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Why does pattern matching in Scala not work with variables?
...ginning with upper case, or in back ticks, do you need to be aware that it comes from the surrounding scope.
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Change directory command in Docker?
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You can run a script, or a more complex parameter to the RUN. Here is an example from a Dockerfile I've downloaded to look at previously:
RUN cd /opt && unzip treeio.zip && mv treeio-master treeio && \
rm -f treeio.zip &&...
Comment out text in R Markdown (Rmd file)
In an R Markdown ( .Rmd ) file, how do you comment out unused text? I'm not referring to the text in the R code chunk, but the general texts, like % in LaTex for example.
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Why are unsigned int's not CLS compliant?
Why are unsigned integers not CLS compliant?
4 Answers
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How to use Greek symbols in ggplot2?
... 'Male' = expression(beta)));
print(p1);
For complete documentation on the various symbols that are available when doing this and how to use them, see ?plotmath.
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When to use a key/value store such as Redis instead/along side of a SQL database?
...seem to figure out when it's time to use it in an application.
I would recommend you to read this tutorial which contains also use cases. Since redis is rather memory oriented it's really good for frequently updated real-time data, such as session store, state database, statistics, caching and its...
How do I use a compound drawable instead of a LinearLayout that contains an ImageView and a TextView
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TextView comes with 4 compound drawables, one for each of left, top, right and bottom.
In your case, you do not need the LinearLayout and ImageView at all. Just add android:drawableLeft="@drawable/up_count_big" to your TextView.
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What is the difference between Linq to XML Descendants and Elements
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Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
3 Answers
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How to declare std::unique_ptr and what is the use of it?
...ers in a way that does not break the implicit contract they require you to comply with, you will have the guarantee that no memory will be leaked, and the proper ownership policy for your object will be enforced. Raw pointers do not give you this guarantee.
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