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How to use sessions in an ASP.NET MVC 4 application?

...pe in a session. Once created you can access the value stored to it across all views and controllers. Take note also that session created is only accessible per user and per browser. Meaning the session created by User1 using Firefox cannot be accessed by the same user using IE. There are things als...
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iPhone UITextField - Change placeholder text color

...olor blackColor]; textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:placeholderText attributes:@{NSForegroundColorAttributeName: color}]; } else { NSLog(@"Cannot set placeholder text's color, because deployment target is earlier than iOS 6.0"); // TODO: Add fall-back...
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What is __declspec and when do I need to use it?

I have seen instances of __declspec in the code that I am reading. What is it? And when would I need to use this construct? ...
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Can't use Swift classes inside Objective-C

... -Swift.h file, only the bridging headers. So I created it, but it's actually empty. I can use all my ObjC classes in Swift, but I can't do it vice versa. I marked my swift class with @objc but it didn't help. What can I do now? ...
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JavaScript: Overriding alert()

... It's definitely "supported". It is your web page, you do whatever you want to with it. I already did this to track analytics events without modifying a library but by sneaking into events. Use the proxy pattern: (function(proxied) { window.alert = function() {...
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Print JSON parsed object?

...ilable in FF8+, Opera, Chrome and Safari: developer.mozilla.org/en-US/docs/Web/API/console.dir – olibre Nov 14 '13 at 13:53 ...
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How to open, read, and write from serial port in C?

...en), and just copy and paste the bits needed into each project. You must call cfmakeraw on a tty obtained from tcgetattr. You cannot zero-out a struct termios, configure it, and then set the tty with tcsetattr. If you use the zero-out method, then you will experience unexplained intermittent failur...
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node.js equivalent of python's if __name__ == '__main__' [duplicate]

I'd like to check if my module is being included or run directly. How can I do this in node.js? 2 Answers ...
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__declspec(dllexport) 导出符号解决链接失败问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

__declspec(dllexport) 导出符号解决链接失败问题特别注意:dllexport、dllimport导出、导入的方式仅针对dll动态库,而lib静态库无需任何申明,宏全部替换成空即可。error LNK2019: 无法解析的外部符号 "public: __thiscall CBtt::CBtt(void)" (??0CBtt@@Q...
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Merge, update, and pull Git branches without using checkouts

I work on a project that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do: ...