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Get the cartesian product of a series of lists?
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Just wanted to add the '*' character is required if you use the variable somelists as provided by the OP.
– brian buck
Jan 13 '11 at 22:51
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Can I make a not submit a form?
...put type="button" value="Submit" />
Wrap it as the subject of a link, if you so desire:
<a href="http://somewhere.com"><input type="button" value="Submit" /></a>
Or if you decide you want javascript to provide some other functionality:
<input type="button" value="Cancel...
Finding the mode of a list
...(a), key=a.count)) returns 11. Will it always return the minimum mode? And if so, why?
– battey
Jan 13 '19 at 22:54
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Casting to string in JavaScript
... the jQuery source code, and they are all in use .
I would like to know if there are any differences between them:
8 Ans...
Why specify @charset “UTF-8”; in your CSS file?
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It tells the browser to read the css file as UTF-8. This is handy if your CSS contains unicode characters and not only ASCII.
Using it in the meta tag is fine, but only for pages that include that meta tag.
Read about the rules for character set resolution of CSS files at the w3c spec for...
A potentially dangerous Request.Form value was detected from the client
...thermore, "<" is not inherently dangerous. It's only dangerous in a specific context: when writing strings that haven't been encoded to HTML output (because of XSS).
In other contexts different sub-strings are dangerous, for example, if you write an user-provided URL into a link, the sub-string "...
Django database query: How to get object by id?
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If you want to get an object, using get() is more straightforward:
obj = Class.objects.get(pk=this_object_id)
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imp...
What does value & 0xff do in Java?
...on something like this is necessary is that byte is a signed type in Java. If you just wrote:
int result = value;
then result would end up with the value ff ff ff fe instead of 00 00 00 fe. A further subtlety is that the & is defined to operate only on int values1, so what happens is:
value...
ActionController::InvalidAuthenticityToken
...rned to the user.
The solution for Rails 3:
Add:
skip_before_filter :verify_authenticity_token
or as "sagivo" pointed out in Rails 4 add:
skip_before_action :verify_authenticity_token
On pages which do caching.
As @toobulkeh commented this is not a vulnerability on :index, :show actio...
How to send objects through bundle
...hree things:
1) You can break the object down to its constitute data, and if what's on the other end has knowledge of the same sort of object, it can assemble a clone from the serialized data. That's how most of the common types pass through bundles.
2) You can pass an opaque handle. If you are ...