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Convert a list of data frames into one data frame
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Use bind_rows() from the dplyr package:
bind_rows(list_of_dataframes, .id = "column_label")
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How do I make a splash screen?
I wanted to make my app look more professional, so I decided that I wanted to make a splash screen.
34 Answers
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What are some uses of decltype(auto)?
In c++14 the decltype(auto) idiom is introduced.
2 Answers
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What are the best practices for JavaScript error handling?
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An immensely interesting set of slides on Enterprise JavaScript Error Handling can be found at http://www.devhands.com/2008/10/javascript-error-handling-and-general-best-practices/
In short it summarizes:
Assume your code will fail
Log errors to the server...
node.js global variables?
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Could you provide a little bit more information please? Is this part of javascript or part of node? Is it a good pattern to follow? As in should I do this or should I use express set? Thanks
– Harry
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RSS Feeds in ASP.NET MVC
...led RssResult that
inherits off the abstract base class
ActionResult.
Override the ExecuteResult method.
ExecuteResult has the ControllerContext passed to it by the caller and with this you can get the data and content type.
Once you change the content type to rss, you will want to serialize the dat...
Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...其父进程终止，则可以使用下面的循环方式：
while(getppid() != 1)
sleep(1);
这种循环称为轮询（polling），由于所有的进程都共有一个最原始的父进程init，其pid为1，所以每隔1秒查询一次父进程状态，直至父进程终止。
以上...
Override devise registrations controller
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If you override a Devise controller like this, make sure you copy all views from app/views/devise/registrations to app/views/registrations/ (change for whichever controller you're overriding).
– Jamie Cobbett
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Rebasing a Git merge commit
...answered Jan 24 '11 at 16:01
siridesiride
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AngularJS: Basic example to use authentication in Single Page Application
....userRole = null;
};
return this;
});
(4) Parent controller: Consider this as the "main" function of your application, all controllers inherit from this controller, and it's the backbone of the authentication of this app.
<body ng-controller="ParentController">
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</body>
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