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Scala: Abstract types vs generics
...o notions of abstraction:
parameterization and
abstract members.
In Java you also have both, but it depends on what you are abstracting over.
In Java you have abstract methods, but you can't pass a method as a parameter.
You don't have abstract fields, but you can pass a value as a parameter....
How to mark a build unstable in Jenkins when running shell scripts
...scripts, then you can use the following command to mark a build unstable:
java -jar jenkins-cli.jar set-build-result unstable
To mark build unstable on error, you can use:
failing_cmd cmd_args || java -jar jenkins-cli.jar set-build-result unstable
The problem is that jenkins-cli.jar has to be ...
SQlite Getting nearest locations (with latitude and longitude)
...pproximation and decrease amount of data that you need to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calculate 4 locations that are in radius meter of the north, west, east and south o...
javax.validation.ValidationException: HV000183: Unable to load 'javax.el.ExpressionFactory'
...g to pom.xml following dependencies:
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>2.2.4</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactI...
How to return a value from __init__ in Python?
...s new implicit in Python? I assumed Python's semantics were different from Java and the other languages that do use this word.
– cs95
Jul 20 '16 at 6:06
1
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Bold words in a string of strings.xml in Android
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@andygeers getText from Java file. How to do it If we are using it in layout xml?
– Moinkhan
Apr 25 '19 at 11:21
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How can I install Apache Ant on Mac OS X?
...
Yep, since Java was removed in 10.9 this seems like the way to go.
– sehugg
Nov 9 '13 at 16:27
add a comment
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Why does “split” on an empty string return a non-empty array?
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The Java and Scala split methods operate in two steps like this:
First, split the string by delimiter. The natural consequence is that if the string does not contain the delimiter, a singleton array containing just the input st...
Is MVC a Design Pattern or Architectural pattern
... and the server define the controller and the model. Exemple JSP ( view ), JavaBeans ( Model ), Servlet ( controller ). Same concept with all the famous php framework ( symphony, zend, cake etc. ). But nowaday frontend frameworks looks like back end application and modern javascript frameworks use m...
Optimising Android application before release [closed]
...l data whenever possible to speed up download and parsing
recycle complex java objects such as XmlPullParserFactory/BitmapFactory/StringBuilder/Matcher etc.
For more battery tricks see Coding for Life - Battery Life, That Is.
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