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how to reset
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You need to wrap <input type = “file”> in to <form> tags and then you can reset input by resetting your form:
onClick="this.form.reset()"
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How to add hyperlink in JLabel?
...UrlAction implements ActionListener {
@Override public void actionPerformed(ActionEvent e) {
open(uri);
}
}
JFrame frame = new JFrame("Links");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(100, 400);
Container container = frame.getConten...
Whitespace Matching Regex - Java
... required to meet UTS#18’s RL1.2! What it does have is not standards-conforming, alas.
Unicode defines 26 code points as \p{White_Space}: 20 of them are various sorts of \pZ GeneralCategory=Separator, and the remaining 6 are \p{Cc} GeneralCategory=Control.
White space is a pretty stable prope...
What's the best way to store Phone number in Django models
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You might actually look into the internationally standardized format E.164, recommended by Twilio for example (who have a service and an API for sending SMS or phone-calls via REST requests).
This is likely to be the most universal way to store phone numbers, in particular if you have...
How can I change or remove HTML5 form validation default error messages?
... numbers are required and length of value must be 10. When I try to submit form with value which length is 5, the default error message appears: Please match the requested format
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Best practice for partial updates in a RESTful service
... main resource. The intention of the 303 is to tell the client: "I have performed your POST and the effect was that some other resource was updated. See Location header for which resource that was." POST/303 is intended for iterative additions to a resources to build up the state of some main resour...
Set custom HTML5 required field validation message
I have one form with many input fields. I have put html5 validations
11 Answers
11
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how to POST/Submit an Input Checkbox that is disabled?
...trategy is to add an hidden field holding checkbox's value within the same form and read value back from that field
Simply change disabled to readonly
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Match whitespace but not newlines
...t matches these characters
U+000A LINE FEED
U+000B LINE TABULATION
U+000C FORM FEED
U+000D CARRIAGE RETURN
U+0085 NEXT LINE (not matched by \s)
U+2028 LINE SEPARATOR
U+2029 PARAGRAPH SEPARATOR
There are seven vertical whitespace characters which match \v and eighteen horizontal ones which match ...
What are carriage return, linefeed, and form feed?
...as ASCII value 10 or 0x0A. CRLF (but not CRNL) is used for the pair \r\n.
Form feed means advance downward to the next "page". It was commonly used as page separators, but now is also used as section separators. (It's uncommonly used in source code to divide logically independent functions or grou...