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R - Markdown avoiding package loading messages

...udio, and think it is pretty neat. I have a minor issue though. When I source a file in an R-Chunk, the knitr output includes external comments as follows: ...
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How to make an element in XML schema optional?

So I got this XML schema: 2 Answers 2 ...
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How to load a tsv file into a Pandas DataFrame?

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HTML table td meaning

In HTML table, what does td stands for? I mean literally, what is it acronym for? Table division? Table data? 8 Answers ...
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jQuery removing '-' character from string

I have a string "-123445". Is it possible to remove the '-' character from the string? 3 Answers ...
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str.startswith with a list of strings to test for

I'm trying to avoid using so many if statements and comparisons and simply use a list, but not sure how to use it with str.startswith : ...
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How to get the title of HTML page with JavaScript?

How can I get the title of an HTML page with JavaScript? 3 Answers 3 ...
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NameError: name 'self' is not defined

Why such structure 3 Answers 3 ...
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What does the “-U” option stand for in pip install -U

Despite a ton of Googling, I can't find any docs for pip's command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip's options and arguments? ...
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rotating axis labels in R

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