I was wondering if - (void)applicationWillTerminate:(NSNotification *)notification is still called when the system shuts down and the a开发者_开发问答pplication is told to quit.
I'm working on an agent that needs to perform some actions when quitting, but I'm not sure if the delegate is called or not.
Thanks!
Yes, applicationWillTerminate: will be called. The best-practices for clean application shutdown are documented by Apple.
知某换热壁面的污垢热阻为0.0003（m2•K），若该换热壁面刚投入运行时的传热系数为340W（m2•K），则该换热壁面有污垢时的传热系数为。不换方略#p#ａr慧#p#zh
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I need to generate an XML output using Perl code.I\'m trying not to use any libraries,as it\'s very simple, temporary XML that gets used by another step in the process.
It seems to me Apple won\'t allow this, but I need to make sure. For an app we\'re building, we want to ask the user to enter payment information (including credit card details) to pay for tickets. T
是否在对方手机上显示已读，是由用户自行设置的。依次打开iPhone的“设置-信息”，会有一个“发送已读回执”的选项。将其打开，对方就能看到你，是否已经阅读了本条iMessage信息。将其关闭，对方就看不到。
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Is there anyway to use a PostgreSQL GUI to modify the database contents without doing a db:pul开发者_开发技巧l?
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