小编Rip*_*Off的帖子

我正在尝试使用第三方库中的函数,并期望输入流对象,其中传输二进制文件数据.

签名看起来像这样:

doSomething(const std::string& ...,
          const std::string& ...,
          std::istream& aData,
          const std::string& ...,
          const std::map<std::string, std::string>* ...,
          long ...,
          bool ...);

由于我不能改变/改变这个第三方的lib /功能,我必须适应"我的"代码.在调用的地方,我有一个std :: vector,它包含了预期在istream对象中传递的数据.目前,我将向量复制到流中,通过迭代并使用<<运算符逐字节复制.

我强烈怀疑可能有一种更有效/方便的方式,但迄今为止找不到任何有用的东西.非常感谢任何帮助/您的想法.

最好,JR

我正在使用以下方法在Ubuntu上观看我的NodeJS服务器的配置文件:

for( var index in cfgFiles ) {
    fs.watch(cfgFiles[index], function(event, fileName) {
        logger.info("======> EVENT: " + event);
        updateConfigData(fileName);
    });
}

因此,每当我保存配置文件时,处理器函数至少两次接收"change"事件,因为相同的文件名导致updateConfigData()被多次执行.使用C++/iNotify观看配置文件时,我遇到了相同的行为.

有没有人知道导致这种行为的原因是什么？

我已经对我的staging rails应用程序进行了更改.我交换了标题图像,因此想再次预编译资产.上周五它还在工作,现在经过这一小小的变化,它突然失败了.我使用部署脚本执行此操作,该脚本克隆git存储库,然后在将文件夹移动到/ var/www之前调用bundle install和rake任务进行预编译.手动调用webserver目录中的预编译任务会导致相同的错误.

配置是:

Ubuntu 12.04,nginx 1.4.7,ruby 1.9.3,rails 4.0.2

我得到的错误:

ubuntu@ip-xx-xxx-xx-xxx:/var/www/myproject-web$ RAILS_ENV=staging bundle exec rake --trace assets:precompile
** Invoke assets:precompile (first_time)
** Invoke assets:environment (first_time)
** Execute assets:environment
** Invoke environment (first_time)
** Execute environment
** Execute assets:precompile
rake aborted!
Sprockets::FileNotFound: couldn't find file 'jquery.ui.tabs'
  (in /var/www/myproject-web/app/assets/javascripts/application.js:15)
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/context.rb:106:in `resolve'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/context.rb:146:in `require_asset'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/directive_processor.rb:217:in `process_require_directive'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/directive_processor.rb:167:in `block in process_directives'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/directive_processor.rb:165:in `each'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/directive_processor.rb:165:in `process_directives'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/directive_processor.rb:99:in `evaluate'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/tilt-1.4.1/lib/tilt/template.rb:103:in `render'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/context.rb:197:in `block in evaluate'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/context.rb:194:in `each'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/context.rb:194:in `evaluate'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/processed_asset.rb:12:in `initialize'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/base.rb:374:in `new'
/usr/local/rvm/gems/ruby-1.9.3-p484/gems/sprockets-2.11.0/lib/sprockets/base.rb:374:in `block …