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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
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NSString *tmpPath = NSTemporaryDirectory();
13.利用Safari打开一个链接
NSURL *url = [NSURL URLWithString:@"http://baidu.com"];
[[UIApplication sharedApplication] openURL:url];
14.利用UIWebView显示pdf文件，网页等等
<UIWebViewDelegate>
UIWebView *webView = [[UIWebView ...
[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...以将实现打印或打印预览新增的三个类，生成MFC扩展动态链接库，以方便加入到程序中。
参考文献：
［1］［美］Michael J. Young.Visual C++6从入门到精通［M］.美国:电子工业出版社.
［2］MSDN Library Visual Studio 6.0 / VC++ TNO30：Customi...
How to implement common bash idioms in Python? [closed]
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>>>result = !dmesg | grep -i 'usb' #the ! operator does it all
– Permafacture
Nov 9 '13 at 17:14
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Wrapping a C library in Python: C, Cython or ctypes?
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...e; if device has more than one external storage (external sdcard, external usb etc.), above the code won't work non primary storages.
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...繁的系统调用。
ptmalloc 将相似大小的 chunk 用双向链表链接起来, 这样的一个链表被称为一个 bin。Ptmalloc 一共 维护了 128 个 bin,并使用一个数组来存储这些 bin(如下图所示)。
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