Arrow function expressions Arrow function don’t have their own bindings to this, arguments, or super, and sould not be used as methods. Arrow function cannot be used as constructors. Calling...

Void element A void element is an element in HMTL that cannot have any child nodes (i.e., nested elements or text nodes.) Void elements only have a start tag; end tags must not be specified for...

Although according to Maven Releases History, the minimum Maven version is 3.2.5 for Jdk6. But maven-compiler-plugin won’t support 3.0 or above.

In NetBeans8, the default compiler-plugin is 2.0.2, Which is too old to let lombok to enable Annoation Process. The minimun version to allow Annoation Process is 2.5.1. <plugin> <group...

The height of outside container won’t work, the only solution is to specify the height of the labe which is in the same row. {xtype: 'container', layout: 'vbox', margin: '5 0 5 0', height: 120, i...

ExtJS 4.2: ToolTips not wide enough to see contents .x-tip { width: auto !important; } .x-tip-body { width: auto !important; } .x-tip-body span { width: auto !important; }

Intro to JaCoCo In NetBeans16, we could just include following plugin to get code coverage. Right click on the project, the menu would show function: code coverage. <plugin> <groupId...

mockito mock void method mockito mock member setter java.lang.IllegalStateException: This was not supposed to happend at org.mockito.internal.util.reflection.GenericMetadataSupport$GenericArrayRe...

e = (fr.opensagres.xdocreport.core.XDocReportException) fr.opensagres.xdocreport.core.XDocReportException: freemarker.core.InvalidReferenceException: The following has evaluated to null or missing:...

junit test mock variable inside method https://stackoverflow.com/questions/23236338/using-mockito-to-mock-a-local-variable-of-a-method 雖然最底下的回答沒有被接受, 但是他不是把 local variable 變成 instance variable, 而是把...