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Easiest way to convert int to string in C++
...ric type) and std::to_string, the counterparts of the C atoi and itoa but expressed in term of std::string.
#include <string>
std::string s = std::to_string(42);
is therefore the shortest way I can think of. You can even omit naming the type, using the auto keyword:
auto s = std::to_stri...
What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
...
Judging from the examples you provide, I'm assuming that by ANNs, you mean multilayer feed-forward networks (FF nets for short), such as multilayer perceptrons, because those are in direct competition with SVMs.
One specific benefit that thes...
Underscore: sortBy() based on multiple attributes
...bjects a second attribute should be used to comapare the two objects. For example, consider the following array:
11 Answers...
Is there a way to change the spacing between legend items in ggplot2?
... v3.0.0 released in July 2018 has working options to modify legend.spacing.x, legend.spacing.y and legend.text.
Example: Increase horizontal spacing between legend keys
library(ggplot2)
ggplot(mtcars, aes(factor(cyl), fill = factor(cyl))) +
geom_bar() +
coord_flip() +
scale_fill_brewer(...
How to install Homebrew on OS X?
I'm trying to install Homebrew on OS X.
13 Answers
13
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SVG get text element width
...avaScript for an SVG file and need to get the width and height of a text element so I can resize a rectangle that surrounds it. In HTML I would be able to use the offsetWidth and offsetHeight attributes on the element but it appears that those properties are unavailable.
...
Ruby on Rails: Where to define global constants?
...ch are accessible from everywhere in an initializer like in the following example. This is probably the best place, if your colours are really global and used in more than one model context.
# put this into config/initializers/my_constants.rb
COLOURS = ['white', 'blue'].freeze
Note: when we defin...
Is an array name a pointer?
...ces for integers, but it can point to a space for an integer. We can, for example, set it to point to one of the places in the array a, such as the first one:
p = &a[0];
What can be confusing is that you can also write this:
p = a;
This does not copy the contents of the array a into the po...
Difference between private, public, and protected inheritance
...rs first in my own words. If you already know this, skip to the heading "next:".
There are three accessors that I'm aware of: public, protected and private.
Let:
class Base {
public:
int publicMember;
protected:
int protectedMember;
private:
int privateMember;...
Writing Unicode text to a text file?
...
Deal exclusively with unicode objects as much as possible by decoding things to unicode objects when you first get them and encoding them as necessary on the way out.
If your string is actually a unicode object, you'll need to con...