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jQuery Ajax File Upload
...ed. E.g. through FormData object, but unfortunately it is not supported by all/old browsers.
FormData support starts from following desktop browsers versions.
IE 10+
Firefox 4.0+
Chrome 7+
Safari 5+
Opera 12+
For more detail, see MDN link.
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How to change a span to look like a pre with CSS?
...ok at the W3C CSS2.1 Default Style Sheet or the CSS2.2 Working Draft. Copy all the settings for PRE and put them into your own class.
pre {
display: block;
unicode-bidi: embed;
font-family: monospace;
white-space: pre;
}
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Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
7 Answers
7
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Iterate a list as pair (current, next) in Python
...(b, None)
return itertools.izip(a, b)
How this works:
First, two parallel iterators, a and b are created (the tee() call), both pointing to the first element of the original iterable. The second iterator, b is moved 1 step forward (the next(b, None)) call). At this point a points to s0 and b...
CSS strikethrough different color from text?
The HTML elements del , strike , or s may all be used for a text strike-through effect. Examples:
12 Answers
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Get IP address of visitors using Flask for Python
...emote_addr)
When proxies, such as nginx, forward addresses, they typically include the original IP somewhere in the request headers.
Update See the flask-security implementation. Again, review the documentation about ProxyFix before implementing. Your solution may vary based on your particular...
Unable to Cast from Parent Class to Child Class
...
Well, I would hesitate to call this a "downcast".
– Kirk Woll
Dec 24 '12 at 4:43
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Get local IP address
...sing Geraldo H Answer, but if anyone is using this, you may want to remove all ips that ends with 1, so it will remove loopback and virtualbox/vmware default ips
– Leonardo Xavier
Jun 23 '15 at 13:03
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Override body style for content in an iframe
...e, I am hiding an element with a specific class in the inner iframe.
Basically, you just append a 'style' element to the 'head' of the inner iframe.
$('iframe').load( function() {
$('iframe').contents().find("head")
.append($("<style type='text/css'> .my-class{display:none;} <...
Why is Multiple Inheritance not allowed in Java or C#?
I know that multiple inheritance is not allowed in Java and C#. Many books just say, multiple inheritance is not allowed. But it can be implemented by using interfaces. Nothing is discussed about why it is not allowed. Can anybody tell me precisely why it is not allowed?
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