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How should one use std::optional?
I'm reading the documentation of std::experimental::optional and I have a good idea about what it does, but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When...
Order data frame rows according to vector with specific order
...work as long as your target contains exactly the same elements as df$name, and neither contain duplicate values.
From ?match:
match returns a vector of the positions of (first) matches of its first argument
in its second.
Therefore match finds the row numbers that matches target's elements, and...
Google Espresso or Robotium [closed]
I have to use Automated UI test tool and I am confused between using Robotium vs Google Espresso.
2 Answers
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How to use glOrtho() in OpenGL?
I can't understand the usage of glOrtho . Can someone explain what it is used for?
3 Answers
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How can I extract a good quality JPEG image from a video file with ffmpeg?
Currently I am using this command to extract the images:
2 Answers
2
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WiX tricks and tips
We've been using WiX for a while now, and despite the usual gripes about ease of use, it's going reasonably well. What I'm looking for is useful advice regarding:
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NULL vs nullptr (Why was it replaced?) [duplicate]
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@Cheersandhth.-Alf I have no idea how to respond to this other than the fact that I knew what I was asking and this was the easiest to understand explanation.
– Riptyde4
Dec 11 '13 at 3:17
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ASP.NET MVC partial views: input name prefixes
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return helper.Partial(partialViewName, model, viewData);
}
and simply use it in your views like this :
<%= Html.PartialFor(model => model.Child, "_AnotherViewModelControl") %>
and you will see everything is ok!
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What is an application binary interface (ABI)?
...an ABI is. Please don't point me to a Wikipedia article. If I could understand it, I wouldn't be here posting such a lengthy post.
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How to convert a String to CharSequence?
...uence. It simply assigns an instance of String to a CharSequence variable, and since String implements the CharSequence interface, the code works.
– João Silva
Oct 16 '10 at 12:06
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