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Deadly CORS when http://localhost is the origin

...lija's comment is correct, adding these headers to localhost will not magically give you access to all other sites. It's the remote site that needs to be served with these headers. – Rob W Mar 22 '14 at 22:59 ...
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How do I properly escape quotes inside HTML attributes?

...ric html entities over named entities, in that named entities do not cover all characters, while numeric entities do. The full HTML4 list is at w3.org/TR/html4/sgml/entities.html . – atk Oct 25 '10 at 14:42 ...
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Alarm 闹钟扩展 · App Inventor 2 中文网

... Android 10和小米设备的额外权限)。示例中展示了解决此问题的可能方案。 为了启动新活动,`AlarmIntent` 中的 `FlagNewTask` 属性必须设置为 true! 小米设备制造商用户注意: 在闹钟时间,扩展的一个类在后台启动。对于小米设备...
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实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...时性较差。虽然可以通过加快轮询频率的方式来缓解这个问题,但相应付出的代价也不小:一来会使负载居高不下,二来也会让带宽捉襟见肘。 再来说说Long Polling,如果使用传统的LAMP技术去实现的话,大致如下所示: Long Pol...
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How to search a Git repository by commit message?

... To search the commit log (across all branches) for the given text: git log --all --grep='Build 0051' To search the actual content of commits through a repo's history, use: git grep 'Build 0051' $(git rev-list --all) to show all instances of the given t...
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move_uploaded_file gives “failed to open stream: Permission denied” error

...ke the owner of those folders same as httpd process owner OR make them globally writable (bad practice). Check apache process owner: $ps aux | grep httpd. The first column will be the owner typically it will be nobody Change the owner of images and tmp_file_upload to be become nobody or whatever t...
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记一次诡异的Linux程序启动即崩溃:Program received signal SIGSEGV, Segm...

...的原因是没定位出来,但是可以确定的是程序编译依赖的问题,重新整理并添加了一下程序的依赖库,重新编译后就ok了。 (程序启动即崩溃出问题的时候没有添加部分依赖库,竟然可以正常编译通过,整个过程感觉有些诡异...
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SSMS插件开发指南 - C/C++ - 清泛网 - 专注C/C++及内核技术

...本不能高于SSMS的版本,否则会出现各种各样意想不到的问题。 SSMS2008一般采用VS2005或VS2008开发,SSMS2012采用VS2012开发。SSMS2008与SSMS2012一些获取对象等细节方面也有少量差异。最好使用各自的VS版本生成基本代码后,再添砖加瓦...
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How do I use Django templates without the rest of Django?

...r Jinja2 because of {% set %} syntax and equality to Twig template engine (PHP). It's better to write cross platform code always, but the performance difference is not critical - for example, python will always work slower than PHP so if you need performance you better create site with PHP, Twig and...
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八成企业活不过18个月 怎样避免“初创死”? - 资讯 - 清泛网 - 专注C/C++及内核技术

...很多创新企业提供指导。他和我聊天时,谈到创业周期的问题。他觉得创业都是一开始很顺利,然后3-4个月会出现瓶颈期,到1年左右,能够坚持下来的公司业务都慢慢稳固,进入快速发展阶段。 当然,这个时间表不是绝对的。...