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How to check if a file exists in the Documents directory in Swift?
...ite")
Now check if the file exists with checkResourceIsReachableAndReturnError of NSURL.
let fileExists = databaseURL.checkResourceIsReachableAndReturnError(nil)
If you need the error pass the NSError pointer to the parameter.
var error : NSError?
let fileExists = databaseURL.checkResourceIsR...
Config Error: This configuration section cannot be used at this path
I've encountered an error deploying a site to a server. When trying to load the home page, or access authentication on the new site in IIS, I get the error:
...
About catching ANY exception
... = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except IOError as (errno, strerror):
print "I/O error({0}): {1}".format(errno, strerror)
except ValueError:
print "Could not convert data to an integer."
except:
print "Unexpected error:", sys.exc_info()[0]
raise
...
Loader lock error
... I'm with you @Kohan I have also opened an older project and got the error. I have disabled the exception but would like to understand what can be done to prevent this.
– Pimenta
Feb 14 '13 at 17:44
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What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
When I try to use a print statement in Python, it gives me this error:
8 Answers
8
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Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
...
Late to the party, but the accepted answer doesn't explain why no error is displayed. And as this is something Postgres newcomers often stumble upon, I wanted to add that.
TL/TR: always end your SQL statements with ;
Because the createdb database did not end with ; psql thinks the sta...
Error inflating when extending a class
...
Thanks a lot! The error message is quite unspecific, which had me stumped for a moment, they should have included the reason (missing constructor overload) in their error message.
– AgentKnopf
Jun 7 '12 a...
How do I remove/delete a folder that is not empty?
I am getting an 'access is denied' error when I attempt to delete a folder that is not empty. I used the following command in my attempt: os.remove("/folder_name") .
...
How do I return the response from an asynchronous call?
... and either result in the value the promise was resolved with or throws an error if the promise was rejected.
Important: You can only use await inside an async function. Right now, top-level await isn't yet supported, so you might have to make an async IIFE (Immediately Invoked Function Expression) ...
MySQL/Amazon RDS error: “you do not have SUPER privileges…”
...rust_function_creators to 1 in AWS console, to load your dump file without errors.
If you want to ignore these errors, and load the rest of the dump file, you can use the -f option:
mysql -f my_database -u my_username -p -h
my_new_database.xxxxxxxxx.us-east-1.rds.amazonaws.com < my_database.s...