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Business logic in MVC [closed]
...Matisko "Models should only carry data." You're not understanding what M means in "MVC". V is purely presentation. C is glue between presentation and model. (In fact, the "VC" are often thought of together as being the presentation layer, and popular variations of MVC like MVVM -- Model View View...
How to check if running as root in a bash script
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The $EUID environment variable holds the current user's UID. Root's UID is 0. Use something like this in your script:
if [ "$EUID" -ne 0 ]
then echo "Please run as root"
exit
fi
Note: If you get 2: [: Illegal number: check if...
Why are preprocessor macros evil and what are the alternatives?
... this, c = a = 7
On top of this, macros do not support namespaces, which means that defining macros in your code will limit the client code in what names they can use.
This means that if you define the macro above (for max), you will no longer be able to #include <algorithm> in any of the c...
SQL - find records from one table which don't exist in another
... WHERE Phone_book.phone_number IS NULL
(ignoring that, as others have said, it's normally best to select just the columns you want, not '*')
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Reshaping data.frame from wide to long format
I have some trouble to convert my data.frame from a wide table to a long table.
At the moment it looks like this:
9 Answe...
Is it possible to have a Subversion repository as a Git submodule?
...he same way by an explicit .gitsvnextmodules file in a working copy. Which means you still have to use these software to checkout externals and you can not use basic git utility to checkout those externals directly from an external git hub server like github or gitlab. So the sources releated to an ...
python max function using 'key' and lambda expression
...t that you created yourself, and not something obvious, like integers.
Meaning of the lambda expression? How to read them? How do they work?
That's sort of a larger question. In simple terms, a lambda is a function you can pass around, and have other pieces of code use it. Take this for exampl...
Explanation of the UML arrows
...re plenty of other arrows: generalization, realisation and etc. which have meaning to the diagram reader.
10 Answers
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Ruby 'require' error: cannot load such file
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Can you please tell is the meaning of this ? What does it do behind the scenes ? Thanks.
– sid smith
Sep 21 '14 at 8:22
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How can I change the table names when using ASP.NET Identity?
...ded from MSDN 2013-10-18) and therefore the latest (RTM) version of AspNet.Identity. When I create a new web project, I select "Individual User Accounts" for authentication. This creates the following tables:
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