if-not condition fails (jQuery)

You need to check the number of elements found, as jQuery returns an empty collection in the event of no elements being found (which evaluates to a truthy value in the if statement): I’d suggest testing against 0 explicitly, rather than relying on a falsey value, though:

If statement for strings in python?

Even once you fixed the mis-cased if and improper indentation in your code, it wouldn’t work as you probably expected. To check a string against a set of strings, use in. Here’s how you’d do it (and note that if is all lowercase and that the code within the if block is indented one level). One approach: Another:

Can you use if/else conditions in CSS?

Not in the traditional sense, but you can use classes for this, if you have access to the HTML. Consider this: and in your CSS file: That’s the CSS way to do it. Then there are CSS preprocessors like Sass. You can use conditionals there, which’d look like this: Disadvantages are, that you’re bound to pre-process your stylesheets, and that … Read more

Difference between JA and JG in assembly

As Intel’s manual explains, JG interprets the flags as though the comparison was signed, and JA interprets the flags as though the comparison was unsigned (of course if the operation that set the flags was not a comparison or subtraction, that may not make sense). So yes, they’re different. To be precise, ja jumps if CF = 0 and ZF … Read more