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Adding a regression line on a ggplot
...formation about smoothing methods and formula you can find in help page of function stat_smooth() as it is default stat used by geom_smooth().
ggplot(data,aes(x.plot, y.plot)) +
stat_summary(fun.data=mean_cl_normal) +
geom_smooth(method='lm', formula= y~x)
If you are using the same x and y v...
Safe integer parsing in Ruby
I have a string, say '123' , and I want to convert it to the integer 123 .
8 Answers
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How to check which version of v8 is installed with my NodeJS?
...
Just for fun, if you have curl available in your terminal, the following should give you v8's version:
V=`cat /usr/include/node/node_version.h | grep -E '^\#define NODE_(MAJOR|MINOR|PATCH)_VERSION' | sed -e 's/^[^0-9]*//'`; V=`echo $...
What does the ng stand for in Angular.js directives
...f those things that pissed me off it. Efforts should be made to make codes fun to do!!
– Damilola Olowookere
Dec 4 '18 at 0:19
9
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How to convert a number to string and vice versa in C++
...n and vice-versa are built in into the standard library. All the following functions are present in <string> (as per paragraph 21.5).
string to numeric
float stof(const string& str, size_t *idx = 0);
double stod(const string& str, size_t *idx = 0);
long doubl...
Parse JSON in C#
...omepage"",""content"":""The American Dairy Association\u0026#39;s official site includes recipes and information on nutrition and storage of \u003cb\u003echeese\u003c/b\u003e.""},{""GsearchResultClass"":""GwebSearch"",""unescapedUrl"":""http://www.gnome.org/projects/cheese/"",""url"":""http://www....
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...eHeightPrevious = 0
// I call this in "onResume()" of my fragment
fun addListener() {
viewTreeObserver.addOnGlobalLayoutListener(listener)
}
// I call this in "onPause()" of my fragment
fun removeListener() {
viewTreeObserver.removeOnGlobalLayoutListener(listene...
Advantages of stateless programming?
I've recently been learning about functional programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? ...
Capturing Groups From a Grep RegEx
...he following examples and more, which may not be what you're looking for:
123_abc_d4e5
xyz123_abc_d4e5
123_abc_d4e5.xyz
xyz123_abc_d4e5.xyz
To eliminate the second and fourth examples, make your regex like this:
^[0-9]+_([a-z]+)_[0-9a-z]*
which says the string must start with one or more digit...
How to sort a dataframe by multiple column(s)
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You can use the order() function directly without resorting to add-on tools -- see this simpler answer which uses a trick right from the top of the example(order) code:
R> dd[with(dd, order(-z, b)), ]
b x y z
4 Low C 9 2
2 Med D 3 1
1 Hi A ...