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warning: The iOS Simulator deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 8.0, but the range of supported deployment target versions is 9.0 to 14.3.99. (in target 'gRPC-C++-gRPCCertificates-Cpp' from project 'Pods') code example bash check if task is running code example bootstrap 3 cards in a row code example express body parser nodejs code example python get list from input code example learning strings and chars in c++ code example intro to react code example typeerror cannot read property 'value' of undefined react code example how to trim form input fields vue code example indexof c# int code example if else inline swift code example What to use class or function in js code example