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How to know if user is logged in with passport.js?
... next();
} else {
res.redirect('/login');
}
}
And use it:
app.get('/orders', loggedIn, function(req, res, next) {
// req.user - will exist
// load user orders and render them
});
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Cast an instance of a class to a @protocol in Objective-C
...ompiler will only give you a warning if any method that's not declared on either UIViewController or <MyProtocol> is called. id should only be used in the situation if you don't know the class/type of the object being cast.
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Elegant way to invert a map in Scala
...lue->key lookups. I was looking for a simple way to do this, but came up with only:
10 Answers
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How do I generate random numbers in Dart?
...< 10; i++) {
print(rng.nextInt(100));
}
}
This code was tested with the Dart VM and dart2js, as of the time of this writing.
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Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
I am trying to get my friend name and ids with Graph API v2.0, but data returns empty:
7 Answers
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Is there a built-in function to print all the current properties and values of an object?
...
Print that dictionary however fancy you like:
>>> print l
['ArithmeticError', 'AssertionError', 'AttributeError',...
or
>>> from pprint import pprint
>>> pprint(l)
['ArithmeticError',
'AssertionError',
'AttributeError',
'BaseException',
'DeprecationWarning',
......
Show compose SMS view in Android
I want to send a sms with Android.
14 Answers
14
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How to copy files from 'assets' folder to sdcard?
...o copy all of them to a folder say /sdcard/folder. I want to do this from within a thread. How do I do it?
22 Answers
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Difference between map, applymap and apply methods in Pandas
Can you tell me when to use these vectorization methods with basic examples?
10 Answers
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Limiting floats to two decimal points
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You are running into the old problem with floating point numbers that not all numbers can be represented exactly. The command line is just showing you the full floating point form from memory.
With floating point representation, your rounded version is the same ...