30秒学会 Dart 片段 – groupBy
Groups the elements of a list based on the given function. Use Iterable.map() to map each element to...
Groups the elements of a list based on the given function. Use Iterable.map() to map each element to...
Randomizes the order of the values of an IList, updating the original IList object. Use the Fisher-Y...
Initializes an array containing the numbers in the specified range where start and end are inclusive...
Merges two or more dictionaries. Create a new dict() and loop over dicts, using dictionary.update() ...
Returns the transpose of a two-dimensional list. Use *lst to get the passed list as tuples. Use zip(...
Executes a provided function once for each array element, starting from the array’s last eleme...
Returns true if the string is y/yes or false if the string is n/no. Use RegExp.test() to check if th...
Returns the maximum of a collection, after mapping each element to a value using the provided functi...
Converts a string to camelcase. Use re.sub() to replace any – or _ with a space, using the regexp r”...
Results in a string representation of tomorrow’s date. Use new Date() to get the current date,...