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Bootstrap (formerly Twitter Bootstrap) is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains HTML , CSS and (optionally) JavaScript -based design templates for typography , forms , buttons , navigation , and other interface components.
An alert box in the Windows application 7-Zip. An alert dialog box is a special dialog box that is displayed in a graphical user interface when something unexpected occurred that requires immediate user action. The typical alert dialog provides information in a separate box to the user, after which the user can only respond in one way: by ...
The first system was the Emergency Broadcast System, an emergency warning system in the United States, used from 1963 to 1997, when it was replaced by the Emergency Alert System. On April 9, 2008, the FCC approved an emergency alert text-messaging system so that cellular telephone users can get text message alerts in case of emergencies. [3]
A watch or warning bearing the phrase is referred to as a PDS watch or PDS warning as shorthand jargon. It was first used by the Storm Prediction Center (SPC), a national guidance center of the National Weather Service , for tornado watches and eventually expanded to use for other severe weather watches and warnings by the agency's regional ...
The UK government has used the emergency alert system to warn people about incoming Storm Darragh. A rare red weather warning has been issued with extremely strong and damaging winds possible this ...
The Common Alerting Protocol (CAP) is an XML-based data format for exchanging public warnings and emergencies between alerting technologies. CAP allows a warning message to be consistently disseminated simultaneously over many warning systems to many applications, such as Google Public Alerts and Cell Broadcast. CAP increases warning ...
Different types of alerts from the National Weather Service — from advisories to watches and warnings — mean different things and call for different actions from the public to keep safe.
A civil emergency message (SAME code: CEM) is a warning issued through the Emergency Alert System (EAS) in the United States to warn the public of a significant in-progress or imminent threat or danger to public safety.