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What are the advantages of NumPy over regular Python lists?
...sumed by the objects that those pointers refer to.
– PM 2Ring
Oct 10 '16 at 12:38
@AlexMartelli, could you please let ...
How does the Amazon Recommendation feature work?
... classical approaches to the problem of online commerce - I used to be the PM who worked on data mining and analytics for the Microsoft product called Commerce Server. We shipped in Commerce Server the tools that allowed people to build sites with similar capabilities.... but the bigger the sales v...
服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...况比较常见，一些爬虫服务器或者WEB服务器（如果网管在安装的时候没有做内核参数优化的话）上经常会遇到这个问题，这个问题是怎么产生的呢？
从 上面的示意图可以看得出来，TIME_WAIT是主动关闭连接的一方保持的状态，对...
Generate random numbers using C++11 random library
..., type, or distribution of the numbers generated by rand.
(quote from Lippmans C++ primer fifth edition 2012)
I finally found a the best explaination out of 20 books in Bjarne Stroustrups newer ones - and he should know his stuff - in "A tour of C++ 2019", "Programming Principles and Practice ...
.NET 4.0 has a new GAC, why?
...lobal Assembly Cache (GAC):
Mark Miller said...
June 28, 2010 12:13 PM
Thanks for
the post. "Interference issues" was
intentionally vague. At the time of
writing, the issues were still being
investigated, but it was clear there
were several broken scenarios.
For instance, ...
Sleep until a specific time/date
...es left...
2 minutes left...
1 minute left...
Mon, May 18, 2015 1:00:00 PM
(The date at the end is not part of the function, but due to the && date)
Code
til(){
local hour mins target now left initial sleft correction m sec h hm hs ms ss showSeconds toSleep
showSeconds=true
[[ $...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...例子是基于 PHP 的 libevent 扩展实现的，需要运行的话要先安装此扩展，参考：http://pecl.php.net/package/libevent。
epoll/kqueue 的例子最好是能在linux环境下运行，因为windows下的php不支持多epoll模型，也不支持多进程。
以上就是我对php...
Using Node.js only vs. using Node.js with Apache/Nginx
...uration whereas with Node you need to figure out integration with systemd, pm2, etc. So there are pluses and minuses and the user should pick their poison, so to speak.
– user636044
Nov 20 '15 at 2:38
...
通信连接组件 · App Inventor 2 中文网
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通信连接组件
Activity...
Why use the SQL Server 2008 geography data type?
...hone: (816) 214-6957 USA Central Time (-6:00 UTC)
Between 9:00 AM and 7:00 PM
Ported to Transact SQL by Paul Burrows BCIS
*/
DECLARE @C_RADIUS_EARTH_KM As Decimal(38, 19)
SET @C_RADIUS_EARTH_KM = 6370.97327862
DECLARE @C_RADIUS_EARTH_MI As Decimal(38, 19)
SET @C_RADIUS_EARTH_MI = 3958.73926185
DE...