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https://www.tsingfun.com/it/cpp/1426.html 

C++静态和多态,亦敌亦友 - C/C++ - 清泛网 - 专注C/C++及内核技术

...,在程序运行的过程,是“静止”不变,固定的(特别是内存地址),当然“多态”就是与之对立的概念。这一篇我们并不讨论静态(成员)变量或静态(成员)函数有什么作用,而是讨论“静态”的行为,对比“多态”。我们...
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家政O2O百家争鸣后的卡位战:烧钱补贴并非良药 - 资讯 - 清泛网移动版 - 专...

...才能在竞争中胜出,而这也是目前几乎所有O2O企业面临的最大问题。 就在国内家政O2O风生水起的时候,家政O2O鼻祖Homejoy却在7月底关张了。有媒体曝出导致Homejoy关闭的“决定性因素”是4起关于员工身份问题的诉讼。但不少业内...
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Are GUID collisions possible?

...ake. How did it happen, in a small application that was running on Pocket PC, at the end of an operation a command that has an generated GUID must be issued. The command after it was executed on the server it was stored in a command table on the server along with the execution date. One day when I ...
https://www.tsingfun.com/down/ebook/62.html 

Boost程序库完全开发指南——深入C++“准”标准库高清PDF版 - 文档下载 - ...

...的,应该更好一些;可惜这本书还是接下来马上就开始讲内存管理,介绍 shared_ptr 了,不能免俗啊。 这本书的另一个特色就是例子都是作者专心构造的,尽显作者给足了心想做本好书。比如讲 date_time 库的那一章,构造了一个...
https://www.tsingfun.com/ilife/tech/549.html 

千亿时代 网游走到十字路口 - 资讯 - 清泛网 - 专注C/C++及内核技术

...速放缓到不能再缓的端游还能挺多久?手游作为游戏增长最大驱动力如何面临资本降温和淘汰加速的考验?电视游戏(包括主机游戏等)能不能接过力促增长的枪?虚拟现实是噱头还是真正的行业未来?这是个十字路口。 结构...
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Linq: GroupBy, Sum and Count

... ProductName = g.First().Name, Price = g.Sum(pc => pc.Price).ToString(), Quantity = g.Count().ToString(), }; share | improve this answ...
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Where are static variables stored in C and C++?

...0 mov 0x0(%rip),%eax # a <f+0xa> 6: R_X86_64_PC32 .data-0x4 and the .data-0x4 says that it will go to the first byte of the .data segment. The -0x4 is there because we are using RIP relative addressing, thus the %rip in the instruction and R_X86_64_PC32. It is re...
https://www.tsingfun.com/ilife/tech/796.html 

互联网金融创业大赛收官 揭示创业三大风向标 - 资讯 - 清泛网 - 专注C/C++...

...企业进行预警提示,如未按期还款,可采取一定的措施,最大限度降低坏账风险。除此之外,引入风险转嫁模式,达到转移和控制风险的目的,才是提高平台风险承受能力的根本途径。 这次创业大赛搭建了一个将“金融”和“...
https://www.tsingfun.com/ilife/tech/983.html 

科大讯飞徐景明:从语音交互到人工智能 - 资讯 - 清泛网 - 专注C/C++及内核技术

...,刘庆峰和师兄弟们创立的科大讯飞,已经成为亚太地区最大的智能语音上市公司,在语音合成、语音识别、口语评测、自然语言理解等多项技术上拥有国际领先的成果。占有中文语音市场70%的份额;下一步,科大讯飞的目标是...
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Context switches much slower in new linux kernels

... tune. In other words, even if you completely disable all C states in your PC's (or server's) BIOS, this driver will still force them on during periods of brief inactivity, which are almost always happening unless an all core consuming synthetic benchmark (e.g., stress) is running. You can monitor C...