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Does Python have a ternary conditional operator?
...emembering the order, then remember that when read aloud, you (almost) say what you mean. For example, x = 4 if b > 8 else 9 is read aloud as x will be 4 if b is greater than 8 otherwise 9.
Official documentation:
Conditional expressions
Is there an equivalent of C’s ”?:” ternary operator?...
ETag vs Header Expires
...proxy) will make an HTTP request for that file from the server.
So really what you want to do is use BOTH headers - set the Expires header to a reasonable value based on how often the content changes. Then configure ETags to be sent so that when clients DO send a request to the server, it can more...
How do I delete specific lines in Notepad++?
...feature for replacing. You can use a regex that matches #region as well as whatever else is on the line, and replace it with empty space.
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How to select between brackets (or quotes or …) in Vim?
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Use whatever navigation key you want to get inside the parentheses, then you can use either yi( or yi) to copy everything within the matching parens. This also works with square brackets (e.g. yi]) and curly braces. In addition...
Why am I getting ibtool failed with exit code 255?
... 9.3. I'm developing with xamarin, so not using Xcode beyond the compiler. What solved this for me was to actually boot xcode and get prompted to "install required components". After that was complete, I could rebuild my project and did not see this error again.
– melwil
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Regular Expression to find a string included between two characters while EXCLUDING the delimiters
...a ] that is not captured (lookahead).
Alternatively you can just capture what's between the square brackets:
\[(.*?)\]
and return the first captured group instead of the entire match.
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nonlocal keyword in Python 2.x
...alue to and reference that function from the other one(s). Which looks somewhat strange and asymmetrical. E.g. in dec() a line like inc.value -= 1.
– BlackJack
Sep 14 '16 at 8:03
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How do I get a reference to the app delegate in Swift?
...naged object context. To resolve this, simply downcast to "AppDelegate" or what ever your UIApplication subclass happens to be called. In Swift 3, 4 & 5, this is done as follows:
let appDelegate = UIApplication.shared.delegate as! AppDelegate
let aVariable = appDelegate.someVariable
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...ke to see index.php in the URI. For example, http://www.example.com/faq/whatever will route to http://www.example.com/index.php/faq/whatever . I need a reliable way for a script to know what it's address is, so it will know what to do with the navigation. I've used mod_rewrite , as per CodeIgn...
what does the __file__ variable mean/do?
...ferent locations (such as ./text.py, ~/python/text.py and so forth) to see what difference that makes.
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