大约有 40,000 项符合查询结果(耗时:0.0613秒) [XML]

https://stackoverflow.com/ques... 

Using the rJava package on Win7 64 bit with R

I'm trying to install rJava on a computer with Win 7 64 bit. When I run 12 Answers 1...
https://stackoverflow.com/ques... 

In Python, if I return inside a “with” block, will the file still close?

... @RikPoggi os._exit is sometimes used - it exits the Python process without calling cleanup handlers. – Acumenus Oct 8 '16 at 6:25 ...
https://stackoverflow.com/ques... 

How can I know when an EditText loses focus?

...to execute when EditText loses focus if (et_mobile.getText().toString().trim().length() == 0) { CommonMethod.showAlert("Please enter name", FeedbackSubmtActivity.this); } } } }); public static void showAlert(String message, Activity context) { ...
https://stackoverflow.com/ques... 

How to install Xcode Command Line Tools

How do I get the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later? 13 Answ...
https://stackoverflow.com/ques... 

Understanding generators in Python

...A generator is simply a function which returns an object on which you can call next, such that for every call it returns some value, until it raises a StopIteration exception, signaling that all values have been generated. Such an object is called an iterator. Normal functions return a single value...
https://stackoverflow.com/ques... 

How to get current PHP page name [duplicate]

... You can use basename() and $_SERVER['PHP_SELF'] to get current page file name echo basename($_SERVER['PHP_SELF']); /* Returns The Current PHP File Name */ share | ...
https://www.tsingfun.com/it/cpp/1282.html 

解决:Run-Time Check Failure #0,The value of ESP was not properly sav...

...就可以在定义该函数的时候加上一句话, FAR PASCAL 或者 __stdcall 这个就OK了。 具体做法: 比如说你要定义一个 返回类型为空,参数为空的函数指针: typedef void (*LPFUN)(void); 这样确实跟我们dll里的函数匹配了,上面也说...
https://stackoverflow.com/ques... 

How to Unit test with different settings in Django?

... EDIT: This answer applies if you want to change settings for a small number of specific tests. Since Django 1.4, there are ways to override settings during tests: https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings TestCase will have a self.settings context ma...
https://bbs.tsingfun.com/thread-515-1-1.html 

关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...塞的古老模型:属于同步阻塞 IO 模型,代码如下: socket_server.php <?php   /** * SocketServer Class * By James.Huang <shagoo#gmail.com> **/   set_time_limit(0);   class SocketServer    {       private stati...
https://stackoverflow.com/ques... 

How to do parallel programming in Python?

For C++, we can use OpenMP to do parallel programming; however, OpenMP will not work for Python. What should I do if I want to parallel some parts of my python program? ...