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How to convert R Markdown to PDF?

... Updated Answer (10 Feb 2013) rmarkdown package: There is now an rmarkdown package available on github that interfaces with Pandoc. It includes a render function. The documentation makes it pretty clear how to convert rmarkdown to pdf among a range of other formats. This includes i...
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Remove specific commit

... rebase, and there are no straightforward examples, and the docs assume I know more than I do. 11 Answers ...
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What is the difference between save and export in Docker?

...r a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them. ...
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What is the difference between a reference type and value type in c#?

... I found it easier to understand the difference of the two if you know how computer allocate stuffs in memory and know what a pointer is. Reference is usually associated with a pointer. Meaning the memory address where your variable reside is actually holding another memory address of the ...
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Animate scrollTop not working in firefox

.... var element = ( html.scrollTop === newY ) ? 'html' : 'body'; // now reset back to the starting position window.scrollTo(0, startingY); return element; } // store the element selector name in a global var - // we'll use this as the selector for our page scrolling animation. scrol...
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Is there any JSON Web Token (JWT) example in C#?

...Time(1970,1,1,0,0,0,0, DateTimeKind.Utc); var issueTime = DateTime.Now; var iat = (int)issueTime.Subtract(utc0).TotalSeconds; var exp = (int)issueTime.AddMinutes(55).Subtract(utc0).TotalSeconds; // Expiration time is up to 1 hour, but lets play on safe side var payl...
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What is a loop invariant?

...be no number such that start <= mid and mid <= end and therefore we know that the statement A[mid] == a must be false. However, as a result the overall logical statement is still true in the null sense. ( In logic the statement if ( false ) then ( something ) is always true. ) Now what abou...
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What is std::promise?

... I understand the situation a bit better now (in no small amount due to the answers here!), so I thought I add a little write-up of my own. There are two distinct, though related, concepts in C++11: Asynchronous computation (a function that is called somewhere el...
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Why does the month argument range from 0 to 11 in JavaScript's Date constructor?

...have excellent libraries like Moment.js, date-fns, and js-joda. But as of now, there is nothing more than Date built-in to the language. Hopefully this will change in the near future. share | impr...
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How to concatenate properties from multiple JavaScript objects

... This is one of the best I could say. Since E6 is now mostly used, Object.assign is the best answer. – Vimalraj Selvam Nov 22 '16 at 10:53 6 ...