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getopts optstring name [args] ParameterDetailoptstringThe option characters to be recognizednameThen name where parsed option is stored Options optstring : The option characters to be recognized If a character is followed by a colon, the option is expected to have an argument, whi...

stopWatch.Start() - Starts Stopwatch. stopWatch.Stop() - Stops Stopwatch. stopWatch.Elapsed - Gets the total elapsed time measured by the current interval. Stopwatches are often used in benchmarking programs to time code and see how optimal different segments of code take to run.

ParameterType / Required / Default DescriptionchannelString / Yes Specifies channel to return history messages from.reverseBoolean / No / false Setting to true will traverse the time line in reverse starting with the oldest message first. Default is false. If both start and end arguments are provid...

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...

The tooltip is a user interface element that looks like a small pop-up box. It is usually triggered when a user hovers their pointer over an other element, without clicking it. For performance reasons, tooltips must be initialized with jQuery. The following code will enable all tooltips in the D...

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

git clone github.com/username/repository

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:...

$this->load->library('library_name'); $this->library_name->function_name(); $this->load->library('cart'); # for helper $this->load->helper('helperName'); $this->cart->insert($Array);

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...