大约有 15,572 项符合查询结果(耗时:0.0294秒) [XML]

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“Application tried to present modally an active controller”?

...[tabBarController presentModalViewController:vc3]; This will give you an error because that Tab Bar Controller has a death grip on the view controller that you gave it. You can either not add it to the array of view controllers on the tab bar, or you can not present it modally. Apple expects you...
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Declaration/definition of variables locations in ObjectiveC?

...ckage = @"iPackage"; //iPrivate = @"iPrivate"; // compiler error: variable is private iProtected2 = @"iProtected2"; iPublic = @"iPublic"; self.iPublic2 = @"iPublic2"; // using self because the backing ivar is private //iNotVisible = @"iNotVi...
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How to get full path of a file?

...s paths. Asking for a full path of a not existing file should result in an error. – styrofoam fly Apr 9 '18 at 9:00 ...
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How to get list of all installed packages along with version in composer?

...install the vendor bundles using Composer, I'm getting a lot of dependency errors. Presumably this is something to do with the latest version of Symfony just being released and my composer.json file not specifying exact version numbers. ...
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How to convert ASCII code (0-255) to its corresponding character?

..., you will get a "java.lang.Integer cannot be cast to java.lang.Character" error. Add a cast to int first, e.g.: Character.toString((char)(int)myInteger); – gbmhunter Jun 7 '16 at 4:00 ...
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How to redirect to a dynamic login URL in ASP.NET MVC

... mistake. Modify the value in web.config: <forms loginUrl="~/Account/ERROR" timeout="2880" /> Then make an action method 'ERROR' that logs an error and redirects the user to the most generic login page you have. s...
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?

...ve you ever found a way to make it work with soft delete? query fails with error Unknown column 'table_alias.deleted_at' – dev7 Nov 29 '16 at 23:56 ...
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How can I propagate exceptions between threads?

...his_thread::sleep_for(std::chrono::seconds(1)); throw std::runtime_error("To be passed between threads"); } catch(...) { teptr = std::current_exception(); } } int main(int argc, char **argv) { std::thread mythread(f); mythread.join(); if (teptr) { ...
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What does the M stand for in C# Decimal literal notation?

...biguous (and it may well be, although "1e" ends up with a curious compiler error message suggesting it's out of the range of viable doubles, not that it's syntactically invalid; I suspect that's a bug) it would still be confusing. "c" would possibly make sense without causing any confusion, although...
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?

... simple dictionary to a json file from python, but I keep getting the "TypeError: 1425 is not JSON serializable" message. 1...