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https://www.tsingfun.com/ilife/tech/323.html 

无社交不商业,Uber将边缘化BAT - 资讯 - 清泛网 - 专注C/C++及内核技术

...微信名片。最后付车费的时候,一分钱不需要,Uber补贴50,实际车费38。 Uber最大的价值,当然不在于车费便宜,而在于司机与乘客之间产生的社交关系,如果这两个从事金融的年轻人有了合作,就远远大于打车的价值。 ...
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那些曾被追捧的90后创业男神女神,还好吗? - 资讯 - 清泛网 - 专注C/C++及内核技术

...的方向,每个人都诉说自己的故事,或者植入更多的社交素,形成自己垂直的社交链,有助于增加用户粘性。 现状:还是那样 4.被熊孩子追坏了的小气球 有两个90后熊孩子,用气球将摄像机带到了高空中(具体多高小编没...
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从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...了,该换血了。2)让你团队的人花时候阅读一下《代码大全》这本书(当然,还要读很多基础知识的书)。 次当其冲的是——“结果更重要”,也就是说,做出来更重要,做漂亮不重要。因为我的KPI和年终奖based on how many works ...
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Format number to 2 decimal places

... Truncate always "rounds" down. 1.999 truncated to 2 DP would be 1.99 where 2.00 would mathematically be more correct. If that's not a problem then truncate's fine but you should be aware of it. – GordonM Apr 24 '15 at ...
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How to get the nth element of a python list or a default if not available

...; range(5)[6:7] [] And the full expression >>> (range(5)[3:4]+[999])[0] 3 >>> (range(5)[4:5]+[999])[0] 4 >>> (range(5)[5:6]+[999])[0] 999 >>> (range(5)[6:7]+[999])[0] 999 share ...
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Difference between float and decimal data type

... @a := (a/3): 33.333333333 @b := (b/3): 33.333333333333 @a + @a + @a: 99.999999999000000000000000000000 @b + @b + @b: 100 The decimal did exactly what's supposed to do on this cases, it truncated the rest, thus losing the 1/3 part. So for sums the decimal is better, but for divisions the float ...
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How to list variables declared in script in bash?

...y make it into the output. + function a() { echo $'\nA2=B'; }; A0=000; A9=999; + SOLUTION | grep '^A[0-9]=' A0=000 A9=999 AND: The "DejayClayton" problem is solved (embedded newlines in variable values do not disrupt the output - each VAR=VALUE get a single output line): + A1=$'111\nA2=222'; A0...
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OceanBase使用libeasy原理源码分析:服务器端 - 数据库(内核) - 清泛网 - ...

...list_t:链表结构,只有两个指针next,prev,可以用于所有的素类型,如同内核中的链表,假设有一个easy_request_t的素的链表,遍历它的代码如下: // 假设有一个指针easy_list_t *request_list指向的是一个easy_request_t链表的头 easy_re...
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Regular expression to match numbers with or without commas and decimals in text

...d here: http://rextester.com/YPG96786 This will allow things like: 100,000 999.999 90.0009 1,000,023.999 0.111 .111 0 It will block things like: 1,1,1.111 000,001.111 999. 0. 111.110000 1.1.1.111 9.909,888 There are several ways to make this regex simpler and shorter, but understand that changing ...
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C++并发编程(中文版) - 文档下载 - 清泛网 - 专注C/C++及内核技术

...争条件… 31 3.1.2 避免有问题的竞争条件… 31 3.2 用互斥保护共享数据… 32 3.2.1 使用C++中的互斥… 32 3.2.2 用于保护共享数据的结构化代码… 33 3.2.3 暴露接口中固有的竞争条件… 35 3.2.4 死锁:问题和解决方案… 41 3.2.5 避...