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What's the difference between eval, exec, and compile?
...gt; g = dict()
>>> l = dict()
>>> exec('global a; a, b = 123, 42', g, l)
>>> g['a']
123
>>> l
{'b': 42}
(If you display the value of the entire g, it would be much longer, because exec and eval add the built-ins module as __builtins__ to the globals automaticall...
Foreign keys in mongo?
...xample:
student
{
name: 'Kate Monster',
addresses : [
{ street: '123 Sesame St', city: 'Anytown', cc: 'USA' },
{ street: '123 Avenue Q', city: 'New York', cc: 'USA' }
]
}
Child referencing
Like the student/course example above.
Parent referencing
Suitable for one-to-squillions,...
How do I ignore ampersands in a SQL script running from SQL Plus?
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Command not found error in Bash variable assignment
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Initializing a two dimensional std::vector
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Just earned a 'Good Answer' because of this answer. Other people already gave the same answer, but those who upvote this one may be similar to me when I came to this post, that we didn't recognize that some other answers are actua...
How to use Global Variables in C#?
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Include all existing fields and add new fields to document
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Is there any way to do a “Replace Or Insert” using web.config transformation?
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What is the command to exit a Console application in C#?
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The 3 different equals
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