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How do I determine the target architecture of static library (.a) on Mac OS X?

...cutable ppc Example with archive: logan:/Users/logan% file /usr/lib/libMallocDebug.a /usr/lib/libMallocDebug.a: Mach-O universal binary with 2 architectures /usr/lib/libMallocDebug.a (for architecture i386): current ar archive random library /usr/lib/libMallocDebug.a (for architecture ppc): ...
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Understanding Python's “is” operator

... a is int which is an immutable object. So python (I guess to save memory) allocated the same object to b when it was created with the same value. So in this case, the identities of the variables matched and a is b turned out to be True. This will apply for all immutable objects: >>> del ...
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Add spaces before Capital Letters

... @PandaWood you could but it would require another memory allocation and string copy. That said if performance is a worry a Regex is probably not the best way to go anyhow. – Martin Brown Nov 22 '14 at 9:02 ...
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Fastest way to remove first char in a String

...rly conventional Windows dev environment. They both call System.PInvoke.EE.AllocateString to allocate the destination string object and then call FillSubstring to copy characters across. Am I looking at the wrong thing? – Marcelo Cantos Jul 11 '10 at 7:20 ...
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术

...p.lib") int _tmain(int argc, _TCHAR* argv[]) { BSTR bstrText = ::SysAllocString(L"Test"); char* lpszText2 = _com_util::ConvertBSTRToString(bstrText); SysFreeString(bstrText); // 用完释放 delete[] lpszText2; return 0; } 方法二,使用_bstr_t的赋值运算符重...
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What does yield mean in PHP?

...just a simple array. You can iterate on both. Also, the first one does not allocate a full array and is therefore less memory-demanding. share | improve this answer | follow ...
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How to fix “Headers already sent” error in PHP

...n it's mostly leading whitespace, text or HTML before the opening <?php token. <?php # There's a SINGLE space/newline before <? - Which already seals it. Similarly it can occur for appended scripts or script sections: ?> <?php PHP actually eats up a single linebreak after clos...
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What happens if i return before the end of using statement? Will the dispose be called?

..., in such a case the program is guaranteed to crash, along with any memory allocated to it, so in 99.9% of cases it's a non-issue, unless you're doing wonky stuff like writing to a file in your dispose method. Aside from the catastrophic program crash, that is. – Randolpho ...
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Downcasting shared_ptr to shared_ptr?

...t". This will result in undefined behavior (a Derived* pointing at memory allocated for and initialized by Base) and will likely cause a crash, or worse. The reference count on base will be incremented. The dynamic_pointer_cast will result in a null pointer. The reference count on base will be u...
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Can you call ko.applyBindings to bind a partial view?

... you can also use "with" to allocate regions of the page to individual models - data-bind="with:VMA" – lexicalscope Aug 10 '12 at 14:23 ...