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How to suppress Java warnings for specific directories or files such as generated code
...ress particular warnings in particular elements, but any annotations I add by hand will be lost when the parser generator runs again. Is there a way to configure Eclipse to suppress warnings for a particular file or directory?
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How do I compare two strings in Perl?
...ments. ...
lt, le, ge, gt and cmp use the collation (sort) order specified by the current locale if a legacy use locale (but not use locale ':not_characters') is in effect. See perllocale. Do not mix these with Unicode, only with legacy binary encodings. The standard Unicode::Collate and Unicode::Co...
How do I set the offset for ScrollSpy in Bootstrap?
...eventDefault();
$($(this).attr('href'))[0].scrollIntoView();
scrollBy(0, -offset);
});
I found it here: https://github.com/twitter/bootstrap/issues/3316
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Can you make just part of a regex case-insensitive?
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Perl lets you make part of your regular expression case-insensitive by using the (?i:) pattern modifier.
Modern regex flavors allow you to apply modifiers to only part of the regular expression. If you insert the modifier (?ism) in the middle of the regex, the modifier only applies to the pa...
Check Whether a User Exists
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You can also check user by id command.
id -u name gives you the id of that user.
if the user doesn't exist, you got command return value ($?)1
And as other answers pointed out: if all you want is just to check if the user exists, use if with id dire...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...e)
Point is, any blacklist you do (and too-permissive whitelists) can be bypassed. The last link to my paper shows situations where even quote escaping can be bypassed.
Even if these situations do not apply to you, it's still a bad idea. Moreover, unless your app is trivially small, you're going...
Do copyright dates need to be updated? [closed]
...tially revised you may establish a new copyright claim to the revised work by adding another copyright notice with a newer date or by adding an additional date to the existing notice as in "© 2000, 2010". Again, the added date establishes how far back the claim is made on the revision.
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What's HTML character code 8203?
...e, the entity is entirely superfluous in this context. It must be inserted by some accident, most likely by a buggy editor trying to do smart things with whitespace or highlighting, or an enduser using a keyboard language wherein this character is natively been used, such as Arabic.
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Handling a colon in an element ID in a CSS selector [duplicate]
...ession and my answer for more information.
– Mathias Bynens
Jul 6 '11 at 5:32
2
I just encountere...
differentiate null=True, blank=True in django
...ut will never be set as NULL
CHAR and TEXT types are never saved as NULL by Django, so null=True is unnecessary. However, you can manually set one of these fields to None to force set it as NULL. If you have a scenario where that might be necessary, you should still include null=True.
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