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Double not (!!) operator in PHP
...e first '!' does 2 things: 'convert' the value to boolean, then output its opposite. So it will give true if the value is a 'falsy' one.
The second '!' is just to output the opposite of the first.
So, basically, the input value can be anything, maybe a string, but you want a boolean output, so use...
Get the subdomain from a URL
...ord. And that the algorithm will be fooled by wildcard records. And on the opposite side you have TLDs that have MX records (like .ai or .ax to just name a few).
– Patrick Mevzek
Apr 5 '19 at 18:58
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Single huge .css file vs. multiple smaller specific .css files? [closed]
...ill be far greater than fewer http requests..." No, no, no... exactly the opposite. With a high speed connection, the time taken handling HTTP requests is the bottleneck. Most browsers by default only download two files at a time, so the browsers would do 2 requests, wait, download the css files qu...
Convert from MySQL datetime to another format with PHP
...into mm/dd/yy H:M (AM/PM) as OP requested. Just because you want to do the opposite does not make accepted answer wrong.
– toxalot
Mar 13 '14 at 2:22
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New self vs. new static
... In my head, I just take whatever is intuitive, and make it opposite. You would think based on the naming, self would return itself, and static would return something that cannot be overridden... But lo and behold it's the opposite. I never cease to be impressed by PHP's naming, conve...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...earlier than document in iframe is listening to messages; which is exactly opposite from what chrome and firefox do - have you tested your code in safari on ios? btw postMessage with second parameter of value "*" is not quite safe, you should always specify domain
– sKopheK
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Why do Java webapps use .do extension? Where did it come from?
...ood idea.
Well indeed this is security by obfuscation, but this isn't the opposite of good security. Layering security by obscurity on top of an already secure system might help. There are interesting pros and cons of security by obfuscation and when they can be both used in the internet.
...
What is the opposite of evt.preventDefault();
...
As per commented by @Prescott, the opposite of:
evt.preventDefault();
Could be:
Essentially equating to 'do default', since we're no longer preventing it.
Otherwise I'm inclined to point you to the answers provided by another comments and answers:
How ...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
... PHP using $_SERVER["REQUEST_URI"]. So conceptionally it's pretty much the opposite of URL handling "per mod_rewrite". (Just use FallBackResource instead.)
Remove www. from hostname
Note that this doesn't copy a query string along, etc.
# ┌────────...
isset() and empty() - what to use
...warning is also important with empty()
PHP Manual says
empty() is the opposite of (boolean) var, except that no warning is
generated when the variable is not set.
Regarding isset
PHP Manual says
isset() will return FALSE if testing a variable that has been set to NULL
Your code wou...