Dynamically allocating an array of objects
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柔情千种
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Thisiskindofabeginnersquestion,butIhaven\'tdoneC++inalongtime,soheregoes... Ihaveaclassthatcontainsadynamicallyallocatedarray,say classA { int*...
Is there a destructor for Java?
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柔情千种
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IsthereadestructorforJava?Idon\'tseemtobeabletofindanydocumentationonthis.Ifthereisn\'t,howcanIachievethesameeffect? Tomakemyquestionmorespecifi...
How to check if an app is installed from a web-pag
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柔情千种
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Iwanttocreateaweb-page,apagethatwillredirectaniPhonetotheapp-storeiftheiPhonedoesnothavetheapplicationinstalled,butiftheiPhonehastheappinstalledI...
How do I detect that an iOS app is running on a ja
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IfIwantmyapptobehavedifferentlyonajailbrokeniPhone,howwouldIgoaboutdeterminingthis? 回答1: Itdependswhatyoumeanbyjailbreak.Inthesimplecase,youshou...
Can I perform a DNS lookup (hostname to IP address
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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Iwouldliketouseclient-sideJavascripttoperformaDNSlookup(hostnametoIPaddress)asseenfromtheclient\'scomputer.Isthatpossible? 回答1: There\'snonotion...