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Code First: Independent associations vs. Foreign key associations?
...l advantage of ORM you will definitely use Entity reference:
public class Order
{
public int ID { get; set; }
public Customer Customer { get; set; } // <-- Customer object
...
}
Once you generate an entity model from a database with FKs it will always generate entity references. If...
How to access the first property of a Javascript object?
... access also other properties by indexes. Be aware tho! Object.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this.
...
Can I mask an input text in a bat file?
...un.
Now, as mentioned, scriptpw.dll is available only up to XP/2003. In order to rectify this, you can simply copy the scriptpw.dll file from the Windows\System32 folder of an XP/2003 system to the Winnt\System32 or Windows\System32 folder on your own system. Once the DLL has been copied, you wil...
rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...same error in my development environment. In the end all I needed to do in order to fix it was to add:
config.assets.manifest = Rails.root.join("public/assets")
to my config/environments/development.rb file and it fixed it. My final config in development related to assets looks like:
config.asse...
What is the difference between “def” and “val” to define a function
...if you need a function (not method) for function composition or for higher order functions (like filter(even)) compiler will generate a function from your method every time you are using it as function, so performance could be slightly worse than with val.
...
form with no action and where enter does not reload page
...t an action attribute is not a form, according to standards - and will actually cause a page reload in some browsers.. I've found that action="javascript:void(0);" works well.
– Dutchie432
Oct 17 '11 at 20:14
...
Convert from enum ordinal to enum type
...ng for me. It returns out the ordinal value is not guaranteed to match the order in which the enumerated types are added. I don't know that is what this answer is advocating, but I wanted to warn people nonetheless
– IcedDante
Jul 14 '15 at 0:06
...
When is it better to use an NSSet over an NSArray?
...
When the order of the items in the collection is not important, sets offer better performance for finding items in the collection.
The reason is that a set uses hash values to find items (like a dictionary) while an array has to iter...
Difference between clustered and nonclustered index [duplicate]
...mn(s). It is like a dictionary, where all words are sorted in alphabetical order in the entire book.
A non-clustered index, on the other hand, does not alter the way the rows are stored in the table. It creates a completely different object within the table that contains the column(s) selected for...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
.....discarded...]
And the task has now came down to calculate a0 and a1 in order for y to have the least difference from the exact value. They have calculated that the most appropriate values are:
a0 = 0x5f375a86
a1 = -0.5
So when you put this into equation you get:
y = 0x5f375a86 - 0.5*x
Whic...