Golang does not allow pointer-arithmetic (arrays do not decay to pointers) and insecure casting. All downcasts will be checked using the runtime-type of the variable and either panic or return …

Oct 16, 2012 · @StephenWeinberg: Yes, my "nothing really" answer to the "what's the difference" quote is answering the question that was asked about the difference between the slice …

Sep 3, 2014 · How can I print a number or make a string with zero padding to make it fixed width? For instance, if I have the number 12 and I want to make it 000012.

I want to check if two structs, slices and maps are equal. But I'm running into problems with the following code. See my comments at the relevant lines. package main import ( "fmt" "refl...

this is not a "bad certificate" it's a certificate with a different CN. InsecureSkipVerify is not a legitimate use here. You must set ServerName in the tls.Config to match what you are trying to …

I think not having optional parameters is a good decision. I've seen optional parameters abused pretty severely in C++ -- 40+ arguments. It's very error-prone to count through the arguments …

Jun 13, 2018 · You have a pointer variable which after declaration will be nil. If you want to set the pointed value, it must point to something. Attempting to dereference a nil pointer is a runtime …

Feb 10, 2022 · Is there a way to specify default value in Go's function? I am trying to find this in the documentation but I can't find anything that specifies that this is even possible. func …

Apr 18, 2020 · As of Go 1.13 (or earlier if you use golang.org/x/xerrors), you can use the %w verb, only for error values, which wraps the error such that it can later be unwrapped with …

Ternary ? operator alternatives | golang if else one line You can’t write a short one-line conditional in Go language ; there is no ternary conditional operator.