4 ms·
101 would be a relatively safe number to use as a placeholder. Since these people aren't programmers, trying to use NULL or NaN or -1 will probably backfire.
by kijin 8y ago
101 would be a relatively safe number to use as a placeholder. Since these people aren't programmers, trying to use NULL or NaN or -1 will probably backfire.
- sethammons 8y agoSentry values are a nope. Have the assignment have a is_published check box / flag. An option to select all as published and the ability to toggle/select individual's assignments as published.
- hnuser355 8y agoNo, there could be extra credit