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How to watch for array changes?
....com/vuejs/vue/blob/daed1e73557d57df244ad8d46c9afff7208c9a2d/src/core/util/lang.js
RaiseMyEvent();
return result; // Original push() implementation
}
});
Please see comments for my sources and for hints on how to implement the other mutating functions apart from push: 'pop', ...
What is InputStream & Output Stream? Why and when do we use them?
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From the Java Tutorial:
A stream is a sequence of data.
A program uses an input stream to read data from a source, one item at a time:
A program uses an output stream to write data to a destination, one item at time:
The d...
Java String remove all non numeric characters
Trying to remove all letters and characters that are not 0-9 and a period. I'm using Character.isDigit() but it also removes decimal, how can I also keep the decimal?
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What is a fat JAR? [duplicate]
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The different names are just ways of packaging java apps.
Skinny – Contains ONLY the bits you literally type into your code editor, and NOTHING else.
Thin – Contains all of the above PLUS the app’s direct dependencies of your app (db drivers, utility libraries, et...
Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful
We use Spring Boot/MVC with annotation-based java-config for series of RESTful services and we want to selectively enable HTTP GZIP stream compression on some API responses.
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Launching Spring application Address already in use
...maven-plugin. To change the port use --server.port parameter for example:
java -jar target/gs-serving-web-content-0.1.0.jar --server.port=8181
Update. Alternatively put server.port=8181 into application.properties (or application.yml).
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What is the ellipsis (…) for in this method signature?
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Those are Java varargs. They let you pass any number of objects of a specific type (in this case they are of type JID).
In your example, the following function calls would be valid:
MessageBuilder msgBuilder; //There should probably ...
Design by contract using assertions or exceptions? [closed]
... Your point is definitely valid. The SO didn't specify a particular language -- in the case of C# the standard assert is System.Diagnostics.Debug.Assert, which does only fail in a Debug build, and will be removed at compile time in a Release build.
– yoyo
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What are the reasons why Map.get(Object key) is not (fully) generic
... the decision to not have a fully generic get method
in the interface of java.util.Map<K, V> .
11 Answers
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Do I need elements in persistence.xml?
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The persistence.xml has a jar-file that you can use. From the Java EE 5 tutorial:
<persistence>
<persistence-unit name="OrderManagement">
<description>This unit manages orders and customers.
It does not rely on any vendor-specific features and...