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How to use permission_required decorators on django class-based views
...ing how the new CBVs work. My question is this, I need to require login in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there ...
What is the proper way to re-attach detached objects in Hibernate?
...e to the DB,
and overwrite any intervening updates.
refresh() cannot be called on a detached entity.
lock() cannot be called on a detached entity,
and even if it could, and it did reattach the entity,
calling 'lock' with argument 'LockMode.NONE'
implying that you are locking, but not locking,
i...
How to merge a list of lists with same type of items to a single list of items?
...n (x => x). This is really just a special case where you don't need the extra step of turning each TSource into a list, because it's already a list.
– Sean
May 8 '15 at 22:28
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CROSS JOIN vs INNER JOIN in SQL
... but not vs CROSS JOIN. Intersection rows are in JOIN, left/right rows are extra (null-extended) rows in LEFT/RIGHT JOIN. It includes CROSS JOIN as a special case of (INNER) JOIN where there are no rows in the non-intersection.
– philipxy
Nov 29 '15 at 0:39
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jQuery: How can i create a simple overlay?
How can I create a really basic overlay in jQuery without UI?
7 Answers
7
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How to identify all stored procedures referring a particular table
...this solution find referenced objects when they are referenced inside of a string? like, set @Query = “SELECT * FROM Object_I_Need_To_Find_References…”;
– Jeff.Clark
Nov 7 '16 at 17:16
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How do malloc() and free() work?
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@Juergen But when free() read extra byte which contain information how much memory allocated from malloc, it get 4. Then how crash happened or how free() touch administrative data ?
– Undefined Behaviour
Aug 5 '16 at...
undefined reference to boost::system::system_category() when compiling
...raries. I have the 1.46-dev Boost libraries from the Ubuntu Repository installed, but I get an error when compiling the program.
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Extracting double-digit months and days from a Python date [duplicate]
... Just to add another formatting method to get a padded zero string you could use the zfill() function like so: str(d.month).zfill(2)
– Muon
Mar 1 '18 at 4:22
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Apply a function to every row of a matrix or a data frame
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This takes a matrix and applies a (silly) function to each row. You pass extra arguments to the function as fourth, fifth, ... arguments to apply().
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