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What is the exact meaning of IFS=$'\n'?
...cessary. Run new IFS in subshell to avoid overriding the default IFS:
ar=(123 321); ( IFS=$'\n'; echo ${ar[*]} )
Besides I don't really believe you recover the old IFS fully. You should double quote it to avoid line breaking such as OLDIFS="$IFS".
...
How to convert a ruby hash object to JSON?
...json/ext' # to use the C based extension instead of json/pure
puts {hash: 123}.to_json
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Cannot push to GitHub - keeps saying need merge
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This normally happens when you git commit and try to git push changes before git pulling on th...
How to send an email using PHP?
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You could also use PHPMailer class at https://github.com/PHPMailer/PHPMailer .
It allows you ...
Socket.IO Authentication
...rst_name: 'John',
last_name: 'Doe',
email: 'john@doe.com',
id: 123
};
// we are sending the profile in the token
var token = jwt.sign(profile, jwtSecret, { expiresInMinutes: 60*5 });
res.json({token: token});
});
Now, your socket.io server can be configured as follows:
var s...
How to get the mouse position without events (without moving the mouse)?
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+50
Edit 20...
How to pass a function as a parameter in Java? [duplicate]
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You could use Java reflection to do this. The method would be represented as an instance of j...
How to set selected value of jquery select2?
...text: 'Lorem Ipsum'}
Example:
$('#all_contacts').select2('data', {id: '123', text: 'res_data.primary_email'});
Thanks to @NoobishPro
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How to pass macro definition from “make” command line arguments (-D) to C source code?
...(CPPFLAGS) $(CXXFLAGS) -c
One would use the command make CPPFLAGS=-Dvar=123 to define the desired macro.
More info
Variables Used by Implicit Rules
Catalogue of Built-In Rules
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Get __name__ of calling function's module in Python
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Check out the inspect module:
inspect.stack() will return the stack information.
Inside a fu...