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How to test that no exception is thrown?
...
Java 8 makes this a lot easier, and Kotlin/Scala doubly so.
We can write a little utility class
class MyAssertions{
public static void assertDoesNotThrow(FailingRunnable action){
try{
action.run()
}
catc...
Get JSF managed bean by name in any Servlet related class
...even though the static utility method findBean() is defined inside a plain Java class. How is it available there in a plain Java class which is not managed by JSF?
– Tiny
Jul 10 '15 at 1:07
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WebService Client Generation Error with JDK8
...
Well, I found the solution. (based on http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA)
Create a file named jaxp.properties (if it doesn't exist) under /path/to/jdk1.8.0/jre/lib and then write this line in it:
javax.xml.accessExternalSchema ...
Export/import jobs in Jenkins
...ML file.
get-job: Dumps the job definition XML to stdout
So you can do
java -jar jenkins-cli.jar -s http://server get-job myjob > myjob.xml
java -jar jenkins-cli.jar -s http://server create-job newmyjob < myjob.xml
It works fine for me and I am used to store in inside my version control ...
Can inner classes access private variables?
...ner can access the member variable var of an object of type Outer.
Unlike Java though, there is no correlation between an object of type Outer::Inner and an object of the parent class. You have to make the parent child relationship manually.
#include <string>
#include <iostream>
class...
How do getters and setters work?
...
In Java getters and setters are completely ordinary functions. The only thing that makes them getters or setters is convention. A getter for foo is called getFoo and the setter is called setFoo. In the case of a boolean, the get...
Why do we usually use || over |? What is the difference?
...nd && forms, rather than the | and & forms of these operators, Java will not bother to evaluate the right-hand operand alone.
It's a matter of if you want to short-circuit the evaluation or not -- most of the time you want to.
A good way to illustrate the benefits of short-circuiting w...
Eclipse syntax highlighting preferences save and restore
...spend some time customizing the colors for syntax highlighting in Eclipse (Java, JSP, HTML, CSS, etc.) but whenever I try to export these settings via File|Export|General|Preferences and reimport them, the settings never completely get imported back. Some colors are restored and others are left unch...
What is the difference between JAX-RS and JAX-WS?
...n you use.
Can JAX-RS access a web service that is not running on the Java platform, and vice versa?
2) I can't think of any reason it wouldn't be able to.
What does it mean by "REST is particularly useful for limited-profile devices, such as PDAs and mobile phones"?
3) REST based archi...
Running Windows batch file commands asynchronously
...o.exe.
For a trivial example, if you wanted to print out the versions of java/groovy/grails/gradle, you could do this in a batch file:
@start /b cmd /c java -version
@start /b cmd /c gradle -version
@start /b cmd /c groovy -version
@start /b cmd /c grails -version
If you have something like Pr...