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shared_ptr指针被赋值后，原指针会引用清零、自动释放。 - C/C++ - 清泛IT...
shared_ptr指针被赋值后，原指针会引用清零、自动释放。
std::shared_ptr<int> intg;
void foo(std::shared_ptr<int> p)
{
        intg = p;   // 原指针释放，存储新的智能指针
        //*(in...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
I am trying to use Bootstrap to make an interface for a program. I added jQuery 1.11.0 to the <head> tag and thought that was that, but when I launch the web page in a browser jQuery reports an error:
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How to use '-prune' option of 'find' in sh?
I don't quite understand the example given from the man find , can anyone give me some examples and explanations? Can I combine regular expression in it?
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How to run functions in parallel?
... first and couldn't find an answer to my question. I am trying to run multiple functions in parallel in Python.
6 Answers
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CSS scrollbar style cross browser [duplicate]
...crollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox.
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Get querystring from URL using jQuery [duplicate]
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From: http://jquery-howto.blogspot.com/2009/09/get-url-parameters-values-with-jquery.html
This is what you need :)
The following code will return a JavaScript Object containing the URL parameters:
// Read a page's GET URL variables...
How to use “not” in xpath?
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not() is a function in xpath (as opposed to an operator), so
//a[not(contains(@id, 'xx'))]
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How to set current working directory to the directory of the script in bash?
I'm writing a bash script. I need the current working directory to always be the directory that the script is located in.
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How can I print the contents of a hash in Perl?
I keep printing my hash as # of buckets / # allocated.
How do I print the contents of my hash?
11 Answers
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Bash variable scope
Please explain to me why the very last echo statement is blank? I expect that XCODE is incremented in the while loop to a value of 1:
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