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Order Bars in ggplot2 bar graph
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The key with ordering is to set the levels of the factor in the order you want. An ordered factor is not required; the extra information in an ordered factor isn't necessary and if these data are being used in any statistical model, the w...
Java: Integer equals vs. ==
... cdsCt were both ints so this was fine, but I had to make them Integers in order to check for the null situation which is handled differently ...
– Jeremy Goodell
Sep 3 '10 at 17:40
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Responsive css background images
... to change the images but I wanna know if there is a more practical way in order to achieve this.
19 Answers
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Scala: Abstract types vs generics
...ed type abstraction
abstract class MaxCell extends AbsCell {
type T <: Ordered { type O = T }
def setMax(x: T) = if (get < x) set(x)
}
Here, the type declaration of T is constrained by an upper type bound which consists of a class name Ordered and a refinement { type O = T }.
The upper...
What is the difference between compare() and compareTo()?
...re less than, equal, or greater than.
If your class objects have a natural order, implement the Comparable<T> interface and define this method. All Java classes that have a natural ordering implement Comparable<T> - Example: String, wrapper classes, BigInteger
compare(a, b):
Comparator i...
How to access cookies in AngularJS?
...ference from http://www.tutsway.com/simple-example-of-cookie-in-angular-js.php.
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MySQL Cannot Add Foreign Key Constraint
...ecks=0 before running the DDL so you can create the tables in an arbitrary order rather than needing to create all parent tables before the relevant child tables.
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What is the difference between a definition and a declaration?
...lly instantiates/implements this identifier. It's what the linker needs in order to link references to those entities. These are definitions corresponding to the above declarations:
int bar;
int g(int lhs, int rhs) {return lhs*rhs;}
double f(int i, double d) {return i+d;}
class foo {};
A definit...
What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
... Use this if you
have a directory full of HTML, cgi, php3, epy, or rpy
files or any other files that you want to be served up
raw.
There are also a bunch of other commands such as:
conch A Conch SSH service.
dns ...
Installing specific laravel version with composer create-project
...efer-dist laravel/laravel Projectname "6.*"
Run Local Development Server
php artisan serve
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