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Objective-Cã«é–¢ã™ã‚‹yyamanoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (10)

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Objective-Cå‹‰å¼·ã—ãŸã„ãªã‚‰ã‚³ãƒ¬ã‚’èªã‚2012ç§‹
å‰æã€ŒiPhoneã‚¢ãƒ—ãƒªã‚’ä½œã‚ŠãŸã„ãªã‚‰ã€ã§ã¯ãªã„ã€‚ã€Œå£²ã‚Œã‚‹ã‚¢ãƒ—ãƒªã‚’ä½œã‚‹ä¼ç”»åŠ›ã€ã‚„ã€Œã‚¤ã‚±ã¦ã‚‹UIã‚’ä½œã‚‹ãƒ‡ã‚¶ã‚¤ãƒ³åŠ›ã€ãªã—ã«ã€ã€Œã‚¢ãƒ—ãƒªé–‹ç™ºã«å¿…è¦ãªObjective-Cã®æŠ€è¡“åŠ›ã€ã ã‘ã‚ã£ã¦ã‚‚æ„å‘³ãªã„ã€‚ãã‚Œã§ã‚‚ã„ã„äººå‘ã‘ã€‚å‰æ2å··ã®ãƒ–ã‚¯ãƒžã•ã‚Œã¦ã„ã‚‹ã€Œã‚ªã‚¹ã‚¹ãƒ¡æœ¬é›†ã€ã¯è‡ªèº«ã®è‘—æ›¸ã‚„èº«å†…ã®æœ¬ã‚’è–¦ã‚ã‚‹ãŸã‚ã®ãƒã‚¸ã‚·ãƒ§ãƒ³ãƒˆãƒ¼ã‚¯çš„ãªé¸æ›¸ãŒã‚ˆãã‚ã‚‹ã€‚æº¢ã‚Œã‹ãˆã‚‹ã€Œåˆ†ã‹ã‚Šã‚„ã™ã•ã€ã‚’è¨´ãˆã‚‹æœ¬ã¯å¿…è¦ã¯ãªã„ã€‚è²·ã†ã¨ã—ã¦ã‚‚1å†Šã§ååˆ†ã€‚ åˆ†ã‹ã‚Šã‚„ã™ã„æœ¬ã˜ã‚ƒãªã„ã¨èº«ã«ã¤ã‹ãªã„ãªã‚‰ã€çµå±€ä½œã‚Œã‚‹ã‚‚ã®ã¯ã€Œãã®ç¨‹åº¦ã€ã®ã‚‚ã®ã«ç•™ã¾ã‚‹ã€‚ãã—ã¦ã€Œãã®ç¨‹åº¦ã€ã‚’ä½œã‚Œã‚‹äººã¯æ—¢ã«ã†ã˜ã‚ƒã†ã˜ã‚ƒã„ã‚‹ã‹ã‚‰Appleç¨Žã‚’ç„¡é§„ã«ã™ã‚‹ã ã‘ã€‚å…¬å¼ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆæ—¥æœ¬èªžãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆ - Apple Developer æ—¥æœ¬èªžåŒ–ã•ã‚ŒãŸå…¬å¼ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã€‚å…¨ã¦ã‚’èªã‚€ã®ã¯é›£ã—ã„ãŒã€ã€ŒObjective-C ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã€ã€ŒObjective-Cã«ã‚ˆã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã€ã‚’èªã‚
yyamano 2012/12/26
Objective-C
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Protected methods in Objective-C
What is the equivalent to protected methods in Objective-C? I want to define methods which only the derived classes may call/implement.
yyamano 2012/08/27
Objective-C
ãƒªãƒ³ã‚¯
Objective-C
Objective-C Objective-Cã‚’å¦ã¶ã®ã«ä¸€ç•ªè‰¯ã„æœ¬ã¯ã€ã€Žè©³è§£ Objective-C 2.0 æ”¹è¨‚ç‰ˆã€ã ã¨è€ƒãˆã¦ã„ã¾ã™ã€‚ã“ã®æœ¬ã‚’ç†è§£ã™ã‚‹ãŸã‚ã«ã¯ã€C/C++ãªã©ã®ä»–ã®è¨€èªžã®çŸ¥è˜ã‚‚å¿…è¦ã§ã™ãŒã€ãã‚Œã¯ã¾ãŸåˆ¥ã®æœ¬ã§å¦ã¹ã°è‰¯ã„ã‹ã¨æ€ã„ã¾ã™ã€‚1ã¤ã®æœ¬ã§å…¨éƒ¨ç¶²ç¾…ã—ã‚ˆã†ã¨ã—ãŸã‚‰ã€ã‚¢ã‚¬ã‚µãƒ»ã‚¯ãƒªã‚¹ãƒ†ã‚£ãƒ¼ã®é™å®šæœ¬ã¿ãŸã„ã«ãˆã‚‰ã„ã“ã¨ã«ãªã‚‹ã§ã—ã‚‡ã†ã—ã€‚ ã•ã¦ã€ã“ã®ã€Žè©³è§£ Objective-C 2.0 æ”¹è¨‚ç‰ˆã€ã§ã™ãŒã€ãƒ¬ãƒ“ãƒ¥ãƒ¼ã‚’æ‹å€Ÿã•ã›ã¦ã„ãŸã ãã¨ã€ â– éžå¸¸ã«è‰¯ã„æœ¬ã‹ã¨æ€ã„ã¾ã™ã€‚(Blockã«ã¤ã„ã¦ã¯æ›¸ã‹ã‚Œã¦ã¾ã™ãŒã€GCDã«ã¤ã„ã¦ã¯æ›¸ã‹ã‚Œã¦ã„ã¾ã›ã‚“), 2011/2/17 ãŸã ã€Grand Central Dispatch(GCD) ãªã©ã§ã‚‚ä½¿ã‚ã‚Œã¦ã„ã‚‹ Block ã«ã¤ã„ã¦ã¯è©³ã—ãè§£èª¬ã•ã‚Œã¦ã¾ã™ãŒã€GCD ã«ã¤ã„ã¦ã¯å…¨ãæ›¸ã‹ã‚Œã¦ã„ã¾ã›ã‚“ã€‚æœŸå¾…ã—ã¦ã„ã¾ã—ãŸãŒã€æ®‹å¿µã§ã™ã€‚ (ã“ã®è‘—è€…ã®æ–¹ã§) è£œè¶³ç‰ˆ
yyamano 2011/10/21
Objective-C
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ã€Žã‚¨ã‚ã‚¹ãƒ‘ãƒ¼ãƒˆObjective-Cãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° â€• iOS/OS Xã®ãƒ¡ãƒ¢ãƒªç®¡ç†ã¨ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã€
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yyamano 2011/10/18
Objective-C
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Objective-Cã®autorelease
Objective-Cã®autoreleaseã§ã€å®Ÿéš›ã«ä½•ãŒèµ·ã“ã‚‹ã®ã‹ã€‚ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã®Cocoaå®Ÿè£…GNUstepã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã§è¿½ã„ã‹ã‘ã¦ã¿ã¾ã—ãŸã€‚ http://togetter.com/li/88945 ã€Œautoreleaseã®ã²ã¿ã¤ã€ Cocoaå…¨ã‚¯ãƒ©ã‚¹ã®è¦ªã‚¯ãƒ©ã‚¹ NSObjectã«autoreleaseãƒ¡ã‚½ãƒƒãƒ‰ãŒã‚ã‚Šã€ã“ã®autoreleaseãƒ¡ã‚½ãƒƒãƒ‰ã¯ã€NSAutoreleasePoolã‚¯ãƒ©ã‚¹ã®ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰addObject:ãƒ¡ã‚½ãƒƒãƒ‰ã‚’å‘¼ã¶ã ã‘ã§ã™ã€‚ [hoge autorelease]; /* [NSAutoreleasePool addObject:hoge]; ã¨åŒã˜ */ NSAutoreleasePool addObject:ã¯ã€ãã®ã‚¹ãƒ¬ãƒƒãƒ‰ã®ã‚«ãƒ¬ãƒ³ãƒˆãƒ—ãƒ¼ãƒ«ã«ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’è¿½åŠ ã—ã¾ã™ã€‚ãƒ¡ã‚¤ãƒ³ã‚¹ãƒ¬ãƒƒãƒ‰ã®å ´åˆã€é€šå¸¸NSRunLoopã®ãƒ«ãƒ¼ãƒ—å…ˆé ã§ç¢ºä¿ã•ã‚ŒãŸãƒ—ãƒ¼ãƒ«ã«ãª
yyamano 2011/01/15
Objective-C
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Mac OS X 10.6 Snow Leopard: the Ars Technica review
In June of 2004, during the WWDC keynote address, Steve Jobs revealed Mac OS X 10.4 Tiger to developers and the public for the first time. When the finished product arrived in April of 2005, Tiger was the biggest, most important, most feature-packed release in the history of Mac OS X by a wide margin. Apple's marketing campaign reflected this, touting "over 150 new features." All those new feature
yyamano 2009/09/02
In Snow Leopard, Apple has introduced a C language extension called "blocks." Blocks add closures and anonymous functions to C and the C-derived languages C++, Objective-C, and Objective C++.

Mac OS X

Objective-C
ãƒªãƒ³ã‚¯
æ–‡å—åˆ—ã®ç®¡ç†(NSString)_mac - FreeStyleWiki
æ–‡å—åˆ—ã®ç®¡ç†ï¼ˆNSStringï¼‰ Cocoaä¸Šã§ã®æ–‡å—åˆ—ã®ç®¡ç†ã¯ã€ŒNSStringã€ã‚¯ãƒ©ã‚¹ã«ã¦è¡Œã†ã“ã¨ãŒã§ãã¾ã™ã€‚ æ–‡å—åˆ—ã‚¯ãƒ©ã‚¹(NSString)ã®ç”Ÿæˆ ã‚«ãƒ©ã®æ–‡å—åˆ—ã‚’ç”Ÿæˆã—ã¾ã™ã€‚ NSString *pStr = [[NSString alloc] init]; æ–‡å—åˆ—ã‚¯ãƒ©ã‚¹ã®ç ´æ£„ ç”Ÿæˆã—ãŸæ–‡å—åˆ—ã‚’è§£æ”¾ã—ã¾ã™ã€‚ [pStr release]; ä½¿ç”¨å¾Œã¯å¿…ãšè§£æ”¾ã™ã‚‹ã‚ˆã†ã«ã—ã¦ãã ã•ã„ã€‚ ä»¥é™ã€pStrã¯ã€ŒNSString *ã€åž‹ã¨ã—ã¾ã™ã€‚ æ–‡å—åˆ—ã‚’ä»£å…¥ pStr = @"æ–‡å—åˆ—ã§ã™"; æ±ºã¾ã£ãŸæ–‡å—åˆ—ã‚’å…¥ã‚Œã‚‹å ´åˆã¯ã€ã€Œ@"ã€œ"ã€ã®ä¸ã«æ–‡å—åˆ—ã‚’å…¥ã‚Œã‚‹ã‚ˆã†ã«ã—ã¾ã™ã€‚ æ–‡å—åˆ—ã®é•·ã•ã‚’å–å¾— int len = [pStr length]; ã€Œlengthã€é–¢æ•°ã«ã¦æ–‡å—åˆ—ã®é•·ã•ã‚’æ±‚ã‚ã¾ã™ã€‚å…¨è§’ã¯1æ–‡å—ã«ã‚«ã‚¦ãƒ³ãƒˆã•ã‚Œã¾ã™ã®ã§ï¼ˆãƒã‚¤ãƒˆæ•°ã§ã¯ãªã„ã§ã™ï¼‰æ³¨æ„ã—ã¦ãã ã•ã„ã€‚ æ–‡å—åˆ—ã‚’é€£çµã™ã‚‹ NSStrin
yyamano 2009/07/31
Objective-C
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Objective-C ã® LL ã£ã½ã„æ©Ÿèƒ½ - è¨€èªžã‚²ãƒ¼ãƒ
æŠ˜è§’ãƒžãƒƒã‚¯ãŒã‚ã‚‹ã®ã§ã€æœ€è¿‘ãƒžãƒƒã‚¯ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ã¤ã„ã¦è‰²ã€…å‹‰å¼·ã—ã¦ã„ã¾ã™ã€‚Objective-C ã®è¨è¨ˆæ€æƒ³ã¯ã‹ãªã‚Š LL ã«æ¯’ã•ã‚Œã¦ã„ã‚‹ã¨ã¿ãˆã¦ã€æ°—æŒã¡æ‚ªã„æ©Ÿèƒ½ãŒè‰²ã€…ã‚ã‚Šã¾ã™ã€‚å¿˜ã‚Œã‚‹ã¨åŽ„ä»‹ãªã®ã§ãƒ¡ãƒ¢ã—ã¾ã™ã€‚ æº–å‚™: Objective-C ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«æ–¹æ³• -framework ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä½¿ã£ã¦ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’æŒ‡å®šã™ã‚‹ã¨ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‹ã‚‰ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«å‡ºæ¥ã¾ã™ã€‚ cc -o basic basic.m -framework Foundation && ./basic nil ã¯ã‚¨ãƒ©ãƒ¼ã«ãªã‚‰ãªã„ Objective-C ã§ã¯ãƒŒãƒ«ãƒã‚¤ãƒ³ã‚¿ã®äº‹ã‚’ nil ã¨å‘¼ã³ã¾ã™ãŒã€‚nil ã¯ã©ã‚“ãªãƒ¡ã‚½ãƒƒãƒ‰ã«ã‚‚åå¿œã—ãªã„ã¨ã„ã†ç´„æŸã«ãªã£ã¦ã„ã¾ã™ã€‚ä¾‹ãˆã° [nil message] ã®ã‚ˆã†ã«æ›¸ã„ã¦ã‚‚ã‚¨ãƒ©ãƒ¼ã«ãªã‚Šã¾ã›ã‚“ã€‚ãƒŒãƒ«åˆ¤å®šã‚’ã—ãªãã¦è‰¯ã„ã®ã§åˆ©ç‚¹ã ãã†ã§ã™ã€‚ // Nil ã«ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’é€ã£ã¦ã‚‚ç„¡è¦–ã•ã‚Œã‚‹å®Ÿé¨“ã€‚
yyamano 2009/03/25
Objective-C
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ä¸€ç•ªåˆã‚ã®Objective-Cãƒ—ãƒã‚°ãƒ©ãƒ - ï¼ IT
ä¸€ç•ªåˆã‚ã®Objective-Cãƒ—ãƒã‚°ãƒ©ãƒ ï¼šCocoaã®ç´ ã€Objective-Cã‚’çŸ¥ã‚ã†ï¼ˆ2ï¼‰ï¼ˆ1/3 ãƒšãƒ¼ã‚¸ï¼‰ iPhoneç”¨ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™ºã§æ³¨ç›®ã‚’é›†ã‚ã‚‹è¨€èªžã€ŒObjective-Cã€ã€‚C++ã¨ã¯ç•°ãªã‚‹Cè¨€èªžã®æ‹¡å¼µã‚’ç›®æŒ‡ã—ãŸã“ã®è¨€èªžã®åŸºæœ¬ã‚’ç†è§£ã—ã‚ˆã†ï¼ˆç·¨é›†éƒ¨ï¼‰ ç¬¬ï¼‘å›žã€ŒObjective-Cã¯ç‰¹æ®Šãªè¨€èªžï¼Ÿã€ã§ã¯ã€Objective-Cã®ã‚³ãƒ¼ãƒ‰ã®ã€Œè¦‹ãŸç›®ã€ã®ç¬¬ä¸€å°è±¡ã«åŸºã¥ã„ã¦ã€ã“ã®è¨€èªžã®ç‰¹å¾´çš„ãªéƒ¨åˆ†ã¨ã€ãã®æˆã‚Šç«‹ã¡ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã—ãŸã€‚ ä»Šå›žã¯ã€ã”ãç°¡å˜ãªãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿéš›ã«ä½œã£ã¦å‹•ã‹ã—ã¦ã¿ã‚‹ã“ã¨ã§ã€ã‚ˆã‚Šå…·ä½“çš„ãªé ˜åŸŸã«è¸ã¿è¾¼ã‚“ã§ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ å°‘ã—ã ã‘è¤‡é›‘ãªHello World ã“ã†ã„ã£ãŸå ´é¢ã§æœ€åˆã«ä½œã‚‰ã‚Œã‚‹ã®ã¯ã€ãŸã„ã¦ã„ã€ŒHello Worldã€ã¨ã„ã†æ–‡å—åˆ—ã‚’è¡¨ç¤ºã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã™ã€‚ã“ã“ã§ã‚‚ã€æœ€çµ‚çš„ã«ã¯æ–‡å—åˆ—ã‚’è¡¨ç¤ºã™ã‚‹ã“ã¨ã‚’ç›®çš„ã¨ã™ã‚‹ã‚·ãƒ³ãƒ—ãƒ«ãªãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ä½œæˆã—ã¾ã™ãŒã€ãã“ã«
yyamano 2008/10/09
Objective-C
ãƒªãƒ³ã‚¯
Objective-Cã¯ç‰¹æ®Šãªè¨€èªžï¼Ÿ - ï¼ IT
Objective-Cã¯ç‰¹æ®Šãªè¨€èªžï¼Ÿï¼šCocoaã®ç´ ã€Objective-Cã‚’çŸ¥ã‚ã†ï¼ˆ1ï¼‰ï¼ˆ1/2 ãƒšãƒ¼ã‚¸ï¼‰ iPhoneç”¨ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™ºã§æ³¨ç›®ã‚’é›†ã‚ã‚‹è¨€èªžã€ŒObjective-Cã€ã€‚C++ã¨ã¯ç•°ãªã‚‹Cè¨€èªžã®æ‹¡å¼µã‚’ç›®æŒ‡ã—ãŸã“ã®è¨€èªžã®åŸºæœ¬ã‚’ç†è§£ã—ã‚ˆã†ï¼ˆç·¨é›†éƒ¨ï¼‰ å”çªã§ã™ãŒã€çš†ã•ã‚“ã¯æ–°ãŸã«1ã¤ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã‚’ä¿®å¾—ã—ã‚ˆã†ã¨æ€ã„ç«‹ã£ãŸã¨ãã€æœ€åˆã«ä½•ã‚’ã—ã¾ã™ã‹ã€‚ãã®è¨€èªžã®å…¥é–€ç”¨ã‚µã‚¤ãƒˆã‚’è¦‹ã¦å›žã‚‹ã€é–¢é€£æ›¸ç±ã‚’ç«‹ã¡èªã¿ã™ã‚‹ã€ã‚µãƒ³ãƒ—ãƒ«ã‚’å…¥æ‰‹ã—ã¦å–ã‚Šã‚ãˆãšå‹•ã‹ã—ã¦ã¿ã‚‹ã€ã¨ã„ã£ãŸã¨ã“ã‚ã§ã—ã‚‡ã†ã‹ã€‚ã¡ãªã¿ã«ç§ã¯æ›¸ç±ãŒå¥½ãã§ã€ã—ã‹ã‚‚ç«‹ã¡èªã¿ã§ã¯ãªãè³¼å…¥æ´¾ã§ã™ã€‚ ã„ãšã‚Œã«ã—ã¦ã‚‚ã€ã¾ãšã¯ãã®è¨€èªžã®ã‚³ãƒ¼ãƒ‰ã‚’ç›®ã§è¦‹ã¦ã€ã€Œã„ã£ãŸã„ã©ã‚“ãªè¨€èªžãªã®ã‹ã€ã¨ã„ã†ã‚¤ãƒ¡ãƒ¼ã‚¸ã‚’ã¤ã‹ã‚€ã®ãŒæœ€åˆã®ä¸€æ©ã¨ãªã‚‹ã§ã—ã‚‡ã†ã€‚ä½•ã‹ã—ã‚‰ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°çµŒé¨“ãŒã‚ã‚‹äººãªã‚‰ã€ã‚³ãƒ¼ãƒ‰ã‚’çœºã‚ã¦ã€ã€Œã‚ã‚ã€ã‚ã®è¨€èªžã«ä¼¼ã¦ã„ã‚‹ãªã€ã¨ã‹ã€Œã†ã‚ã€ã“ã‚Œã¯ã¨ã£ã¤ãã«
yyamano 2008/10/09
Objective-C
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