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PHP global in functions

....) The problem with globals is not that they are globals, you need them in order to have a meaningful application. The problem is the complexity of the overall application which can make it a nightmare to handle. Sessions are globals, $_POST is a global, DRUPAL_ROOT is a global, the includes/install...
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Difference between and

...of easily indicating which is desired by making it a input type=submit the order on the page is actually significant. share | improve this answer | follow | ...
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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...
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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...
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boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术

...以自定义比较函数。另外,如果调试过程中遇到很奇怪的问题,可以在自定义比较函数中下断点进行调试。 // boost_demo.cpp : 定义控制台应用程序的入口点。 // #include "stdafx.h" #include "boost/shared_ptr.hpp" #include "boost/bimap.hpp" #in...
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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...务器不仅浪费了内存,而且还必须自己维护数据的不一致问题,有了Memcached插件,这些问题都不存在了,而且借助MySQL本身的复制功能,我们可以说是变相的实现了Memcached的复制,这更是意外之喜。 安装 为了让文章更具完整性...
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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor

I'm using .htaccess to rewrite urls and I used html base tag in order to make it work. 11 Answers ...
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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...
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CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ctions/CMakeFiles/MathFunctions.dir/all] Error 2 make: *** [all] Error 2 问题分析: 首先看build/makefile文件,关于MakeTable有如下规则: # Build rule for target. MakeTable: cmake_check_build_system $(MAKE) -f CMakeFiles/Makefile2 MakeTable .PHONY : MakeTable 再看Makefile2...
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is_file or file_exists in PHP

... in order for this benchmark to work, you should add clearstatcache(); since the results for is_file and file_exists are cached throughout the script. Anyways file_exists() is a bit slower, but shouldn't make any difference unles...