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How to forward declare a template class in namespace std?

...rs. Of course, I know that there are more template params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it? ...
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Can I call memcpy() and memmove() with “number of bytes” set to zero?

... the length of the array for a function, n can have the value zero on a call to that function. Unless explicitly stated otherwise in the description of a particular function in this subclause, pointer arguments on such a call shall still have valid values, as described in 7.1.4. On such a call...
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?

... GCC has: -- Built-in Function: int __builtin_clz (unsigned int x) Returns the number of leading 0-bits in X, starting at the most significant bit position. If X is 0, the result is undefined. -- Built-in Function: int __builtin_clzl (unsigned long...
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How to download a file from a URL in C#?

...ethod also supports local files as 1st parameter – oo_dev Aug 22 '17 at 8:35 The MSDN doc did mention to use HttpClien...
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Is there a recommended format for multi-line imports?

... Personally I go with parentheses when importing more than one component and sort them alphabetically. Like so: from Tkinter import ( Button, Canvas, DISABLED, END, Entry, Frame, LEFT, NORMAL, RI...
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完美解决phpcms批量移动内容后,新闻心情、评论排行等不更新的问题 - 更多...

... */ public function remove() { if(isset($_POST['dosubmit'])) { $this->content_check_db = pc_base::load_model('content_check_model'); $this->hits_db = pc_base::load_model('hits_model'); $this-...
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How to completely uninstall Visual Studio 2010?

...ly and ultimately remove Visual Studio 2010 from my computer. When you install Visual Studio, it also installs a bunch of programs (about 55) in the add/remove programs panel ( appwiz.cpl ). ...
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Pickle or json?

...ccf1b3fa91f4399902bb534/raw/03e8dbab11b5605bc572bc117c8ac34cfa959a70/pickle_vs_json.py python pickle_vs_json.py Results with python 2.7 on a decent 2015 Xeon processor: Dir Entries Method Time Length dump 10 JSON 0.017 1484510 load 10 JSON 0.375 - dump 10 Pickle 0.011 ...
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How can I mock dependencies for unit testing in RequireJS?

...'log'); yourModule.foo(); expect(console.log).toHasBeenCalledWith('hurp'); }) }); }); })(); So I'm using this approach in production for a while and its really robust. share | ...
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“Unknown class in Interface Builder file” error at runtime

...th it, and prints the warning. By default, Objective-C targets will have -all_load -ObjC flags set by default, which will keep all of the symbols. But I had started with a C++ target, and didn't have that. Nevertheless, I found a way around this, which keeps the linker aggressive. The hack I was...