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The SQL OVER() clause - when and why is it useful?
...nd you would be able to see how it works.
Assuming you have the following table DIM_EQUIPMENT:
VIN MAKE MODEL YEAR COLOR
-----------------------------------------
1234ASDF Ford Taurus 2008 White
1234JKLM Chevy Truck 2005 Green
5678ASDF Ford Mustang 2008 ...
Is there a performance impact when calling ToList()?
...ntees that the file amount in the folder is always small, the code is acceptable. But it's still suggested to use a lazy version: Directory.EnumerateFiles in C#4. This is much more like a query, which will not be executed immediately, you can add more query on it like:
Directory.EnumerateFiles(myP...
How to map calculated properties with JPA and Hibernate
...PRICE*1.155")
private float finalPrice;
Or even complex queries on other tables:
@Formula("(select min(o.creation_date) from Orders o where o.customer_id = id)")
private Date firstOrderDate;
Where id is the id of the current entity.
The following blog post is worth the read: Hibernate Derived ...
Get the generated SQL statement from a SqlCommand object?
...
Made some minor adjustments and added table value parameters. It's all up on GitHub and a .Net Standard 2.0 Nuget package github.com/jphellemons/CommandAsSql Thank you Flapper! Can I add you as collaborator?
– JP Hellemons
...
Difference between malloc and calloc?
...r non-IEEE floats, but that's no excuse for thinking your code is truly portable when it isn't.
– Steve Jessop
Oct 8 '09 at 15:51
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Troubleshooting “The use statement with non-compound name … has no effect”
...ce this class has no namespace it automatically inherits the global symbol table and so does not need things like this defining, just remove it.
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How to create a new database using SQLAlchemy?
...Bs will take it as mycolumn. In other words, not sure how you created your table, but if it was created using quotes, it will case-sensitive, so when you access it in an SQL statement you'll need the quotes as well.
– guyarad
Aug 3 '16 at 12:00
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Are parallel calls to send/recv on the same socket valid?
...py on unix-systems.org/version4 and I can see the list of System Interface Table at chapter 7.1 but do not see where it list the functions as being atomic operations. Not to doubt you, but can you please share/edit your answer to justify your point in the document?
– user153882...
Naming convention for utility classes in Java
...ially the freight cost; another was the standard freight cost taken from a table; and the third was a calculated cost used in some special cases, like overseas shipments. Like why couldn't they at least have called them, say, "currFreight", "stdFreight", and "calcFreight". That would at least have g...
Appropriate datatype for holding percent values?
...straints would be the same
Example:
if object_id('Demo') is null
create table Demo
(
Id bigint not null identity(1,1) constraint pk_Demo primary key
, Name nvarchar(256) not null constraint uk_Demo unique
, SomePercentValue decimal(3,2) constraint chk_Demo_SomePercent...