mysql - PHP : How to get Sum of values in column in a variable -
i'm trying sum of salary column table. need echo total salary. tried,
select sum(salarycol) my_table;
how can query result variable in php?
select sum(salarycol) total_salary my_table; ios - Pass NSDictionary from Javascript to Objective-c in JavascriptCore -
i'm using javascriptcore in app. now, i'm passing variables jscontext can passed objective-c. however, 1 of variables, nsdictionary, not passing through correctly. run code below: var evaluate = function(variables) { app.setdictionary(variables.dictionary); } this simple example has these following methods set in jscontext . this setdictionary() method: - (void)setdicationary:(nsdictionary *)dictionary { self.mutabledictionary = [dictionary mutablecopy]; } this variables.dictionary : - (nsdictionary *)dictionary { return self.values; } and how call evaluate() : jsvalue *jsfunction = self.context[@"evaluate"]; jsvalue *value = [jsfunction callwitharguments:@[self.variables]]; however, in setdictionary method, don't nsdictionary, instead nsstring containing [object object] . any ideas how can solve this? although javascriptcore automatically converts types between objective-c or swift , javascript, suggest implement ex...
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