var iro = new Array(5);
var oto = new ArrayïŒ5ïŒ;
iro [0] = "aka";
iro [1] = "shiro";
iro [2] = "daidai";
iro [3] = "ao";
iro [4] = "murasaki";
ãšãããããªé åããã£ãŠã
function play(doko) {
if (doko != iro [2]) {
oto[bunya] = -1;
alert("ã¡ãã»ãŒãžïŒ");
}
else {
alert("ã¡ãã»ãŒãžïŒ");
}
}
.......
ãšãããããªé¢æ°ããã£ããšãã
oto[bunya] = -1;
alert("ã¡ãã»ãŒãžïŒ");
ã¯ã©ã®ãããªããšãåœä»€ããŠããã®ã§ããããã
ã-1ãã®æå³ãåãããŸããã説æãäžæã§ã
ããŸããã
ãã€ãããããšãããããŸãããããããé¡ãèŽããŸãã
----
æ¿æ©åœç·ïŒããã¯ãïŒ
020904-4
In message news:t2xf9.535$74.5...@news1.dion.ne.jp
"kunio Itahashi" <kunit...@h2.dion.ne.jp> wrote ...
> ããŸããããããã-1ããšãããªãã ãèš³ã®åãããªãæ°åã«
> ééããŠãäœãäœã ãé ãæ··ä¹±ããŠåãããªããªã£ãŠããŸã
> ãŸãããä»è¯ãäŸãããã«ç€ºããªãã®ã§ããã
ïœ
> oto[bunya] = -1;
> alert("ã¡ãã»ãŒãžïŒ");
> ã¯ã©ã®ãããªããšãåœä»€ããŠããã®ã§ããããã
> ã-1ãã®æå³ãåãããŸããã
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šäœãæ³åã§ããŸãã
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ããããäºåã« oto ã®é
åããªãããã®å€ã§åæåããããã§
for ( i=0 ; i < oto.length ; i++ ) oto[i] = i;
play() ãåŒã³åºããããã®åŸ
if (oto[bynya] < 0)
ã®ãããªããã¡ã§ãªã«ãå€æãããããªå Žé¢ãããããããªãã§
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ããããã«ãåã«å€ã代å
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# å€ã代å
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šäœãèŠãªããšãªããšãèšããŸããã
alert("message") ã¯ã¢ã©ãŒããã€ã¢ãã°ããã¯ã¹ã«ãã
ã¡ãã»ãŒãžã®è¡šç€ºã§ããããã¡ãã¯è¯ãã§ãããïŒ
--
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sugi...@bk.iij4u.or.jp
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if (navigator.appVersion.indexOf("MSIE") != -1)
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ãããŸãããå®ãããé¡ãããããŸãã
--
æ¿æ©åœç·
kunit...@h2.dion.ne.jpãã:
> if (navigator.appVersion.indexOf("MSIE") != -1)
> ããããã©ãŠã¶ã®çš®é¡ãšããŒãžã§ã³ã«ãã£ãŠæ¡ä»¶åã
> ããŠããã®ã¯åããã®ã§ããã
> != -1
> ãšããã®ã¯ã©ãããæå³ãªã®ã§ããããã
indexOf()ãäœã§ãããåãããªããšããnavigator.appVersion ã¯æ
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šäœã¯ãnavigator.appVersionã«æ ŒçŽãããŠ
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ãªãã§ãã? ãªããšãªãããã°ã©ã ããã¹ããã
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ãåããã«ãªããŸã? ä¹
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ku...@gssm.otsuka.tsukuba.ac.jp wrote in message ...
ã¯ãããªããšãªããïŒããã°ã©ãã®éã¯é ãïŒïŒ
ã§ãã-1ãè¿ããã£ãŠäœãªã®ã§ããããïŒ
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--
æ¿æ©åœç·ïŒããã¯ãïŒ
kunit...@h2.dion.ne.jpãã:
> ã§ãã-1ãè¿ããã£ãŠäœãªã®ã§ããããïŒã-1ãã¯äœãã®çŽæã®ãã
> æ°åã§ããïŒãããåãããªãã®ã§ãã
indexOf()ã¯ãã©ã®äœçœ®ã«ããŠã¯ãŸããããšããæ°å€ãè¿ããŸãããã
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æ Œã§ããECMA-262ã«ãããŠStringã®indexOf()ã¯ãèŠã€ãããªãã£ããš
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äœãçŽåŸè¡ããªãã®ãããåãããŸãããâŠ ä¹ é
In article <am9195$2g...@utogw.gssm.otsuka.tsukuba.ac.jp>
ku...@gssm.otsuka.tsukuba.ac.jp writes:
> ãã®å Žåã0ããæååã®é·ããã€ãã¹1ãŸã§ã®æ°å€ãè¿ããããããªã
> ã§ããã
ãããããã0 ããæååã®é·ããã€ãã¹ 1 ãŸã§ãã£ãŠã®ã
ããããèªç¶ãããããŸãããã£ãŠã®ã¯ããŠããã
> ãã©ããã«ããŠã¯ãŸã£ãã
> ã®ãšæ··åããªãå€ãšããŠã¯ã-1ããçŽ çŽãªããããªãã§ããã
ããããçŽ çŽãããããŸããã
ãã¡ãããã³ã³ãã¥ãŒã¿çã«ã¯ãããã楜ãã ããããããŠã
ããã§ãããæ®éã®äººéã®æèããããã°ãããäžèªç¶ãªã
äžçš®ã®ããžçå±ãã ãšæããŸãã
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ãçŽ çŽãã ãšæãããã«ãªãã£ãŠããšãå«ããã§ããã...
> äœãçŽåŸè¡ããªãã®ãããåãããŸãããâŠ ä¹ é
ã£ãŠããããšã ãšæã£ããã§ãããå€ããŠããããããªããã
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> > ãã©ããã«ããŠã¯ãŸã£ãã
> > ã®ãšæ··åããªãå€ãšããŠã¯ã-1ããçŽ çŽãªããããªãã§ããã
>
> ããããçŽ çŽãããããŸããã
ä»ã»ããããããããšèšã£ã!
# 2ch çšèªã®äœ¿ãæ¹ãã£ãŠãŸãã? :p
> æ®éã®äººéã®æèããããã°ãããäžèªç¶ãªãäžçš®ã®ããžçå±ãã ãšæããŸ
> ãã
C ã® EOF ãªãããç§ã¯å«ãã§ã.
# ãããã©ããªã®ãããã®ãã£ã€ãŒãšâŠäŸå€åŠçã«ãªãã®ããª?
--
Kazuo Fox Dohzono / doh...@hf.rim.or.jp
doh...@hf.rim.or.jpãã:
> # ãããã©ããªã®ãããã®ãã£ã€ãŒãšâŠäŸå€åŠçã«ãªãã®ããª?
Stringã®indexOf()ã§äŸå€è¿ãããããŠã¶ããã§ããããifæã ãã§
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falseãªãããã®ã? ããããããã ä¹ é
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ïŒãšããã®ã¯ãã¡ãã¡ã§ãã(^^;ïŒ
-+-+-+---*--+
UEHARA Shigeo :> u-og...@ma4.seikyou.ne.jp
u-og...@ma4.seikyou.ne.jpãã:
> ãåœãã®ãšã0ããçãã¯ãããŠã-1ã£ãŠèšèªã§è²ã£ãã®ã§ã
> æèŠçã«falseçžåœãªã®ã-1ãªã®ã¯ãªããéåæãã£ããããŸãã
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é ããã1ãã§ããèšèªã§è²ã£ããšã :-) ä¹
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In message news:nnTh9.925$74.11...@news1.dion.ne.jp
"kunio Itahashi" <kunit...@h2.dion.ne.jp> wrote ...
> ã§ãã-1ãè¿ããã£ãŠäœãªã®ã§ããããïŒ
> ã-1ãã¯äœãã®çŽæã®ããæ°åã§ããïŒ
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ç¹ã«çŽæãšããã®ã¯ç¡ãã§ãã
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å Žåã¯ã以äžã®ããã«ãªããŸãã
var str = "ABCDEFG";
var idx;
idx = str.indexOf("ABC");
/* idx ã«ã¯ 0 ã代å
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idx = str.indexOf("CD");
/* idx ã«ã¯ 2 ã代å
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ãããŠãããæå®ããæååãç¡ãå Žåãidx ã«ã¯ -1 ã
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idx = str.indexOf("HI");
/* idx ã«ã¯ -1 ã代å
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if ( æ¡ä»¶åŒ ) {
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> falseãªãããã®ã? ããããããã ä¹ é
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> ãªããã®ã§ããã? ç§ã¯ãããåããŠäŒã¿äžã«èããŠããã®ã§ãã.
åã«æžããŸããããäŸå€ã¯å¶åŸ¡ã®æµãã移ããŠããŸããŸãããã
if(èŠã€ãããªããã°) ã¡ãã£ãšäœããã
ãšãã䜿ãæ¹ããããæã«ã¯äžåããªãã§ããããSNOBOLãICONã£ãŠã
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šäœã®å®è¡ãæåãããã©ã
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šäœã倱æããŠããããããªãã£ããšãã以é
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ãªæãããããããã®ãå
šéšãå€ã ãã§ãªãæå/倱æã®åºåãè¿ãã
ããã«ãªã£ãŠããŸããã
> ãæåïŒå€±æããšãããããç¶æ
ã§ãæå®ããããªããžã§ã¯ããšã¡ãœããã®çµ
> ã§ã¯æå³ã®ããå€ãåŸãããªããã瀺ããŠ, äŸå€ããæå³ã®ããå€ãåŸããã
> ãã©ããããããªã (äœããã®æ·±é ãªçç±ã«ãã調ã¹ãããªã)ããšèããã
> ã§ããâŠ.
åãããŸãããã ãI/OäŸå€ãšããããããã®ã«ã¯æ®éã®äŸå€åŠçã®
æ¹ãåããŠããŸããããã¿ãŒã³ãããããªãã£ãããšã®äŒéã«ã¯äœ¿ãã¥
ããã§ãã?
ããããå¶åŸ¡æ§é ã®å·¥å€«ãæè¿ã¯äžç«ã§ããã ä¹ é
In article <am9gue$dq1$1...@news2.rim.or.jp> doh...@hf.rim.or.jp (Kazuo Fox Dohzono) writes:
> C ã® EOF ãªãããç§ã¯å«ãã§ã.
>
> # ãããã©ããªã®ãããã®ãã£ã€ãŒãšâŠäŸå€åŠçã«ãªãã®ããª?
9999999999ãšã^^;
--
ç³å·ãæ·³ åœç«ææçç 究æ
(Jun Ishikawa) çç©æŽ»æ§ç©è³ªéšç¬¬å宀
j...@nih.go.jp (æ§éºäŒçååŠå®€)
Tel. 03-5285-1111 Fax 03-5285-1272
http://www.nih.go.jp/~jun/research/
ATCTCCCACATCAAGGCCTGGGCC
ho...@sra.co.jp (Hoshi Takanori) wrote:
> > ãã©ããã«ããŠã¯ãŸã£ãã
> > ã®ãšæ··åããªãå€ãšããŠã¯ã-1ããçŽ çŽãªããããªãã§ããã
>
> ããããçŽ çŽãããããŸããã
>
> ãã¡ãããã³ã³ãã¥ãŒã¿çã«ã¯ãããã楜ãã ããããããŠã
> ããã§ãããæ®éã®äººéã®æèããããã°ãããäžèªç¶ãªã
> äžçš®ã®ããžçå±ãã ãšæããŸãã
>
ãšãããšãC++ã®STLçã«ããèŠã€ãããªãã£ãå Žå㯠ããŒã¿ã®æçµå°ç¹+1 ãè¿ãã
ãããã人éçã«ãã³ã³ãã¥ãŒã¿çã«ãçŽ çŽããã§ãã ïŒïŒ
# è¡ãéãã¡ãã£ãããšãéç¥ãããã ãã ã
---
å è€ æ(倧éªå€§åŠæåŠéšé³æ¥œåŠå°ä¿®4幎)
mail : turu...@mint.freemail.ne.jp
web : http://blue.sakura.ne.jp/~turugina/
> ãšãããšãC++ã®STLçã«ããèŠã€ãããªãã£ãå Žå㯠ããŒã¿ã®æçµå°ç¹+1 ãè¿ãã
> ãããã人éçã«ãã³ã³ãã¥ãŒã¿çã«ãçŽ çŽããã§ãã ïŒïŒ
indexOf() ãæŽæ°ã§ã¯ãªããposition ãªããžã§ã¯ãããè¿ãä»æ§ã ãšããã?
# ãš, ãã話ãäžåºŠå
茩ããæ¥ãŠãã®ã§.
In article <2002092513083...@news.sphere.ne.jp>
(T.T) <turu...@mbr.sphere.ne.jp> writes:
> ãšãããšãC++ã®STLçã«ããèŠã€ãããªãã£ãå Žå㯠ããŒã¿ã®æçµå°ç¹+1 ãè¿ãã
> ãããã人éçã«ãã³ã³ãã¥ãŒã¿çã«ãçŽ çŽããã§ãã ïŒïŒ
ïŒ C èšèªçã«ã¯ NULL ãè¿ãã®ãçŽ çŽã§ããã£ãŠã®ã¯ããŠããã
ãªãã誀解ãããŠããããªæ°ãããŸããããŒãã¯å¥ã«ã
ãAPI ã®èšèšã¯äººéçã«çŽ çŽãªãã®ã§ãªããã°ãªããªãã
ãšäž»åŒµããŠããããã§ã¯ãããŸããã
ããããã³ã³ãã¥ãŒã¿çã« (ãšãããããã®èšèªã
ã©ã€ãã©ãªããã£ãŠç«ã€è«çã«ãããŠ) çŽ çŽã§ããããšã
奜ãŸãããšæã£ãŠããŸãã
ïŒ JavaScript ã®ããšã¯ããç¥ããŸããããC èšèªã«ã¯
ïŒ C èšèªã«ãšã£ãŠã®çŽ çŽãããLisp ã«ã¯ Lisp ã«ãšã£ãŠã®
ïŒ çŽ çŽãããããããã£ãš JavaScript ã«ã JavaScript
ïŒ ã«ãšã£ãŠã®çŽ çŽããããã®ã§ãããã
ã§ããã®èšäºã§èšãããã£ãããšã¯ãã人éçãªçŽ çŽããš
ã³ã³ãã¥ãŒã¿çãªçŽ çŽãã®éã«ãããããå Žåã«ã¯ãããã
ã¡ãããšèª¬æããªããšåãã£ãŠããããªããã(éã«èšããšã
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ãšããããšã ã£ããã§ãã
ïŒ ããæ¡ã®å®ãšãããããªããªãåãã£ãŠããããªãã¿ãã...
ïŒïŒ
ãããããC++ ã® STL ã§ãããæåãæãã€ãã¬ãŒã¿ãšæåŸ
+ 1 ãæãã€ãã¬ãŒã¿ã®çµã¿åããšããã®ã¯ãããããææ³ã
C èšèªã«ãªãã£ããšã¯èšããªããã©ãé¢æ°ã®åŒæ°ãšããŠã¯ããŸã
äžè¬çã§ã¯ãªãã£ãããã§ãC èšèªãå€ã C++ ã®äŒçµ±ã«å¯Ÿãã
ç Žå£è¡çºã ãšæã£ãŠãŸãã
ïŒ ãããè¯ããæªããããšããã®ã¯ãŸãå¥ã®è©±ãã§ããã
ïŒ STL ã«ã¯ STL ã®è«çãããããããã C++ ã®æ°ããæ©èœã«
ïŒ ãããããŠããããšã¯åŠå®ããŸããã
ã»ã
turu...@mbr.sphere.ne.jpãã:
> ãšãããšãC++ã®STLçã«ããèŠã€ãããªãã£ãå Žå㯠ããŒã¿ã®æçµ
> å°ç¹+1 ãè¿ãããããã人éçã«ãã³ã³ãã¥ãŒã¿çã«ãçŽ çŽããã§
> ãã ïŒïŒ
ããã1æ¡ã§ãããæçµå°ç¹ãåãã£ãŠãªããšèª¿ã¹ãã®ãš2床æéãã
ãªãã§ãããããšãã°
if(s.indexOf("abc") >= s.length) ...
ãããªãããã§ããããæååãªãããã®ããç¥ããªããã©ãããŒã¿æ§
é ã«ãã£ãŠã¯é·ããå³åãããšã¯éããªãã£ããããŸãããã
ãããããéšåæååã®äœçœ®ãæå®ãããšãã«ãã€ãã¹ã®æ°ã䜿ã£ãŠ
å³ç«¯ããã©ãã ãããšããæå®ãèš±ããã®ããããŸããã
ãŸãããããã®ãçµè«ã¯ååšããªããšããã⊠ä¹
é
doh...@hf.rim.or.jpãã:
> indexOf() ãæŽæ°ã§ã¯ãªããposition ãªããžã§ã¯ãããè¿ãä»æ§ã ãšããã?
ãããªãèŠã€ãããªãâããŠã¯ãŸããäœçœ®ããªããânullãè¿ã? ä¹
é
j...@nih.go.jp writes:
> In article <am9gue$dq1$1...@news2.rim.or.jp> doh...@hf.rim.or.jp (Kazuo Fox Dohzono) writes:
> > C ã® EOF ãªãããç§ã¯å«ãã§ã.
> > # ãããã©ããªã®ãããã®ãã£ã€ãŒãšâŠäŸå€åŠçã«ãªãã®ããª?
>
> 9999999999ãšã^^;
2000幎åé¡ã®å å¶ã :-)
ãã£ãã®ããšãã©ã¹ç¡é倧ãšããã®ã¯?
åãã nilãããããšèšã£ããããã¯ã(nil ã§ãäœã§ããããã©)ãã
ã å€ãè¿ããŠãããããŸãé
åã®ã€ã³ãã¯ã¹ãšããŠäžãããšãäŸå€çãª
å€ãè¿ã£ãŠããçŽæã«ãããšãç°¡æœãªããã°ã©ã ãæžããããããªãã£
ãŠããšã§ããããããªæãã
a[] = [0, 2, 4, 6, 8]
a.index(3) => nil
a[nil] => nil
JavaScript ã§ã¯ã null ã¯ãªããžã§ã¯ãã®ããã å€ã§ã¯ãããã©ãæ°
å€ã®ããã å€ã§ã¯ãªãã¿ãããªã®ã§ã null ããã®çšéã«äœ¿ãã®ã¯å€ã ã
äžæ¹ã§ã JavaScript ã¯ãæµ®åå°æ°ç¹æ°ãšæŽæ°ãåºå¥ããŠããªãã¿ãã
ã§ãããã ã£ãããæµ®åå°æ°ç¹æ°ã®ç¹å¥å€ã§ãã NaN ãšã +â ã§ãã
ãã»ã©äžèªç¶ã§ã¯ãªãã®ã§ã¯ãªãããšããããªæãã
a[NaN] => undefined
a[Infinity] => undefined
NaN ã¯ãä»ã®äœãšæ¯èŒããŠã false ã«ãªã(NaN == NaN ããæç«ããªã)
ã®ããååŠè
ã®ã€ãŸããã®ããšã§ã¯ããã®ã§ããâŠ
--
äœã
æšéé(ç§ç°å€§)
> > indexOf() ãæŽæ°ã§ã¯ãªããposition ãªããžã§ã¯ãããè¿ãä»æ§ã ãšããã?
>
> èŠã€ãããªãâããŠã¯ãŸããäœçœ®ããªããânullãè¿ã?
âŠã®ã Java ã ãšèªç¶ã§ããã. C++ ã§å¯Ÿå¿ãããã£ãããªæžãæ¹ãããããš
ãããš, ã©ãããã®ãèªç¶ãªã®ã§ãããã.
doh...@hf.rim.or.jpãã:
> > èŠã€ãããªãâããŠã¯ãŸããäœçœ®ããªããânullãè¿ã?
> âŠã®ã Java ã ãšèªç¶ã§ããã. C++ ã§å¯Ÿå¿ãããã£ãããªæžãæ¹ã
> ããããšãããš, ã©ãããã®ãèªç¶ãªã®ã§ãããã.
ããC++ã§ããªããžã§ã¯ããžã®ãã€ã³ã¿ãè¿ãããšã«ããã°ã代ãã«
nullãè¿ãããšãã§ãããããªãã§ããã
âŠãšãã話ãããªãã®ããªã? ä¹
é
> doh...@hf.rim.or.jpãã:
> > > èŠã€ãããªãâããŠã¯ãŸããäœçœ®ããªããânullãè¿ã?
>
> > âŠã®ã Java ã ãšèªç¶ã§ããã. C++ ã§å¯Ÿå¿ãããã£ãããªæžãæ¹ã
> > ããããšãããš, ã©ãããã®ãèªç¶ãªã®ã§ãããã.
>
> ããC++ã§ããªããžã§ã¯ããžã®ãã€ã³ã¿ãè¿ãããšã«ããã°ã代ãã«
> nullãè¿ãããšãã§ãããããªãã§ããã
ããã§ã¯éãããã°ã©ã ã«ãªã£ãŠããŸãã§ã¯ãããŸããã.
# ãŸã string foo; ã®æå³ãå
šç¶éãã®ã§å
šãåãã«ã¯åºæ¥ãªããã§ããã
# ãã©.
doh...@hf.rim.or.jpãã:
> ããã§ã¯éãããã°ã©ã ã«ãªã£ãŠããŸãã§ã¯ãããŸããã.
ããpositionãªããžã§ã¯ããšããæ°ãããã®ãè¿œå ããå Žåããšãã
話ã ã£ããšæããŸããâŠ
åãã£ãŠäœãšåããªã®ãããããããã ä¹
é
doh...@hf.rim.or.jp (Kazuo Fox Dohzono) wrote:
> > > indexOf() ãæŽæ°ã§ã¯ãªããposition ãªããžã§ã¯ãããè¿ãä»æ§ã ãšããã?
> >
> > èŠã€ãããªãâããŠã¯ãŸããäœçœ®ããªããânullãè¿ã?
>
> âŠã®ã Java ã ãšèªç¶ã§ããã. C++ ã§å¯Ÿå¿ãããã£ãããªæžãæ¹ãããããš
> ãããš, ã©ãããã®ãèªç¶ãªã®ã§ãããã.
if (s.indexOf("ABC") == position(null)) {...}
# å®è£
ã¬ãã«ãŸã§æ°ã«ãã¡ããã¡ã§ãïŒé
--
On 25 Sep 2002 05:26:52 GMT,
"ä¹
é" == kuno <ku...@gssm.otsuka.tsukuba.ac.jp> writes:
ä¹
é> ä¹
éã§ãã
ä¹
é> doh...@hf.rim.or.jpãã:
>> indexOf() ãæŽæ°ã§ã¯ãªããposition ãªããžã§ã¯ãããè¿ãä»æ§ã ãšããã?
ä¹ é> ãããªãèŠã€ãããªãâããŠã¯ãŸããäœçœ®ããªããânullãè¿ã? ä¹ é
Java (Java 2 SDK 1.4 以é) ãªããããªã§ããã?
Matcher m = Pattern.compile(pattern).matcher(input);
if (m.matches()) {
index = m.start();
} else {
// not found.
}
@see java.util.regex
Matcher ãå åãããä»°ã£ãŠããposition ãªããžã§ã¯ããã«çžåœããã®ããª?
âŠâŠ
indexOf() ã¯ååããããŠãå
é ã® index ãè¿ããã®ãæ¬æ¥ã®æ©èœã§ããã
ããããããããªãå Žåã«äŸå€ãæãããã -1 ãè¿ãããæ§ããªããšæãã
ããããããã©ããã ãããã¹ãããã®ã« indexOf() ã䜿ãã®ã¯ãééããš
ã¯èšããªããã©ãæå³ãäžæçã«ãªããããããæ¹ãããã
ã ã£ãŠãindexOf() ãåŒã¶ã®ã¯ index ãç¥ãããããã ããindex ãç¥ãã
ãã£ãŠäºã¯ããããããäºãåæãã®ã¯ãã§ãã?
indexOf() ã -1 ãè¿ãã®ãäžèªç¶ãªããããªããŠããããããããã©ããã
ãã¹ãããç®ç㧠indexOf() ãåŒã¶ãäºãäžèªç¶ãªããããªãããã?
indexOf() ãããããªããããããããã©ããããã¹ããããã¡ãœããã¯ç°¡å
ã«äœãããã ãã
--
Java 2 SDK 1.4 ã§ã¯ String ã¯ã©ã¹ã«ã matches ã¡ãœããããããŸãã
ãã <mor...@super-r.net>
mor...@super-r.netãã:
> ããããããã©ããã ãããã¹ãããã®ã« indexOf() ã䜿ãã®ã¯ãééããš
> ã¯èšããªããã©ãæå³ãäžæçã«ãªããããããæ¹ãããã
> ã ã£ãŠãindexOf() ãåŒã¶ã®ã¯ index ãç¥ãããããã ããindex
> ãç¥ãããã£ãŠäºã¯ããããããäºãåæãã®ã¯ãã§ãã?
ãšããããšã¯JavaScriptã®å ŽåãStringãªããžã§ã¯ãã®ã¡ãœãããšã
ãŠmatches()ãè¿œå ãããã§ãããããã
String.prototype.maches = function(s) { return this.indexOf(s) < 0; }
çµå±-1ã§ããããšã䜿ã£ãŠããããã -_-; ä¹
é
èšèªäœ¿çšã®è«çŸ©ã«ãªã£ãŠããŸããã
ku...@gssm.otsuka.tsukuba.ac.jpãã wrote:
> ãšããããšã¯JavaScriptã®å ŽåãStringãªããžã§ã¯ãã®ã¡ãœãããšã
> ãŠmatches()ãè¿œå ãããã§ãããããã
>
> String.prototype.maches = function(s) { return this.indexOf(s) < 0; }
>
> çµå±-1ã§ããããšã䜿ã£ãŠããããã -_-; ä¹
é
ãããŠã-1 ã§ããããšã䜿ããªãã®ãªãã°ã
String.prototype.matches = function( _regexp )
{
return _regexp.test( this );
}
ããªïŒ
-*-
String ã¯ã©ã¹ã«æåããå
¥ã£ãŠãã match( RegExp _regexp ) ã¡ãœããã¯
æå®ãããã¿ãŒã³ãèŠã€ãããã°é
åã§ãèŠã€ãããªããã° null ãæ»ã£ãŠã
ãŸããã
--
èµ€éä¿äž ak...@home.so-net.ne.jp
> indexOf() ã¯ååããããŠãå é ã® index ãè¿ããã®ãæ¬æ¥ã®æ©èœã§ããã
ãšããããšãªã, ãã¯ããããããªãæã¯äŸå€ãæãããããªããšæããŸã.
# ãããæ²ããŠã-1 ãè¿ãããšããããšã«ãªã£ãŠãããã§.
> åãã£ãŠäœãšåããªã®ãããããããã
æåã§ã¯ãªãæå³çã«åãããã°ã©ã ã«ããã, ãšããããªããžã§ã¯ããè¿ã
ã€ã³ã¿ãŒãã§ã€ã¹ã§ç°åžžå€ãã©ãèããã, ãšããããšã§ã.
doh...@hf.rim.or.jpãã:
> æåã§ã¯ãªãæå³çã«åãããã°ã©ã ã«ããã, ãšããããªããžã§ã¯
> ããè¿ãã€ã³ã¿ãŒãã§ã€ã¹ã§ç°åžžå€ãã©ãèããã, ãšããããšã§ã.
ãã®ç°åžžå€ã¯ããªããžã§ã¯ãããã€ã(=null)ãããã®ãããªããžã§
ã¯ãã¯ã¡ãããšè¿ã£ãŠãã®ãªããžã§ã¯ããèŠããšãç°åžžå€ãªãªããžã§ã¯
ããã ãšåããã®ãããã®ããJavaã®äŸå€ã¿ããã«ãããžé£ããããã®
ãããã®ããã©ãã§ããããã
ãã以å€ã®éžæè¢ã¯ãããŸã? ä¹
é
> ãã®ç°åžžå€ã¯ããªããžã§ã¯ãããã€ã(=null)ãããã®ãããªããžã§
> ã¯ãã¯ã¡ãããšè¿ã£ãŠãã®ãªããžã§ã¯ããèŠããšãç°åžžå€ãªãªããžã§ã¯
> ããã ãšåããã®ãããã®ããJavaã®äŸå€ã¿ããã«ãããžé£ããããã®
> ãããã®ããã©ãã§ããããã
>
> ãã以å€ã®éžæè¢ã¯ãããŸã?
åŒã³åºãåŽãæå®ãããã³ãã©ãåŒã³åºãããåŽãèµ·åãã, ãšã.
> ãã®ç°åžžå€ã¯ããªããžã§ã¯ãããã€ã(=null)ãããã®ãããªããžã§
> ã¯ãã¯ã¡ãããšè¿ã£ãŠãã®ãªããžã§ã¯ããèŠããšãç°åžžå€ãªãªããžã§ã¯
> ããã ãšåããã®ãããã®ã
ãã®èŸºã, å®ã¯å
茩ãæ©ãã§ãããšãããªã®ã§ãã. ãªãã§ãå®éšçã« Java
ã®æšæº API ã C++ ã§å®è£
ããããšããŠããããã§,
String snull = Object::null;
String sempty;
String sfoo = "foo";
ãšããã, å¹çãèããŠããã Java ããã¯ã«
String snull;
String sempty = String::create();
String sfoo = String::create("foo");
ãšããã. åŸè ãªã
String foo = "foo";
ãã©ãããã. ãããèªãã¡ãããšããã©ã«ãæ§ç¯ãæåŠããŠãããªãã, ãš
ããããšã«ãªãã, èªããªããš
foo + "bar"
ã¯ã©ãããã®? ã¿ãããª.
# æ©ãŸããâŠ.
<an0t9d$7he$1...@news2.rim.or.jp>ã®èšäºã«ãããŠ
doh...@hf.rim.or.jpããã¯æžããŸããã
> ãšããã, å¹çãèããŠããã Java ããã¯ã«
:
> ãã©ãããã. ãããèªãã¡ãããšããã©ã«ãæ§ç¯ãæåŠããŠãããªãã, ãš
> ããããšã«ãªãã, èªããªããš
>
> foo + "bar"
>
> ã¯ã©ãããã®? ã¿ãããª.
ã©ãã Java ã§ããã®èŸºçªãè©°ãããšã€ã³ãããªãã ããããJava ãã
ã¯ãã«ãããªãããã«æ®ããã®ãããã§ã¯ïŒ
# ç§ãšããŠã¯ãã£ã±ãåºæ¬ããŒã¿åãªããŠã®ãå¥ãåºãã§ãããã®ãé
# åžžãšããäºæ
ãæ°æã¡æªããŸãšäž»åŒµããããã§ããã(^^;
--
æç° éè ïŒ ãšãŒã»ã¢ã€ã»ãœããæ ªåŒäŒç€Ÿãœãªã¥ãŒã·ã¥ã³éçºéš
E-mail tak...@aisoft.co.jp
ãååéã§æ±ºæããçãçç±ãæ·»ãããã
On 26 Sep 2002 04:15:22 GMT,
"å å" == Kazuo Fox Dohzono <doh...@hf.rim.or.jp> writes:
å å> In article <86bs6m5...@super-r.net>
å å> Daishi MORI <mor...@super-r.net> writes:
>> indexOf() ã¯ååããããŠãå é ã® index ãè¿ããã®ãæ¬æ¥ã®æ©èœã§ããã
å å> ãšããããšãªã, ãã¯ããããããªãæã¯äŸå€ãæãããããªããšæããŸã.
ã¯ããåãããæããŸããã ãã©âŠã
å å> # ãããæ²ããŠã-1 ãè¿ãããšããããšã«ãªã£ãŠãããã§.
ãã®å Žåã¯ãããæããšãããããŸã蚱容ã§ããç¯å²ããªãšæããŸãã
ãããã indexOf() 㯠one shot ã§äœ¿ãäºãã»ãšãã©ã ãã
è€æ°åãããããå Žåãæ±ãã®ã«ã¯ããŸãé©åœã§ãªããšæãã
ãã¡ããã±ãŒã¹ãã€ã±ãŒã¹ã§ããã©ãã
--
ãã <mor...@super-r.net>
On 26 Sep 2002 01:47:23 GMT,
"ä¹
é" == kuno <ku...@gssm.otsuka.tsukuba.ac.jp> writes:
ä¹ é> String.prototype.maches = function(s) { return this.indexOf(s) < 0; }
ä¹ é> çµå±-1ã§ããããšã䜿ã£ãŠããããã -_-; ä¹ é
matches ã®ãå®è£ ã㧠1 床䜿ãã ããããã(^^;
äžèšã® (A) ã ãš indexOf() ã®ä»æ§ã調ã¹ãªããšäœã ãããåãããªããã©ã
(B) ã ãš matches() ã®ä»æ§ã調ã¹ãªããŠãçŽ çŽã«èªãã(äœãããããã®ãã
容æã«èªã¿ãšãã)ã§ãã?
// (A)
if (str.indexOf(pattern) < 0) {
doSomething();
}
// (B)
if (!str.matches(pattern)) {
doSomething();
}
--
ãã <mor...@super-r.net>
mor...@super-r.netãã:
> äžèšã® (A) ã ãš indexOf() ã®ä»æ§ã調ã¹ãªããšäœã ãããåãããª
> ããã©ã(B) ã ãš matches() ã®ä»æ§ã調ã¹ãªããŠãçŽ çŽã«èªãã(äœ
> ãããããã®ãã容æã«èªã¿ãšãã)ã§ãã?
ãããããæ£è«èšãããŠãåè«ã¯ããããŸãã _o_ ä¹ é
P.S. é¢çœãåãè¿ããæãã€ããªãã£ãã
> å å> # ãããæ²ããŠã-1 ãè¿ãããšããããšã«ãªã£ãŠãããã§.
>
> ãã®å Žåã¯ãããæããšãããããŸã蚱容ã§ããç¯å²ããªãšæããŸãã
ããã®å ŽåããšããåºãŠããã®ãå«ãªãã§ããã©âŠ.
# å€åãè² æ°ïŒæŽæ°å
šäœã®å Žåãšã, æ°å€ä»¥å€ã®ãªããžã§ã¯ãã®å ŽåãšãâŠ.