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Switching to a TabBar tab view programmatically?

... Like Stuart Clark's solution but for Swift 3: func setTab<T>(_ myClass: T.Type) { var i: Int = 0 if let controllers = self.tabBarController?.viewControllers { for controller in controllers { if let nav = controller as? UINavigationController, nav.topViewCont...
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Class 'DOMDocument' not found

...dom in Configure Command, what should i do next? – ws_123 Jan 18 '13 at 9:38 That depends on your system. Worst case y...
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mmap() vs. reading blocks

I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
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How do I generate random numbers in Dart?

...0.9 ... the result would be for example -0.32 – just_a_dude Nov 7 '13 at 13:59 2 ...
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怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术

...立一个Win32工程,然后看自动生成的代码: int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow) { ... // 主消息循环: while (GetMessage(&msg...
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Add a CSS class to

... <%= f.submit 'name of button here', :class => 'submit_class_name_here' %> This should do. If you're getting an error, chances are that you're not supplying the name. Alternatively, you can style the button without a class: form#form_id_here input[type=submit] Try that,...
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How do I install a custom font on an HTML site

... Yes, you can use the CSS feature named @font-face. It has only been officially approved in CSS3, but been proposed and implemented in CSS2 and has been supported in IE for quite a long time. You declare it in the CSS like this: @font-face { font-family: Delicious; src: url('Delicious-Roman.otf')...
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Link to add to Google calendar

...p;location=[location] &trp=false &sprop= &sprop=name:" target="_blank" rel="nofollow">Add to my calendar</a> Here's a form which will help you construct such a link if you want (mentioned in earlier answers): https://support.google.com/calendar/answer/3033039 Edit: This link ...
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Is the order of iterating through std::map known (and guaranteed by the standard)?

... Yes, that's guaranteed. Moreover, *begin() gives you the smallest and *rbegin() the largest element, as determined by the comparison operator, and two key values a and b for which the expression !compare(a,b) && !compare(b,a) is true are considered equal. The default comparis...
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How to get error message when ifstream open fails

... Every system call that fails update the errno value. Thus, you can have more information about what happens when a ifstream open fails by using something like : cerr << "Error: " << strerror(errno); However, since every s...