大约有 1,200 项符合查询结果(耗时:0.0098秒) [XML]

https://www.tsingfun.com/it/tech/1389.html 

程序员之网络安全系列(二):如何安全保存用户密码及哈希算法 - 更多技术 ...

...多就999次不就打开了?那么问题来了,你的密码箱还安全? 彩虹表 除了穷举法外,由于之前的密码泄露,那么攻击者们,手上都有大量的彩虹表,比如”I love you”,生日等等,这个表保存了这些原值以及MD5后的值,那么使用...
https://www.tsingfun.com/ilife/tech/384.html 

外媒评本轮科技泡沫:创业公司首当其冲 九成将消失 - 资讯 - 清泛网 - 专注...

...复存在。 以下为文章全文: 科技行业正处于泡沫之中?我认为是如此。我们身边到处遍布着科技泡沫的迹象。好消息是,这一次的科技泡沫完全不同于上一次。除了经济预测所常见的不确定性,还有其他一些原因让任何人...
https://www.tsingfun.com/it/tech/1392.html 

程序员之网络安全系列(五):数字证书以及12306的证书问题 - 更多技术 - ...

...是,就算浏览器地址栏的锁不能变绿,我们还得订票不是? 我觉得12306可能需要一个操作系统内置的认证机构来发一个证书,不然普通的用户根本不知道怎么安装证书,如果不使用https,那么安全性如何得到保证呢? 最后 ...
https://www.tsingfun.com/it/tech/455.html 

整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...

...会员必须在 Discuz! 登录一次,下次才会同步登录。这正常? 答:正常。因为 phpsso 作为 UCenter 的第三方应用,是需要在 Discuz! 登录激活的。 如果您嫌在 Discuz! 激活麻烦,可以与我联系,我们将提供商业服务,帮您解决这个问...
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How to find the kth largest element in an unsorted array of length n in O(n)?

... i) If i > k, return Select(G, n-k, i-k) It's also very nicely detailed in the Introduction to Algorithms book by Cormen et al. share | improve this answer | follow ...
https://www.tsingfun.com/it/tech/908.html 

Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...alR主要负责的是构建实时服务,例如股票,聊天室,在线游戏等实时性要求比较高的服务。 为什么要用 Web API Web API最重要的是可以构建面向各种客户端的服务。另外与WCF REST Service不同在于,Web API利用Http协议的各个方面来表...
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Multiprocessing: How to use Pool.map on a function defined in a class?

...or p in proc] return [p.recv() for (p, c) in pipe] if __name__ == '__main__': print parmap(lambda x: x**x, range(1, 5)) share | improve this answer | follow ...
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Defeating a Poker Bot

... classify rogue cheating or robotic players. Back when online poker was a fairly new entity, there was rumour and talk with limited evidence that some poker client software screen-shots of suspicious players desktops to see if they were running programs that assist them. However (even if this were ...
https://www.tsingfun.com/ilife/tech/1245.html 

O2O江湖:2015大洗牌 2016 BAT等巨头将“肉搏” - 资讯 - 清泛网 - 专注C/C++及内核技术

...及疯狂的订单数和月活,而会互相问一句,“公司还活着?” O2O的服务带有强烈的地域属性,且难以标准化,这也决定了O2O的竞争,价格战是最迅速有效的方式,烧钱拖垮了一大部分中小玩家,也促使了滴滴快的、58赶集、...
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What algorithms compute directions from point A to point B on a map?

...tion, you can have several layers of map data: A 'highways' layer that contains only highways, a 'secondary' layer that contains only secondary streets, and so forth. Then, you explore only smaller sections of the more detailed layers, expanding as necessary. Obviously this description leaves out a ...