Class ‘App\Http\Controllers\admin\Auth’ not found in Laravel 5

Because your controller is namespaced unless you specifically import the Auth namespace, PHP will assume it’s under the namespace of the class, giving this error. To fix this, add use Auth; at the top of AdminHomeController file along with your other use statements or alternatively prefix all instances of Auth with backslash like this: \Auth … Read more

what does Error “Thread 1:EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)” mean?

This line secondNumber = Screen.text!.toInt()! means: Get the Screen object, get the text property and please crash if it doesn’t exist, then get the text converted to an integer, and please crash if it doesn’t exist. That’s what the ! means: “I am sure this thing exists, so please crash if it doesn’t”. And crash … Read more

ValueError: math domain error

Your code is doing a log of a number that is less than or equal to zero. That’s mathematically undefined, so Python’s log function raises an exception. Here’s an example: >>> from math import log >>> log(-1) Traceback (most recent call last): File “<pyshell#59>”, line 1, in <module> log(-1) ValueError: math domain error Without knowing … Read more

Modifying a char *const string

t is pointing to a string literal it is undefined behavior to modify a string literal. The C++ draft standard section 2.14.5 String literals paragraph 12 says(emphasis mine): Whether all string literals are distinct (that is, are stored in nonoverlapping objects) is implementation defined. The effect of attempting to modify a string literal is undefined. … Read more

“RuntimeError: generator raised StopIteration” every time I try to run app

To judge from the file paths, it looks like you’re running Python 3.7. If so, you’re getting caught by new-in-3.7 behavior: PEP 479 is enabled for all code in Python 3.7, meaning that StopIteration exceptions raised directly or indirectly in coroutines and generators are transformed into RuntimeError exceptions. (Contributed by Yury Selivanov in bpo-32670.) Before … Read more