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通过UIScrollView实现无线循环滚动
//TODO
mac下通过brew安装nginx+php-fpm+mysql
nginx
- 安装：
brew install nginx - 配置
- 配置文件位置：
/usr/local/etc/nginx - 可在此目录下创建
conf.d目录，放置虚拟站点配置文件 - 如果想启用directory index，添加配置
autoindex on。未启用此配置时如访问http://127.0.0.1，会出现403错误，配置后会列出目录结构。还有可能是目录的权限问题，这个需要另行解决
- 配置文件位置：
- 启动
sudo nginx- 帮助：
nginx -h
php-fpm
可以直接使用mac自带的php、php-fpm，启动：sudo /etc/sbin/php-fpm
php的header函数中http_response_code参数
header函数的定义如下：
void header ( string $string [, bool $replace = true [, int $http_response_code ]] )
代码如下：
header('Location: http://www.google.com', TRUE, 200);
此时，如果要传递http_response_code，那么应该是302，此时的200应该是错误的。而根据手册上的描述：
The second special case is the "Location:" header. Not only does it send this header back to the browser, but it also returns a REDIRECT (302) status code to the browser unless the 201 or a 3xx status code has already been set.
也就是当发送Location头时，需要返回302状态码（除非设定了201和3xx状态码）。实际情况是：
- apache+php时，服务器返回200，导致不跳转
- nginx+php-fpm时，200会被修正为302返回，前台仍能正常跳转
根据手册的描述，nginx+php-fpm进行了正确的处理。
fix Library not loaded error
like
dlopen(xxxxx.bundle, 9): Library not loaded: xxxx.dylib (LoadError)
then
otool -L xxxxx.bundle
show result
xxxx.dylib (compatibility version 18.0.0, current version 18.0.0)
then
install_name_tool -change xxxx.dylib right_dylib_path xxxxx.bundle,
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