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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?

... You can use array_slice as: $sliced_array = array_slice($array,0,$N); share | improve this answer | f...
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How to redirect the output of an application in background to /dev/null

I would like to redirect the output generated from a background application in Linux to /dev/null. 2 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

...n 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?

... You can change the copyright template in Xcode here: Project Navigator -> File Inspector -> "Organization". share | im...
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What is the difference between origin and upstream on GitHub?

...b forks (where you fork a GitHub repo on GitHub before cloning that fork locally). upstream generally refers to the original repo that you have forked (see also "Definition of “downstream” and “upstream”" for more on upstream term) origin is your fork: your own repo on GitHub, clone of th...
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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?

...You need to use the command echo $PATH to display the PATH variable or you can just execute set or env to display all of your environment variables. By typing $PATH you tried to run your PATH variable contents as a command name. Bash displayed the contents of your path any way. Based on your outp...
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What is the difference between os.path.basename() and os.path.dirname()?

...en you have to get the filename/directory name given a full path name. In case the file path is just the file name (e.g. instead of path = '/home/User/Desktop/myfile.py' you just have myfile.py), os.path.dirname(path) returns an empty string. ...