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Side-by-side plots with ggplot2
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You can use the following multiplot function from Winston Chang's R cookbook
multiplot(plot1, plot2, cols=2)
multiplot <- function(..., plotlist=NULL, cols) {
require(grid)
# Make a list from the ... arguments and plotlist
plots <- c(list(...), ...
How to pass arguments to a Button command in Tkinter?
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This can also be done by using partial from the standard library functools, like this:
from functools import partial
#(...)
action_with_arg = partial(action, arg)
button = Tk.Button(master=frame, text='press', command=action_with_arg)
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Check if a class has a member function of a given signature
...ou may exploit SFINAE to detect function presence at compile-time. Example from my code (tests if class has member function size_t used_memory() const).
template<typename T>
struct HasUsedMemoryMethod
{
template<typename U, size_t (U::*)() const> struct SFINAE {};
template<ty...
filename and line number of python script
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Thanks to mcandre, the answer is:
#python3
from inspect import currentframe, getframeinfo
frameinfo = getframeinfo(currentframe())
print(frameinfo.filename, frameinfo.lineno)
share
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Python: List vs Dict for look up table
...he internal hashing implementation at what point the average time diverges from O(1) and starts converging on O(n). You can help the lookup performance by compartmentalizing the global sets into smaller sections based on some easily discernible attribute (like the value of the first digit, then the ...
What is so special about Generic.xaml?
... only applies to any custom controls you have defined i.e. classes derived from Control, directly or indirectly. You can change the default style for a standard control by deriving from it and calling DefaultStyleKeyProperty.OverrideMetadata in the static constructor, but you then have to supply the...
How to plot two columns of a pandas data frame using points?
I have a pandas data frame and would like to plot values from one column versus the values from another column. Fortunately, there is plot method associated with the data-frames that seems to do what I need:
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Collections.emptyList() vs. new instance
...let the compiler infer the type parameter of the generic method invocation from the target type: List<Foo> list = Collections.emptyList()
– Paul Jackson
May 15 '15 at 20:16
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VIM + JSLint?
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You can follow the intructions from JSLint web-service + VIM integration or do what I did:
Download http://jslint.webvm.net/mylintrun.js and http://www.jslint.com/fulljslint.js
and put them in a directory of your choice.
Then add the following line to t...
JavaScript closures vs. anonymous functions
...nterested in identifying a subset of these functions which are interesting from a theoretical point of view. Henceforth any reference to the word closure will refer to this subset of functions unless otherwise stated.
A simple explanation for closures:
Take a function. Let's call it F.
List all t...