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What is an ORM, how does it work, and how should I use one? [closed]
...anually, you would do something like that:
book_list = new List();
sql = "SELECT book FROM library WHERE author = 'Linus'";
data = query(sql); // I over simplify ...
while (row = data.next())
{
book = new Book();
book.setAuthor(row.get('author');
book_list.add(book);
}
With an ORM ...
Is it Linq or Lambda?
...= from item in _List
where item.Value == 1
select item;
This is also LINQ (using method syntax):
var _Results = _List.Where(x => x.Value == 1);
It's interesting to note that both of these flavors will end up producing the exact same code. The compiler offers y...
How to restart a rails server on Heroku?
...ple web processes or worker processes, each labeled with a number, you can selectively restart one of them:
heroku ps:restart web.2 --app app_name
heroku ps:restart worker.3 --app app_name
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How to hide databases that I am not allowed to access
...her DBs.
In pgAdmin III
make sure you are disconnected from the server,
select the Server, right click -> properties, Advanced tab,
in 'DB restriction' type in the name of your database(s) enclosed in single quotes and separated by spaces.
E.g.
'dback447'
Update for pgAdmin 4 - Do not us...
jQuery change input text value
I can't find the right selector for:
5 Answers
5
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When someone writes a new programming language, what do they write it IN?
...
If you select an unsuited language for a task, it's your own fault. This can happen for any project, not just compilers/interpreters.
– ziggystar
Oct 27 '09 at 11:09
...
Difference between numeric, float and decimal in SQL Server
... there is still data type precedence, which can be crucial in some cases.
SELECT SQL_VARIANT_PROPERTY(CAST(1 AS NUMERIC) + CAST(1 AS DECIMAL),'basetype')
The resulting data type is numeric because it takes data type precedence.
Exhaustive list of data types by precedence:
Reference link
...
What is the purpose of Node.js module.exports and how do you use it?
...
the module.exports property or the exports object allows a module to select what should be shared with the application
I have a video on module_export available here
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How to revert (Roll Back) a checkin in TFS 2010
...
right click file in Visual Studio and Source Control/View History
then select last changeset, right click and click Rollback
After rollback done, you should check in again.
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How to implement a custom AlertDialog View
...
This should have been selected as the Best Answer.
– Salman Khakwani
Dec 31 '13 at 9:31
2
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