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Adding a regression line on a ggplot
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In general, to provide your own formula you should use arguments x and y that will correspond to values you provided in ggplot() - in this case x will be interpreted as x.plot and y as y.plot. More information about smoothing methods and formula you can find in help page of function stat_smo...
Find the nth occurrence of substring in a string
This seems like it should be pretty trivial, but I am new at Python and want to do it the most Pythonic way.
21 Answers
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how to append a list object to another
in C++, I have two list<T> objects A and B and I want to add all the members of B to the end of A . I've searched a few different sources and haven't found a simple solution (e.i. A.append(B); ) and this surprises me a bit.
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What does “default” mean after a class' function declaration?
...e that function automatically.
With the introduction of move constructors and move assignment operators, the rules for when automatic versions of constructors, destructors and assignment operators are generated has become quite complex. Using = default and = delete makes things easier as you don't ...
How does bash tab completion work?
I have been spending a lot of time in the shell lately and I'm wondering how the tab autocomplete works. What's the mechanism behind it? How does the bash know the contents of every directory?
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Java string to date conversion
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That's the hard way, and those java.util.Date setter methods have been deprecated since Java 1.1 (1997). Simply format the date using SimpleDateFormat using a format pattern matching the input string.
In your specific case of "January 2, 2010" as...
What is the difference between ndarray and array in numpy?
What is the difference between ndarray and array in Numpy? And where can I find the implementations in the numpy source code?
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Why does “_” (underscore) match “-” (hyphen)?
... SQL pattern matching enables you to use "_" to match any single character and "%" to match an arbitrary number of characters (including zero characters).
(From section 3.3.4.7. Pattern Matching in the MySQL documentation.)
If you want to use the underscore in like as a literal, you have to escap...
Content Security Policy “data” not working for base64 Images in Chrome 28
...et a CSP header with the meta http-equiv header. I included a base64 image and I'm trying to make Chrome load the image.
2 ...
PHP Sort Array By SubArray Value
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Well he just gave you the function to use. And you're going to have to accept that there's not always a built-in function to do what you want, you have to write it yourself. Comparison functions just require a return of 1, 0, or -1 indicating the sort order for two el...