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What is the effect of extern “C” in C++?
...
@Anne, no, I think you've been affected by some other error in the source, because what you are describing is wrong. No version of g++ got this wrong, for any target, at any time in the last 17 years at least. The whole point of the first example is that it doesn't matter whethe...
Test whether string is a valid integer
...q "$1" ] 2>/dev/null
then
echo "$1 is an integer !!"
else
echo "ERROR: first parameter must be an integer."
echo $USAGE
exit 1
fi
This approach also accounts for negative numbers, which some of the other solutions will have a faulty negative result, and it will allow a prefix of...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
This error occurred while loading the following files:
14 Answers
14
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Safely turning a JSON string into an object
...SON.parse, the program MAY continue "successfully" but you'll still see an error thrown in the console with the dreaded "Error: unexpected token 'x'".
var data;
try {
data = JSON.parse(jqxhr.responseText);
} catch (_error) {}
data || (data = {
message: 'Server error, please retry'
});
...
How do I daemonize an arbitrary script in unix?
...our session. The only minor problem with this is standard out and standard error both get sent to ./nohup.out, so if you start several scripts in this manor their output will be intertwined. A better command would be:
nohup yourScript.sh script args >script.out 2>script.error&
This will...
form serialize javascript (no framework)
...ee, googlecode does not work without javascript. It simply spits That's an error
– user1040495
Apr 17 '17 at 14:35
3
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How does the “final” keyword in Java work? (I can still modify an object.)
... of the class. Again, if the variable is static then it is a compilation error.
18 Answers
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
...d.Sleep(1000);
}
setTextboxText(result);
}
More info about this error can be found on MSDN.
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How to make an AJAX call without jQuery?
... else if (xmlhttp.status == 400) {
alert('There was an error 400');
}
else {
alert('something else other than 200 was returned');
}
}
};
xmlhttp.open("GET", "ajax_info.txt", true);
xmlhttp.send();
}
</script&...
Java Array Sort descending?
...verse Comparator defined by Collections.reverseOrder() , it will throw the error
no suitable method found for sort(int[],comparator)
That will work fine with 'Array of Objects' such as Integer array but will not work with a primitive array such as int array.
The only way to sort a primitive ...