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Any reason to prefer getClass() over instanceof when generating .equals()?
...an treat objects of different type as non-equal by means of the getClass() test. The examples above illustrated nicely that implementations of equals() using getClass() are generally more robust than those implementations using instanceof .
The instanceof test is correct only for final classes or if...
Compare two Byte Arrays? (Java)
...ut I was unable to find a low level efficient function to perform equality test ranges. I had to whip up my own, if anyone needs it:
public static boolean ArraysAreEquals(
byte[] first,
int firstOffset,
int firstLength,
byte[] second,
int secondOffset,
int secondLength
) {
if( firstLength...
How can I repeat a character in Bash?
...s.
The entries are:
listed in ascending order of execution duration (fastest first)
prefixed with:
M ... a potentially multi-character solution
S ... a single-character-only solution
P ... a POSIX-compliant solution
followed by a brief description of the solution
suffixed with the name of the ...
Install dependencies globally and locally using package.json
...bably want to do is just put those types of command dependencies for build/test etc. in the devDependencies section of your package.json. Anytime you use something from scripts in package.json your devDependencies commands (in node_modules/.bin) act as if they are in your path.
For example:
npm i -...
Unix - create path of folders and file
...
@BЈовић Yes. (I do try to test things before I post them.)
– Jonathon Reinhart
Oct 10 '13 at 7:28
...
Why doesn't Java allow to throw a checked exception from static initialization block?
...ver from it.
In most cases, the exception cannot be caught:
public class Test {
static {
int i = 1;
if (i == 1) {
throw new RuntimeException("Bang!");
}
}
public static void main(String[] args) {
try {
// stuff
} catch (T...
MySQL: What's the difference between float and double?
...
Perhaps this example could explain.
CREATE TABLE `test`(`fla` FLOAT,`flb` FLOAT,`dba` DOUBLE(10,2),`dbb` DOUBLE(10,2));
We have a table like this:
+-------+-------------+
| Field | Type |
+-------+-------------+
| fla | float |
| flb | float |
| dba ...
Spring AOP vs AspectJ
...in conjunction with the aspectj-maven-plugin then you are able to run unit tests against your aspects in a CI environment and have confidence that built artifacts are tested and correctly woven. While you can certainly write Spring driven unit tests, you still have no guarantee that the deployed cod...
How to create a private class method?
...thermore, the method is operating
# solely upon 'reference' and 'under_test' and will be flagged as having
# low cohesion by quality metrics unless made a class method.
def self.compare(reference, under_test)
# special floating point comparison
(reference - under_test).ab...
How do I check if the mouse is over an element in jQuery?
...You can also use this answer : https://stackoverflow.com/a/6035278/8843 to test if the mouse is hover an element :
$('#test').click(function() {
if ($('#hello').is(':hover')) {
alert('hello');
}
});
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