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iFrame src change event detection?
... plans are for this code (for me, I'm animating the dialog off the page on form submit) this solution will not work.
– stacigh
Mar 30 '15 at 23:17
...
PHP check whether property exists in object or class
...echo 'Person does not have a middle name';
}
These are both fine in long form statements but in ternary statements they become unnecessarily cumbersome like so:
isset($person->middleName) ? echo $person->middleName : echo 'Person does not have a middle name';
You can also achieve this with...
object==null or null==object?
...many people (myself certainly included) find the if (variable == constant) form to be more readable - it's a more natural way of expressing yourself. This is a reason not to blindly copy a convention from C. You should always question practices (as you're doing here :) before assuming that what may ...
How do I detect the Python version at runtime? [duplicate]
...'s not a program-friendly interface and therefore Do not extract version information out of it (as said by Python Documentation).
– iBug
Feb 18 '19 at 3:44
5
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Can regular expressions be used to match nested patterns? [duplicate]
... practice many implementations have some trick in order to allow you to perform recursive "regular expressions". E.g. see the chapter "Recursive patterns" in php.net/manual/en/regexp.reference.php
– daremon
Sep 25 '08 at 15:26
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Set padding for UITextField with UITextBorderStyleNone
...alue in Interface Builder / Storyboard.
import UIKit
@IBDesignable
class FormTextField: UITextField {
@IBInspectable var inset: CGFloat = 0
override func textRect(forBounds bounds: CGRect) -> CGRect {
return bounds.insetBy(dx: inset, dy: inset)
}
override func editing...
How do I check if an element is hidden in jQuery?
...m/jquery-is-vs-regexp-for-css-visibility. Conclusion: if you're out for performance, use regexp over is() (since is() looks for all hidden nodes first before looking at the actual element).
– Max Leske
Jun 22 '12 at 14:12
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How to swap two variables in JavaScript
...
@derek - I think it's called array matching, a form of destructuring assignment.
– Ted Hopp
Apr 22 '16 at 14:31
4
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What is the maximum length of a valid email address?
... Mailbox element (i.e., the email address) has angle brackets around it to form a Path, which a maximum length of 254 characters to restrict the Path length to 256 characters or fewer.
The maximum length specified in RFC 5321 states:
The maximum total length of a reverse-path or forward-path is...
How to mark-up phone numbers?
...a phone number as callable link in an HTML document. I have read the microformats approach , and I know, that the tel: scheme would be standard, but is quite literally nowhere implemented.
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