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Microsoft Excel isn't a database, please stop using it like one

Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...
rdnewsnow

NAV Canada says ‘resource constraints’ caused flight delays Saturday at Pearson

TORONTO — Canada’s air navigation service provider says flights were delayed Saturday at Toronto’s Pearson International Airport due to what it called “resource constraints.” A tweet from NAV Canada ...
IEEE

GDC-WED: A Novel Method for Featureless Point Cloud Registration Using Geometry Distance Constraints and Weighted Enhanced Distance

Abstract: In featureless point clouds, such as cylinder-ruled surfaces or shapes with lots of flattened areas, we observe that some classic iterative closest point variants, including point-to-point, ...
IEEE

Tightly Coupled BDS/INS Integration With Track Constraint to Enhance Train Localization and Integrity

Abstract: In railway transportation, accurate train localization and effective integrity monitoring are crucial for train control and safety. The integration of Chinese BeiDou Navigation Satellite ...