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What does set -e mean in a bash script?
...ended to use:
trap 'do_something' ERR
to run do_something function when errors occur.
See http://mywiki.wooledge.org/BashFAQ/105
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Read error response body in Java
....HTTP_BAD_REQUEST) {
_is = httpConn.getInputStream();
} else {
/* error from server */
_is = httpConn.getErrorStream();
}
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Why shouldn't I use mysql_* functions in PHP?
...pared statements is particularly important as they provide a clearer, less error-prone method of escaping and quoting external data than manually escaping it with a separate function call.
See the comparison of SQL extensions.
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What is the purpose of Rank2Types?
... typecheck (although some functions that go into infinite loops or produce errors and therefore never return will do so).
The above is contrived, of course, but a variation on this technique is key to making the ST monad safe.
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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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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...
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...