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How to count the number of set bits in a 32-bit integer?
...rocoded loop that tests a bit per cycle (citation needed).
A pre-populated table lookup method can be very fast if your CPU has a large cache and/or you are doing lots of these instructions in a tight loop. However it can suffer because of the expense of a 'cache miss', where the CPU has to fetch so...
How should a model be structured in MVC? [closed]
...n Object-Relational Mapping technique (ORM) nor an abstraction of database tables. Anyone who tells you otherwise is most likely trying to 'sell' another brand-new ORM or a whole framework.
What a model is:
In proper MVC adaptation, the M contains all the domain business logic and the Model Layer ...
“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
...find a sub-directory called sql.
In sql you will find a file called create_tables.sql. Open it in a text editor.
In phpMyAdmin, select the phpmyadmin database and click on the "SQL" tab.
Copy/paste the entire text from create_tables.sql into the text box, and run the query.
Open the config.inc.php f...
How to hide columns in HTML table?
I have created a table in ASPX. I want to hide one of the columns based on the requirement but there is no attribute like visible in the HTML table building. How can I solve my problem?
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Apply CSS Style to child elements
I want to apply styles only to the table inside the DIV with a particular class:
8 Answers
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Why can't I use an alias in a DELETE statement?
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To alias the table you'd have to say:
DELETE f FROM dbo.foods AS f WHERE f.name IN (...);
I fail to see the point of aliasing for this specific DELETE statement, especially since (at least IIRC) this no longer conforms to strict ANSI. ...
Auto Generate Database Diagram MySQL [closed]
... every project. Is there a tool out there that will let me select specific tables and then create a database diagram for me based on a MySQL database? Preferably it would allow me to edit the diagram afterward since none of the foreign keys are set...
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How to delete the top 1000 rows from a table using Sql Server 2008?
I have a table in SQL Server. I would like to delete the top 1000 rows from it. However, I tried this, but I instead of just deleting the top 1000 rows it deleted all the rows in the table.
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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
I've setup a UIRefreshControl in my UITableViewController (which is inside a UINavigationController) and it works as expected (i.e. pull down fires the correct event). However, if I programmatically invoke the beginRefreshing instance method on the refresh control like:
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What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...ual type: {0}", obj.GetType().Name);
}
Let's try an arbitrary linq-to-sql Table<T>, which implements IQueryable:
ReportTypeProperties(context.Observations);
ReportTypeProperties(context.Observations.AsEnumerable());
ReportTypeProperties(context.Observations.AsQueryable());
The result:
Compil...