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How do you get a Golang program to print the line number of the error it just called?
I was trying to throw errors in my Golang program with log.Fatal but, log.Fatal does not also print the line where the log.Fatal was ran. Is there no way of getting access to the line number that called log.Fatal? i.e. is there a way to get the line number when throwing an error?
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How to detect total available/free disk space on the iPhone/iPad device?
...pace {
uint64_t totalSpace = 0;
uint64_t totalFreeSpace = 0;
NSError *error = nil;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths...
SQL error “ORA-01722: invalid number”
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An ORA-01722 error occurs when an attempt is made to convert a character string into a number, and the string cannot be converted into a number.
Without seeing your table definition, it looks like you're trying to convert the numeric seq...
Is it safe to resolve a promise multiple times?
...eed a promise can be only resolved once, another tries will do nothing (no error, no warning, no then invocation).
I decided to work it around like this:
getUsers(users => showThem(users));
getUsers(callback){
callback(getCachedUsers())
api.getUsers().then(users => callback(users))
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Getting an “ambiguous redirect” error
...n be pretty obtuse sometimes.
The following commands all return different error messages for basically the same error:
$ echo hello >
bash: syntax error near unexpected token `newline`
$ echo hello > ${NONEXISTENT}
bash: ${NONEXISTENT}: ambiguous redirect
$ echo hello > "${NONEXISTENT}"...
How to find NSDocumentDirectory in Swift?
...it expects the type NSSearchPathDirectory instead. Certainly not a helpful error message.
But as to the reasons:
First, you are confusing the argument names and types. Take a look at the function definition:
func NSSearchPathForDirectoriesInDomains(
directory: NSSearchPathDirectory,
domai...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
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Edit: it seems nginx now supports error_log stderr; as mentioned in Anon's answer.
You can send the logs to /dev/stdout. In nginx.conf:
daemon off;
error_log /dev/stdout info;
http {
access_log /dev/stdout;
...
}
edit: May need to run ln -sf /proc/se...
mongorestore error: Don't know what to do with the dump file [closed]
...owing path c:\hw1-1\dump (This contains the BSON files) I'm getting this error:
7 Answers
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Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent
... software written in Java and tried to compile it using Eclipse.
I got the error: " The hierarchy of the type 'Class name' is inconsistent " in some files.
What causes these errors and how do I fix them?
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Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
... we try to run out ASP.NET Web Application on IIS 7.5 we get the following error...
23 Answers
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