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Flutter Make Textfield input become uppercase

Is any update for this question Flutter TextField value always uppercase & debounce ? I've already tried some of the code to make the input text become uppercase. class UpperCaseTextFormatter extends TextInputFormatter { @override TextEditingValue formatEditUpdate(TextEditingValue oldValue, TextEditingValue newValue) {…

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Upper before Concat in Postgresql

Assuming there is a table called cities with columns name and country, why doesn't this query work? select concat(upper(name, ', ', country)) as location FROM cities; But the one below does? select upper(concat(name, ', ', country)) as location FROM cities;…

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