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Scope of sessionStorage and localStorage

I read some documentation on sessionStorage and localStorage, but I don't understand what the scope is: the domain, a specific page? ...
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Get the first N elements of an array?

... Use array_slice() This is an example from the PHP manual: array_slice $input = array("a", "b", "c", "d", "e"); $output = array_slice($input, 0, 3); // returns "a", "b", and "c" There is only a small issue If the arr...
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Psql list all tables

I would like to list all tables in the liferay database in my PostgreSQL install. How do I do that? 6 Answers ...
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Alter table add multiple columns ms sql

Can anyone tell me where is the mistake in the following query 6 Answers 6 ...
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How to implement a unique index on two columns in rails

I have a table and I'm trying to add a unique index on two columns. Those columns are also indexed. So my question is if I just can remove the indexes who were just for one column or if I have to use all three indexes: ...
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How can I change the copyright template in Xcode 4?

... Xcode 4 (and above) stores this on a per-project basis. If you select the project in the Project Navigator (Cmd-1) and open the File Inspector (Cmd-Opt-1), you'll see a field for "Organization" under "Project Document". ...
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How can I filter a Django query with a list of values?

I'm sure this is a trivial operation, but I can't figure out how it's done. 3 Answers ...
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How can I see the current value of my $PATH variable on OS X?

returns: 4 Answers 4 ...
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What is the difference between os.path.basename() and os.path.dirname()?

... Both functions use the os.path.split(path) function to split the pathname path into a pair; (head, tail). The os.path.dirname(path) function returns the head of the path. E.g.: The dirname of '/foo/bar/item' is '/foo/bar'. The o...
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What is “incremental linking”?

I've looked at Microsoft's MSDN and all around the web, but I still haven't been able to get a really good idea of what it is. ...