大约有 40,000 项符合查询结果(耗时:0.0369秒) [XML]

https://stackoverflow.com/ques... 

Attach parameter to button.addTarget action in Swift

...tton.addTarget(self, action: #selector(YourViewController.webButtonTouched(_:)), for:.touchUpInside) webButton.params["myvalue"] = "bob" then finally catch it all here @IBAction func webButtonTouched(_ sender: PassableUIButton) { print(sender.params["myvalue"] ?? "") } You do this one time ...
https://stackoverflow.com/ques... 

How do I create a link using javascript?

...answered Jan 23 '11 at 8:50 gion_13gion_13 38.3k99 gold badges9090 silver badges101101 bronze badges ...
https://stackoverflow.com/ques... 

What does Python's eval() do?

... command string and then have python run it as code. So for example: eval("__import__('os').remove('file')"). – BYS2 Feb 21 '12 at 19:24 ...
https://stackoverflow.com/ques... 

Docker how to change repository name or rename image?

... Note that you probably want docker image tag from_server:version to_server:version as described here: docs.docker.com/engine/reference/commandline/image_tag – Traveler Mar 21 '19 at 0:49 ...
https://stackoverflow.com/ques... 

Paste multiple columns together

...c('d', 'e', 'f'), 'd' = c('g', 'h', 'i')) tidyr::unite_(data, paste(colnames(data)[-1], collapse="_"), colnames(data)[-1]) a b_c_d 1 1 a_d_g 2 2 b_e_h 3 3 c_f_i Edit: Exclude first column, everything else gets pasted. # tidyr_0.6.3 unite(data, newCol, -a) # or by colum...
https://stackoverflow.com/ques... 

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 ...
https://www.tsingfun.com/it/cpp/2146.html 

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

Exiting from python Command Line

...e exit in the command line, it finds the variable with that name and calls __repr__ (or __str__) on it. Usually, you'd get a result like: <function exit at 0x00B97FB0> But they decided to redefine that function for the exit object to display a helpful message instead. Whether or not that's ...
https://stackoverflow.com/ques... 

What are the “standard unambiguous date” formats for string-to-date conversion in R?

...sion will depend on your locale (see the examples in ?strptime and read ?LC_TIME). share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How do I create an abstract base class in JavaScript?

...act), // add class members to C.prototype, // provide optional C.prototype._init() method to initialise from constructor args, // call base class methods using Base.prototype.call(this, ...). // Function.prototype.subclass= function(isabstract) { if (isabstract) { var c= new Function( ...