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What is the difference between “px”, “dip”, “dp” and “sp”?
...
I will elaborate more on how exactly does dp convert to px:
If running on an mdpi device, a 150 x 150 px image will take up 150 * 150 dp of screen space.
If running on an hdpi device, a 150 x 150 px image will take up 100 * 100 dp of screen space.
If running on an xhd...
Why doesn't Java allow generic subclasses of Throwable?
...in a process called type erasure. For example, List<Integer> will be converted to the non-generic type List.
Because of type erasure, type parameters cannot be determined at run-time.
Let's assume you are allowed to extend Throwable like this:
public class GenericException<T> extends ...
How to print color in console using System.out.println?
...
which doesn't work because the Java IO layer does not convert those to colors. System.out.println((char)27 + "[31;1mERROR" + (char)27 + "[0m" only yields "[31;1mERROR[0m" when run from a windows cmd.com as an executable .jar
– simpleuser
Fe...
Control the dashed border stroke length and distance between strokes
...We would just have replace the path with a circle like in this answer (or) convert the path into a circle.
Browser support for SVG is pretty good and fallback can be provided using VML for IE8-.
Cons:
When the dimensions of the container do not change proportionately, the paths tend to scale res...
How does LMAX's disruptor pattern work?
I am trying to understand the disruptor pattern . I have watched the InfoQ video and tried to read their paper. I understand there is a ring buffer involved, that it is initialized as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
...
MySQL, update multiple tables with one query
...= t2.c
WHERE t1.a = 'blah';
To see what this is going to update, you can convert this into a select statement, e.g.:
SELECT t2.t1_id, t2.t3_id, t1.a, t2.b, t2.c AS t2_c, t3.c AS t3_c
FROM t1
INNER JOIN t2 ON t2.t1_id = t1.id
INNER JOIN t3 ON t2.t3_id = t3.id
WHERE t1.a = 'blah';
An example usin...
Is ServiceLocator an anti-pattern?
...Service Locator in order to get instances of those services that HAVE been converted to use DI.
So when refactoring large legacy applications to start to use DI concepts I would say that not only is Service Locator NOT an anti-pattern, but that it is the only way to gradually apply DI concepts to t...
Append values to query string
...h can cause issues with internationalization as special characters will be converted to their unicode equivalents in the query.ToString() method.
– tezromania
Nov 11 '14 at 17:05
...
Turn a number into star rating display using jQuery and CSS
...ges;
Mostly static css;
Nearly no jQuery or Javascript;
You only need to convert the number to a class, e.g. class='stars-score-50'.
First a demo of "rendered" markup:
body { font-size: 18px; }
.stars-container {
position: relative;
display: inline-block;
color: transparent;
}
...
How do you keep user.config settings across different assembly versions in .net?
...than -the latest version's default / -same value). You can have code that converts each applicable version needing conversion to the next lowest version that requires it and daisy chain the code together thereby: a) reducing complexity of the latest version's conversion code and b) allowing for pot...