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Ruby's ||= (or equals) in JavaScript?
...seems as pointed out in the comments below however, that this literal ruby form is less efficient than the standard javascript idiom a = a || b.
For reference:
http://www.rubyinside.com/what-rubys-double-pipe-or-equals-really-does-5488.html
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How do I make a text input non-editable?
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When you send form to a php file, it won't read disabled inputs. It may be what he meant.
– Carlos2W
Mar 29 '16 at 17:10
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Difference between val() and text()
...value to DOM elements using .val() and .text() functions:
HTML Part:
<form id="form1"><input id="first" type="text" /><input type="submit" /></form>
<div id="second">Click the "Submit Query" to see it work</div>
Jquery Part:
$(document).on("submit", "form", f...
Capturing TAB key in text box [closed]
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I'd rather tab indentation not work than breaking tabbing between form items.
If you want to indent to put in code in the Markdown box, use Ctrl+K (or ⌘K on a Mac).
In terms of actually stopping the action, jQuery (which Stack Overflow uses) will stop an event from bubbling when you ret...
What is the benefit of using $() instead of backticks in shell scripts?
...s within commands, without losing your sanity trying to figure out if some form of escaping will work on the backticks.
An example, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112[0-9][0-9]*.txt | tail -1l) -print)
which will give you a list of all files in the /dir directory ...
How to print like printf in Python3?
...x,n)))
Also, the recommendation for Python3 and newer is to use {}-style formatting instead of %-style formatting:
print('a={:d}, b={:d}'.format(f(x,n),g(x,n)))
Python 3.6 introduces yet another string-formatting paradigm: f-strings.
print(f'a={f(x,n):d}, b={g(x,n):d}')
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How to get the date from jQuery UI datepicker
...r user choose the date in jQuery UI datepicker and click the button on the form.
6 Answers
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how to unit test file upload in django
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Using your example, form validation gives me: "Upload a valid image. The file you uploaded was either not an image or a corrupted image."
– antonagestam
Jun 22 '15 at 14:21
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Center HTML Input Text Field Placeholder
How can I centre the input field's placeholder's alignment in a html form?
10 Answers
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InputStream from a URL
... entered if the implementation of HttpURLConnection
* does not perform the redirect. The exact behavior depends to
* the actual implementation (e.g. sun.net).
* !!! Attention: This block allows the connection to
* switch protocols (e.g. HTTP to HTTPS), which is ...