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文 / 李金辉

数据解读2012年的“双11”

2012年淘宝“双11”的交易总额达到惊人的191亿元。根据国家统计局发布的数据:2012年10月中国社会消费品零售总额为18934亿元,平均到每天约为610亿元。这意味着在“双11”当天,中国人消费的每3元钱中就有1元是通过淘宝平台交易的,同时标志着以淘宝为代表的电子商务新经济的巨大胜利。

在激动人心的业务数据背后,淘宝技术平台和商家自身的技术平台承受了巨大压力——世界上再没有一个网站比淘宝“双11”当天的并发访问量还大。在这场业务和技术的双重盛宴中,云计算发挥了中流砥柱的作用。本文将为大家详细分析云计算为商家带来的价值以及云计算如何帮助商家解决其技术难题。 阅读全文 »

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十一 19

“当你50岁时,还愿意编程吗?”这个话题在Hacker News上众说纷纭,不过我们能够看到,那些真正成功的程序员,如John

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Carmack、Peter Norvig、Jeff Dean,即使他们不再年轻,但依然对编程充满热情,他们身上有哪些与众不同之处,又有哪些值得我们学习?有人进行了总结。

1. 选择当前科技领域的一个小子集,亲近它、拥抱它,并且尝试推进这个小领域的发展。

2. 理解不同数据结构和算法的优缺点,不单是内存中,还有磁盘上的表现。

3. 首先深刻理解你所在的领域,然后抛开计算机,像普通用户那样观察和体会。 阅读全文 »

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15

你认为最具争议的编程观点是什么?C#专家Jon Skeet曾在StackOverflow上提出这个问题。这里列举最热门的前10条讨论。

1. 业余时间不以编程为乐者,永远赶不上那些以此为乐的同行

即使最聪明、最有才华的人,若只是将编程作为工作,就永远成不了真正优秀的程序员。以编程为乐的人会在业余时搞些小项目,或者摆弄各种编程语言和编程思想。 阅读全文 »

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05

苹果在OS X Mountain Lion中引入了一些看似微不足道,但其实影响深远的创新想法。

苹果2月中旬向开发者发布了下一代桌面操作系统OS X 10.8—Mountain Lion(美洲狮)预览版,这个狮子我觉得实在没有几位前任好看,估计苹果已经把好看的大型猫科动物都用得差不多了,再来也许就要考虑换个物种。

虽然狮子貌不惊人,但其中加入的新功能却着实让人感到这是个划时代的操作系统。在这一版本中,Messages替换了iChat,新增了Reminders提醒、Game Center和通知中心。 阅读全文 »

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13

文 / 郑金条

不同平台的生态圈、技术障碍等壁垒阻碍了开发者快速发展,而HTML5虽被寄予厚望,但目前还缺乏有说服力的产品,HTML5的潜能仍需在探索中被继续挖掘。

Beau Hindman在解析自己理想的游戏状态时,认为好的游戏除了在创意环节(Originality,包括题材、玩法、交互方式)、游戏玩法环节(Gameplay)、风格类型(Style)、声效环节(Great

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