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The classpath lists places where the Java runtime should look for classes and resources. The classpath is also used by the Java compiler to find previously compiled and external dependencies. Java class loading The JVM (Java Virtual Machine) will load classes as and when the classes are required ...

io:format(FormatString, Args) % write to standard output io:format(standard_error, FormatString, Args) % write to standard error io:format(F, FormatString, Args) % write to open file io_lib:format(FormatString, Args) % return an iolist

Declaration of identifier referring to object or function is often referred for short as simply a declaration of object or function.

ParseResult Cases A ParseResult comes in three flavors: Success, with a marker as to the start of the match and the next character to be matched. Failure, with a marker as to the start of where the match was attempted. In this case the parser backtracks to that position, where it will be when...

Front Matter tells Jekyll to parse the page. It can contain properties for the page.

GitHub Help: Configuring a remote for a fork GitHub Help: Syncing a fork popular ans in StackOverFlow

Operators are methods Most operators are actually just methods, so x + y is calling the + method of x with argument y, which would be written x.+(y). If you write a method of your own having semantic meaning of a given operator, you can implement your variant in the class. As a silly example:...

Aggregations are methods allowing the execution of operations on (individual and/or groups of) rows of objects derived from a Model.

A data.table is an enhanced version of the data.frame class from base R. As such, its class() attribute is the vector "data.table" "data.frame" and functions that work on a data.frame will also work with a data.table. There are many ways to create, load or coerce to a data.tabl...

@AnAnnotation def someMethod = {...} @AnAnnotation class someClass {...} @AnnotatioWithArgs(annotation_args) def someMethod = {...} ParameterDetails@Indicates that the token following is an annotation.SomeAnnotationThe name of the annotationconstructor_args(optional) The arguments passed t...

A reminder: DT[where, select|update|do, by] syntax is used to work with columns of a data.table. The "where" part is the i argument The "select|update|do" part is the j argument These two arguments are usually passed by position instead of by name.

The special symbol .SD is available in j of DT[i,j,by], capturing the Subset of Data for each by group surviving the filter, i. .SDcols is a helper. Type ?`special-symbols` for the official docs. A reminder: DT[where, select|update|do, by] syntax is used to work with columns of a data.table. T...