大约有 500 项符合查询结果(耗时:0.0146秒) [XML]
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元,实际车费38元。
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。
...
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元素,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...
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 ...
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 ...
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
...
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 ...
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...
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,可以用于所有的元素类型,如同内核中的链表,假设有一个easy_request_t的元素的链表,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...
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 ...
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 用互斥元保护共享数据… 32
3.2.1 使用C++中的互斥元… 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...