...在多线程环境中更慢也更难以使用。 C++ 可以通过使用 智能指针（smart pointers）来容忍程序员所犯的一些错误，智能指针可以为您处理引用计数等指针处理细节。不过，如果不得不使用任何先前的不能处理智能指针的代码（比...

...要搬过来。 如果说中关村要变成创业街、五道口要变成智能孵化中心、那么现在的西北旺若干年后会不会是另一个圣克拉拉大峡谷，下一个硅谷之地呢？ 如今的出行市场三分天下：外有UBER虎视中国市场，内有背靠乐视生态的...

...建的指针，切记在容器对象析构前将指针delete掉。 STL很智能，但没有智能到知道是否该删除自己所包含的指针所指向的对象的程度。为了避免资源泄漏，你必须在容器被析构前手工删除其中的每个指针，或使用引用计数形式的...

... Guido van Rossum (the inventor of Python) answers this exact question himself in an old blog post. Basically, he admits that it's theoretically possible, but that any proposed solution would be un-Pythonic: "But the complexity of any proposed ...

... Notwithstanding the JSON inventor's reservations, I just used this to add comments (without the javascript part, but only the [] and commas) to add comments to help a possible future maintainer who might hand-edit my little JSON file. ...

...hase_1也不过10+行指令，但最初我的出发点错了：完全依靠人工去读代码而不使用更便捷的gdb去调试和查看内存和寄存器的情况。 比方说，困扰了我好几天之久的strings_not_equal函数。现在看来，函数的名字已再清楚不过的体现了...

...usantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo. Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui ratione voluptatem sequi nesci...

...，这个很不常见，因为它没有任何压力，而且挂掉了必须人工干预才能修复。在GFS + Bigtable里，这个Global Heartbeat叫做Lock Service。 现在接着设计我们的“山推”系统。有了前面两篇的铺垫，我们的系统现在已经有了五脏六腑，...

...ototype) to create Eve (Object). Then who created Adam (Function)? -- The Inventor of the JavaScript language :-). According to utsaina's answer, I want to add more useful info. The most surprising thing for me was discovering that Object.__proto__ points to Function.prototype, instead of O...

...ve contains the source code, the compiled binary for uploading to the App Inventor and a sample application. Usage Pixel vs. DIP App Inventor 2 uses the unit of pixels to define the width and height of elements. However, this does not mean a (hardware) pixel on the display, but a DIP (Device Inde...