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How to run Rails console in the test environment and load test_helper.rb?
...g.gem "thoughtbot-factory_girl", :lib => "factory_girl", :source => "http://gems.github.com"
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How can I catch a 404?
...
Use the HttpStatusCode Enumeration, specifically HttpStatusCode.NotFound
Something like:
HttpWebResponse errorResponse = we.Response as HttpWebResponse;
if (errorResponse.StatusCode == HttpStatusCode.NotFound) {
//
}
Where
we i...
How to write an async method with out parameter?
...rs.
Lucian Wischik explains why this is not possible on this MSDN thread: http://social.msdn.microsoft.com/Forums/en-US/d2f48a52-e35a-4948-844d-828a1a6deb74/why-async-methods-cannot-have-ref-or-out-parameters
As for why async methods don't support out-by-reference parameters?
(or ref paramete...
How to reuse existing C# class definitions in TypeScript projects
... keep things updated, TypeLite can generate TypeScript interfaces from C#:
http://type.litesolutions.net/
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LEGO EV3 机器人按键控制 · App Inventor 2 中文网
...明
原作者：CAVEDU Education
原项目链接：https://www.hackster.io/CAVEDU/app-inventor-lego-ev3-robot-button-control-5e6533
版权归属：本文档中所有内容版权归原项目作者所有。
您的改进建议 联系方式...
CSS Classes & SubClasses
...
do you want to force only children to be selected? http://css.maxdesign.com.au/selectutorial/selectors_child.htm
.area1
{
border:1px solid black;
}
.area1>.item
{
color:red;
}
.area2
{
border:1px solid blue;
}
.area2>.item
{
color:blue;
}
...
Remove Last Comma from a string
...// trim last character
$("#demo").text(strVal);
}
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<p class="txtValue">Striing with Commma,</p>
<button onclick="myFunction()">Try it</button>
<p id="de...
Detect changes in the DOM
...nt
$("body").trigger("domChanged");
});
Full example
http://jsfiddle.net/hbmaam/Mq7NX/
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Add a prefix to all Flask routes
...('bar'))
if __name__ == '__main__':
app.run('0.0.0.0', 9010)
Visit http://localhost:9010/foo/bar,
You will get the right result: The URL for this page is /foo/bar
And don't forget to set the cookie domain if you need to.
This solution is given by Larivact's gist. The APPLICATION_ROOT is n...
What is a callback function?
...ely separate machine, and you are calling it using a network protocol like HTTP. You could expose your callback as an HTTP-callable function, and pass its URL.
You get the idea.
The recent rise of callbacks
In this web era we have entered, the services we invoke are often over the network. We of...