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Why do I need to override the equals and hashCode methods in Java?
...
*/
}
Now create a class, insert Employee object into a HashSet and test whether that object is present or not.
public class ClientTest {
public static void main(String[] args) {
Employee employee = new Employee("rajeev", 24);
Employee employee1 = new Employee("rajeev", 2...
What is Dependency Injection and Inversion of Control in Spring Framework?
...ed i.e., each class is independent of each other so that everything can be tested individually. But when using those classes, a class may be dependent on other classes which need to be instantiated first.
So, we tell spring that class A is dependent on class B. So, when creating bean(like class) f...
How to check if an object is an array?
...'[object Array]' ) {
alert( 'Array!' );
}
Or you could use typeof to test if it is a String:
if( typeof someVar === 'string' ) {
someVar = [ someVar ];
}
Or if you're not concerned about performance, you could just do a concat to a new empty Array.
someVar = [].concat( someVar );
The...
What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
...ger problem on my hands. This throws a Reference Error too: <% alert('test'); %>
– Aashay Desai
Mar 21 '11 at 0:34
...
Flexbox Not Centering Vertically in IE
...with flex-direction: column in a container that is also flexboxed.
I just tested this in IE11 and it works. An odd fix, but until Microsoft makes their internal bug fix external...it'll have to do!
HTML:
<div class="FlexContainerWrapper">
<div class="FlexContainer">
<di...
Verify if a point is Land or Water in Google Maps
...
This what I use and it is working not too bad... you can improve the test if you have more cpu to waste by adding pixels.
function isItWatter($lat,$lng) {
$GMAPStaticUrl = "https://maps.googleapis.com/maps/api/staticmap?center=".$lat.",".$lng."&size=40x40&maptype=roadmap&sens...
Maven2: Best practice for Enterprise Project (EAR file)
... |-- beans.xml
| | `-- persistence.xml
| `-- test
| |-- java
| | `-- com
| | `-- foo
| | `-- test
| | `-- MemberRegistrationTest.java
| `-- resources
|-- Foo-web
| |-- pom.xml
...
python: How do I know what type of exception occurred?
... interpreter prints exception:
Traceback (most recent call last):
File "test.py", line 9, in <module>
calculate()
File "test.py", line 6, in calculate
raise CustomException("hi")
__main__.CustomException: hi
After raise original exception continues to propagate further up the ca...
How to use single storyboard uiviewcontroller for multiple subclass
...class.
I should preface the answer with the proviso that, although I have tested it in various scenarios and received no errors, I can't ensure that it will cope with more complex set ups (but I see no reason why it shouldn't work). Also, I have not submitted any apps using this method, so there i...
How to set the java.library.path from Eclipse
... under any path of you get
import java.util.logging.Logger;
public class Test {
static Logger logger = Logger.getLogger(Test.class.getName());
public static void main(String[] args) {
logger.info(System.getProperty("java.library.path"));
}
}
...