大约有 40,000 项符合查询结果(耗时:0.0614秒) [XML]

https://stackoverflow.com/ques... 

How to use __doPostBack()

I'm trying to create an asyncrhonous postback in ASP.NET using __doPostBack() , but I have no idea how to do it. I want to use vanilla JavaScript. ...
https://stackoverflow.com/ques... 

X-Frame-Options Allow-From multiple domains

...ot supported. Second, you need to dynamically extract that value from the HTTP referrer, which means that you can't add the value to Web.config, because it's not always the same value. It will be necessary to do browser-detection to avoid adding allow-from when the browser is Chrome (it produces ...
https://stackoverflow.com/ques... 

Find out if string ends with another string in C++

... Use boost::algorithm::ends_with (see e.g. http://www.boost.org/doc/libs/1_34_0/doc/html/boost/algorithm/ends_with.html ): #include <boost/algorithm/string/predicate.hpp> // works with const char* assert(boost::algorithm::ends_with("mystring", "ing")); // al...
https://stackoverflow.com/ques... 

How is null + true a string?

...t's walk through this in turn. X is the null type here - or not a type at all, if you want to think of it that way. It's not providing any candidates. Y is bool, which doesn't provide any user-defined + operators. So the first step finds no user-defined operators. The compiler then moves on to the...
https://stackoverflow.com/ques... 

What's the pythonic way to use getters and setters?

... Try this: Python Property The sample code is: class C(object): def __init__(self): self._x = None @property def x(self): """I'm the 'x' property.""" print("getter of x called") return self._x @x.setter def x(self, value): print("sette...
https://stackoverflow.com/ques... 

Cast a Double Variable to Decimal

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

A cron job for rails: best practices?

... I'm using the rake approach (as supported by heroku) With a file called lib/tasks/cron.rake .. task :cron => :environment do puts "Pulling new requests..." EdiListener.process_new_messages puts "done." end To execute from the command line, this is just "rake cron". This command ...
https://stackoverflow.com/ques... 

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? ...
https://stackoverflow.com/ques... 

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...