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How to present popover properly in iOS 8

..."PopoverView"]; UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:controller]; nav.modalPresentationStyle = UIModalPresentationPopover; UIPopoverPresentationController *popover = nav.popoverPresentationController; controller.preferredContentSize ...
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C++ template constructor

... create() does not have to do dynamic allocation. Just return Foo(...); Thanks @Samuel_xL. This turned out to be a great idea for me. – NoahR Feb 26 '13 at 5:08 ...
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Closing Database Connections in Java

... the chance to close this. Many frameworks will look after this resource allocation/deallocation issue for you. e.g. Spring's JdbcTemplate. Apache DbUtils has methods to look after closing the resultset/statement/connection whether null or not (and catching exceptions upon closing), which may also...
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How to access SOAP services from iPhone

...http://www.wsdl2code.com SampleServiceProxy *proxy = [[SampleServiceProxy alloc]initWithUrl:@"YOUR URL" AndDelegate:self]; [proxy GetDouble]; [proxy GetEnum]; [proxy getEnum:kTestEnumTestEnum2]; [proxy GetInt16]; [proxy GetInt32]; [proxy GetInt64]; [proxy GetString]; [proxy getListStrings]...
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How do I get an ISO 8601 date on iOS?

... Use NSDateFormatter: NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; NSLocale *enUSPOSIXLocale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"]; [dateFormatter setLocale:enUSPOSIXLocale]; [dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZZZZZ"]; [dateFormatter setCale...
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How to check if UILabel is truncated?

...is (ARC) : NSMutableParagraphStyle *paragraph = [[NSMutableParagraphStyle alloc] init]; paragraph.lineBreakMode = mylabel.lineBreakMode; NSDictionary *attributes = @{NSFontAttributeName : mylabel.font, NSParagraphStyleAttributeName : paragraph}; CGSize constrainedSize =...
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Launch an app from within another (iPhone)

...hString:customURL]]; } else { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"URL error" message:[NSString stringWithFormat:@"No custom URL defined for %@", customURL] delegate:self cancelButtonTitle:@"Ok" ...
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Unlimited Bash History [closed]

... if you set HISTSIZE and/or HISTFILESIZE too large because it tries to pre-allocate enough memory. This became relevant when running tools that use zsh as their shell (dbx for example). – Brian Vandenberg Oct 9 '17 at 19:09 ...
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How could the UNIX sort command sort a very large file?

... Probably sort -S pre-allocates the memory for the sort process before even reading the contents of file. – Fred Gannett Oct 16 '17 at 10:07 ...
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How to extract the n-th elements from a list of tuples?

... thanks for posting) but others might wonder why dict is faster - it's not allocating memory but only checking against existing element. – Greg0ry Dec 21 '16 at 13:34 ...