±ãã¨ããç¹ã§ã¯ãXML::Simpleãä¸çªã§ãã XMLã¯ããã¹ããã¡ã¤ã«ã«ãã¼ã¿ãè¨è¿°ããã¨ãã®ä¸è¬çãªãã©ã¼ãããã§ããããã°ã©ã ã®è¨å®ãã¡ã¤ã«ãè¨è¿°ããã¨ããªã©ã«å©ç¨ãããã¨ãã§ãã¾ãã # ã¢ã¸ã¥ã¼ã«ã®èªã¿è¾¼ã¿ã¨ãªãã¸ã§ã¯ãã®çæ use XML::Simple; my $xml = XML::Simple->new; XMLãã¡ã¤ã«ãèªã¿è¾¼ãã«ã¯XMLinã¡ã½ããã使ç¨ãã¾ããXMLã¯Perlã®ãã¼ã¿æ§é (å¤æ¬¡å ã®ããã·ã¥ãé å)ã«å¤æããã¾ãã # XMLãã¡ã¤ã«ã®ãã¼ã¹ my $data = $xml->XMLin('
ããä½ Perl 㧠MeCab ã CaboCha ã使ãéã®é©å½ã«ã¡ã¢ MeCab ã«é¢ãã¦ã¯æ å ±ãå¤ãã CaboCha ã¯ãã¾ãç¡ãã®ã§ Mac + Perl ã§ãããæ¹ã¯æ°æã¡åèã«ãã¦é ãããã¨æã ç¹ã«èªç¶è¨èªå¦çã®ç 究ãã¡ã¤ã³ã§ã¯ãªãããææ¸æ§é ãªã©é©åº¦ã«åå¾ãã¦ä½¿ãããåé å ¨ã触ããäºç¡ã人ã§ã便å©ã©ã¤ãã©ãªã使ãäºã§ä»¥ä¸ã®ããã«è²ã éã¹ã æ¸ã人ãæ¸ãã°ä»¥ä¸ã®ãããªé©å½ãªã®ã§ããã¯ã稼ãã ä¾ Twitter ãã tweet ãåå¾ããMeCab ã§å½¢å®¹è©æ½åºèªã«å ¬éè³æº/æ¥æ¬èªè©ä¾¡æ¥µæ§è¾æ¸ - æ±åå¤§å¦ ä¹¾ã»å²¡ï¨ç 究室ã使ã£ã¦ããã·ã¥ã¿ã°æ¯ã®ææ§åæãè¡ã 注ç®ããã·ã¥ã¿ã°ã®ä¸ãããããã¼åº¦åãè¨ç®ãã¦åãä¸ãããããªãµã¼ãã¹ MeCab ã§åè©ã®ã¿æ½åºããBagOfWords ã¨ãã¦ãã¤ã¸ã¢ã³ãã£ã«ã¿ã«ããã¦ã¹ãã å¤å®ï¼LDA 使ã£ã¦ãããã¯æ¨å® CaboCha
ãã®è¨äºã¯ãPerl Advent Calendar 2014 - Qiita ã®6æ¥ç®ã®è¨äºã§ããï¼â»åå¦è åãï¼ ã·ã¥ãã¨å¤æ°ã®æ§åãè¦ã Perlã§ããã°ã©ã ãæ¸ãã¦ãã¦ããããã®å¤æ°ãªã«ãå ¥ã£ã¦ãã®ããªï¼ãã¨èª¿ã¹ããå ´åããã®ããã«printã§è¡¨ç¤ºãããããã°ã©ã ãæ¸ã㨠use strict; use warnings; my @array = (1, 2, 3, 4, 5); my $array_ref = [@array]; my %hash = ( name => "tarou", age => 20, ); my $hash_ref = {%hash}; print @array, "\n"; # => 12345 print %hash, "\n"; # => nametarouage20 print $array_ref, "\n"; # => ARRAY(0x7fd
Inspired by how scandalously Unicode-deficient the otherwise fine 4-way polyglot table comparing PHP, Perl, Python, and Ruby is at http://hyperpolyglot.org/scripting I created a quick Unicode cheatsheet for Perl, mostly by mining the examples in the new 4th edition of the came. Gee, I foresee a *whole* lot of "impossibles" in the other three languages' columns, don't you? :) Hm, have I left anythi
Perl ⺠æåã³ã¼ã ⺠Unicode ⺠ã³ã¼ããã¤ã³ã ããæåã®ã¦ãã³ã¼ãã®ã³ã¼ããã¤ã³ããç¥ãããå ´åã¯ã次ã®ããã«ãã¾ããutf8ãã©ã°ãã¯æå¹ã«ãã¦ãã½ã¼ã¹ã³ã¼ããUTF-8ã§ä¿åããå¿ è¦ãããã¾ãã use utf8; my $str = 'ã'; # åå é²æ°ã¨ãã¦è¡¨ç¤º printf "%x\n", ord($str); ordé¢æ°ã§æåã®ã³ã¼ããã¤ã³ããç¥ããã¨ãã§ãã¾ããprintfé¢æ°ã§%xã¨ãããã©ã¼ãããæå®ããã¦16é²æ°ã§è¡¨ç¤ºãã¦ãã¾ãã åºåçµæã¯ä»¥ä¸ã®ããã«ãªããããã¨ããæåã®ã³ã¼ããã¤ã³ãã¯3042ã§ãããã¨ããããã¾ãã 3042 Data::Dumperã§ç°¡æçã«èª¿ã¹ã Data::Dumperã¢ã¸ã¥ã¼ã«ã使ã£ã¦ç°¡æçã«èª¿ã¹ãæ¹æ³ãããã¾ããData::Dumperã¯ASCIIã®ç¯å²ã§ãªãæåã§ããã°ãå é¨æååãåºåããã¨ãã«ãã³ã¼ããã¤ã³ã
Perlã®5.8以éã§ã¯ãå²ã¨ç°¡åã«Unicodeã使ããããã«ãªã£ã¦ãã¾ãã èªåã®åå¿é²ãå ¼ãã¦ãç°¡åã«ä½¿ãæ¹ãã¾ã¨ãã¦ããã¾ãã Perlã®source codeãUnicodeã§æ¸ã Source codeãBOM(byte order mask)ãªãã®utf8ã§æ¸ãã¾ãã ããã¦ã次ã®ããã«"use utf8;"ã¨æ¸ãã¦ããã°ãã¨ãããã source codeå ã§Unicodeæååãæ±ããã¨ãã§ãã¾ãã #!/usr/bin/perl use utf8; #use strict; $somevar = "æ¼¢åã®æåå"; $somevar = "\x{3042}\x{3044}\x{3046}"; ## "ããã" æ¨æºå ¥åºåã®æåcode ä¸è¨ã®ããã«ããã°ãsource codeãUnicodeã§æ¸ããã¨ã¯ã§ãã¾ãã ãããããã®ã¾ã¾ã§ã¯æååãprintããã¨utf8ã®
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Session Fixation XSS ãäºåã«åå¾ããã»ãã·ã§ã³ãå©ç¨è ã«éãè¾¼ãã§æ¨©éãææ ¼ãããé¡ã®æ»æã§ãã»ãã·ã§ã³IDãã¯ã¨ãªã«å«ã¾ããããã·ã¼ã±ã³ã·ã£ã«ãªã»ãã·ã§ã³IDãç¨ãããããªæããªãã¨ãããªããã°åºæ¬çã«åé¡ã¯ãªããã®ã®ã Session Fixation ã¸ã®æ ¹æ¬çãªå¯¾çã¨ãã¦ããã°ã¤ã³æåå¾ã«ããã¾ã§ã®ã»ãã·ã§ã³ãç ´æ£ããæ°ããã»ãã·ã§ã³ãçºè¡ãããã¨ãæã¾ããã Session Fixation ã«ã¤ãã¦è©³ãããã¨ã¯ IPA ã®åºãã¦ãããå®å ¨ãªã¦ã§ããµã¤ãã®ä½ãæ¹(pdf)ãæ¹å®ç¬¬4ç p.15 ãã p.20 ã«èª¬æãããã¾ãã 0.13 ä»ã¾ã§ P::M::Session ã§ã¯ãã°ã¤ã³æåå¾ã«æ°ããã»ãã·ã§ã³ãéå§ããã®ã«ã¡ãã£ã¨ããç´°å·¥ãå¿ è¦ã§ãããã 0.13 ããã¯å¤ãã»ãã·ã§ã³ã®ç ´æ£ã¨ãããããã»ãã·ã§ã³ã®çºè¡ãã $request->env->{
ããç¼ãã®é£æãè²·ã£ã¦å¸°ã£ãã¯ãããã®ã®çªç¶ä¿®æ£ããªãã¦ã¯ãããªãã³ã¼ããéã£ã¦ãã¾ãã¦ã èªçããæéããªãã¦ãããããªã æé«ã®ã©ã¼ã¡ã³ ãé£ã¹ããã¼ããã¹ã¼ã§ãã ä»åã¯Mojoliciousã®ã»ãã·ã§ã³ã«ã¤ãã¦ã®ã話ããã¨ãã¨åãã£ã¦ããMojoliciousã®ã»ãã·ã§ã³ã使ãã«ã¯ãã®ãããªæä½ããã¾ãã #!/usr/bin/env perl use Mojolicious::Lite; app->secret('passphrase'); get '/' => sub { my $self = shift; $self->session->{count}++; $self->stash->{count} = $self->session->{count}; $self->render('index'); }; app->start(); __DATA__ @@ index.ht
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