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领域驱动设计系列(二):领域Model? - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Domain Model, 同时我们又设计了ViewModel, 这样一般也没什么问题,职责也很清晰。但是有几个问题
我们要做很多的模型转换,转入转出。当然我们可以用AutoMapper来但是AutoMapper的性能实在难以恭维,大家可以在网上搜索AutoMapper per...
Why do people say that Ruby is slow? [closed]
... Computer Language Benchmarks Game:
Ruby 1.9 vs. Python3 within the same order of magnitude
Ruby 1.9 vs. PHP within the same order of magnitude
Ruby 1.9 vs. Java 6 server up to two orders of magnitude slower!
Ruby 1.9 vs. C (gcc) up to two orders of magnitude slower!
...
Why is Ruby considere...
App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度
...能。
2.主题:编写“健身宝”手机应用程序
3.问题:
(1)如何获取走路步数、距离?
(2)如何计算走路时间?
(3)如何获得当前位置?
(4)如何存储信息?
4.规划:
(1)利用pedome...
新浪是如何分析处理32亿条实时日志的? - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Checklist。
随着用户数据的不断增长,index管理也成了大问题,我们需要基于大量不同的用户配置定期的create、optimize、close、delete、snapshot不同的index,在某个服务器上手工配置crontab已是不可能,而且cron是单点。于是我们开发...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
... and it sends you an email with a link, and you have to click that link in order to verify your account
30 Answers
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What is the use of the @ symbol in PHP?
... Cool feature.. It makes the use of isset()'s unnecessary in order to avoid undefined offset errors.
– W.M.
Dec 17 '16 at 20:55
add a comment
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PHP array delete by value (not key)
...ould need array_values() as well; the remaining keys are still in the same order though, so technically it's not "unsorted"
– Ja͢ck
Dec 26 '14 at 5:27
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领域驱动设计系列(三):事件驱动上 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...nt.DeActive();
_emailService.SendEmail();
}
}
但是,问题来了,如果后来我们要说,如果设备坏了,我们要更改可用库存的数量,这时候我们是不是要在这里修改代码而引入IInventoryService? 后来如果经理说设备坏了你们尽然...
Error in exception handler. - Laravel
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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json_encode is returning NULL?
...ult = mysql_query('SELECT `id`, `name`, `description`, `icon` FROM `staff` ORDER BY `id` DESC LIMIT 20') or die(mysql_error());
$rows = array();
while($row = mysql_fetch_assoc($result)){
$rows[] = $row;
}
echo json_encode($rows);
?>
When iterating over mysql_num_rows you should use < n...
