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vector::at vs. vector::operator[]
...], it is undefined behavior—a
crash in all of the systems I use (g++ and VC++), at least when the
normal debugging flags are used. (Another difference is that once I'm
sure of my code, I can get a substantial speed increase for operator[]
by turning the debugging off. If the performance requires...
MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...以九个例子进行总结如下：1. CFrameWndEx 在框架类的头文件中定义一个CDo...最近做项目使用到了MFC的CDockablePane进行布局，下面将应用心得以九个例子进行总结如下：
1. CFrameWndEx 在框架类的头文件中定义一个CDockablePane的数组
CDo...
Forward declaring an enum in C++
...
@rubenvb So does Visual C++ 11 (2012) blogs.msdn.com/b/vcblog/archive/2011/09/12/10209291.aspx
– knatten
Oct 15 '12 at 14:14
...
What does addChildViewController actually do?
...tation methods
(Possibly) forwarding memory warnings
Avoiding inconsistent VC hierarchies, especially in transitionFromViewController:toViewController:… where both VCs need to have the same parent
Allowing custom container view controllers to take part in State Preservation and Restoration
Taking ...
dismissModalViewControllerAnimated deprecated
...; As it has been for the presenting API call:
[self presentViewController:vc animated:NO completion:nil];
The reasons were discussed in the 2012 WWDC Session 236 - The Evolution of View Controllers on iOS Video. Essentially, view controllers presented by this API are no longer always modal, and s...
C++11 std::threads vs posix threads
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Did you use mingw version of std::thread? Compared to MSVC I would expect a performance hit because they use a port of pthreads, but MSVC should be okay.
– Jesse Good
Oct 30 '12 at 21:17
...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
... Note that some compilers do define the behaviour in this situation. In VC++ 2005+, for example, if a is volatile, the needed memory bariers are set up to prevent instruction reordering so that double-checked locking works.
– Eclipse
Jun 23 '09 at 16:11
...
你真的了解熊市有多么可怕吗？ - 创意 - 清泛网 - 专注C/C++及内核技术
...的理由。股价开始下跌，而很多人还沉浸在赚钱的喜悦当中，认为这只不过是牛市的回调，可是赚钱却变得越来越困难。最后很多人终于忍无可忍，开始抛售股票，股价开始大幅下跌，进入熊市的中级阶段。
我只记得我2000年拿...
不穿绿衣服！盘点股民的五个奇葩迷信行为 - 轻松一刻 - 清泛网 - 专注C/C++...
...一度有所减轻的迷信行为又开始重出江湖。
其实，股市中很大一部分的股民都是散户，他们没有最新的经济资讯和专业的投资知识，也没有强大的抗风险能力，对于股灾，他们只能采取这样的迷信行为来减轻自己的心理压力，...
妈妈是捡来的！成都这个小学生的作文又火了！ - 轻松一刻 - 清泛网 - 专注C...
...捡来的
不说你也明白
嘘！我会把这个秘密永远藏在心中
这首小诗在网络上走红，引发众多网友共鸣，不少人坦言在成长过程中遭遇过“你是捡来的”困惑，这首小诗既有童真，又包含对妈妈的爱，读后让人忍不住...