I am validating some data using PERL. My output will be an excel spreadsheet, so while validating the data I want to highlight the cells that have invalid values. My question is how do I highlight the cell ?
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Displaying an arrayList in a listView using the default adapter is rarely the best solution. To get full control of your display data, and to be able to refresh it after editing, requires the use of a custom adapter.
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern:
Viewers will learn how to properly install Eclipse with the necessary JDK, and will take a look at an introductory Java program.
Download Eclipse installation zip file:
Extract files from zip file:
Download and install JDK 8:
Open Eclipse and …