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Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
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How to generate a core dump in Linux on a segmentation fault?
I have a process in Linux that's getting a segmentation fault. How can I tell it to generate a core dump when it fails?
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Import package.* vs import package.SpecificType [duplicate]
Would it suppose any difference regarding overhead to write an import loading all the types within one package ( import java.* ); than just a specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
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Use numpy array in shared memory for multiprocessing
I would like to use a numpy array in shared memory for use with the multiprocessing module. The difficulty is using it like a numpy array, and not just as a ctypes array.
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Converting a Uniform Distribution to a Normal Distribution
How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?
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Iterate all files in a directory using a 'for' loop
How can I iterate over each file in a directory using a for loop?
17 Answers
17
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Accessing private member variables from prototype-defined functions
Is there any way to make “private” variables (those defined in the constructor), available to prototype-defined methods?
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How to find children of nodes using BeautifulSoup
I want to get all the <a> tags which are children of <li> :
6 Answers
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C++形参与实参的区别（实例解析） - C/C++ - 清泛网 - 专注C/C++及内核技术
...=*x;
*x=*y;
*y=tmp;
printf("Exchg3:x=%d,y=%d\n",*x,*y);
}
void main()
{
int a=4,b=6;
Exchg1 (a,b) ;
printf("a=%d,b=%d\n",a,b);
Exchg2 (a,b);
printf("a=%d,b=%d\n",a,b);
Exchg3(&a,&b) ;
printf("a=%d,b=%d\n",a,b);
}
这里Exchg1函数被调用的时候，并没有成功交...
How do I return multiple values from a function in C?
If I have a function that produces a result int and a result string , how do I return them both from a function?
8 Answe...