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Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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编译，用Windbg分析。
1. 设置断点，打开源文件，直接在result = _ttol(argv[1]);按F9
或者设置_wtol和atol的断点:
因为代码中有：
#ifdef _UNICODE
# define _ttol _wtol
#else
# define _ttol atol
#endif
而宏是在编译期间就被编译器...
Zip lists in Python
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When you zip() together three lists containing 20 elements each, the result has twenty elements. Each element is a three-tuple.
See for yourself:
In [1]: a = b = c = range(20)
In [2]: zip(a, b, c)
Out[2]:
[(0, 0, 0),
(1, 1, 1),
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(17, 17, 17),
(18, 18, 18...
top命令使用详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...显示过程,即可以通过用户按键来不断刷新当前状态.如果在前台执行该命令,它...top命令基本用法
显示系统当前的进程和其他状况； top是一个动态显示过程,即可以通过用户按键来不断刷新当前状态.如果在前台执行该命令,它将独...
Statistics: combinations in Python
...ersions of scipy). When exact is False, it uses the gammaln function to obtain good precision without taking much time. In the exact case it returns an arbitrary-precision integer, which might take a long time to compute.
sh...
How to get back to most recent version in Git?
... @Nathan: In git a branch is really mostly a movable pointer to a certain revision. So conceptually, you're sort of creating a branch, but not in the sense that git thinks of branches.
– DLH
Aug 24 '10 at 17:26
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
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4. 一直选中item
选中style中的Show selection always，或者在上面第2点中设置LVS_SHOWSELALWAYS
5. 选中和取消选中一行
int nIndex = 0;
//选中
m_list.SetItemState(nIndex, LVIS_SELECTED|LVIS_FOCUSED, LVIS_SELECTED|LVIS_FOCUSED);
//取消选...
Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...即时消息推送系统等。comet应用具体可见我之前的介绍，在此不多讲。对于这类系统，因为很多消息需要到产生时才推送给客户端，所以当没有消息产生时，就需要hold住客户端的连接，这样，当有大量的客户端时，就需要hold住...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
通过FastCGI Cache实现服务降级在自然界中，很多生物面临生死考验的时候，往往会做出惊人的反应，其中最为大家熟知的当属壁虎，危难关头，与其坐以待毙，不如断尾求生，通...在自然界中，很多生物面临生死考验的时候，往...
What does collation mean?
... @Piskvor: aren't coordinates in your info pointing to a certain country using an alphabet with 42 letters, 15 of them having diacritics?
– Quassnoi
Dec 27 '10 at 13:07
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When should I use genetic algorithms as opposed to neural networks? [closed]
...e useful for recognizing patterns. They follow a simplistic model of the brain, and by changing a number of weights between them, attempt to predict outputs based on inputs.
They are two fundamentally different entities, but sometimes the problems they are capable of solving overlap.
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