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C++ convert vector to vector
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Transpose a data frame
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How to destroy an object?
...2;
unset($var2);
echo $var->a;
returns
2
See it in action here: https://eval.in/1054130
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How does Django's Meta class work?
...d controlled by a metaclass called ModelBase, you can see that code here:
https://github.com/django/django/blob/master/django/db/models/base.py#L61
And one of the things that ModelBase does is to create the _meta attribute on every Django model which contains validation machinery, field details, s...
How can I use Server.MapPath() from global.asax?
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Android Closing Activity Programmatically
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What's the best way to get the current URL in Spring MVC?
...for the active request. Is there anything smarter than taking the current HttpServletRequest object and it's getParameter...() methods to rebuilt the complete URL including (and only) it's GET parameters.
...
Updating MySQL primary key
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redis-py : What's the difference between StrictRedis() and Redis()?
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Using variables inside a bash heredoc
...just like in variables like
\$HOME (current value: $HOME)
____HERE
Demo: https://ideone.com/rMF2XA
Note that any of the quoting mechanisms -- \____HERE or "____HERE" or '____HERE' -- will disable all variable interpolation, and turn the here-document into a piece of literal text.
A common task i...