Lets say we have the following code: #include <iostream> #include <string> struct A开发者_高级运维
I have an in-memory cache which stores a set of information by a certain level of aggregation - in the Students example below let\'s say I store it by Year, Subject, Teacher:
In MS Access I am trying to get an average of data but only when the last record of each set is larger than a value. almost have it but cant get the last part. So my data looks like so:
I\'m trying to provide reporting functionality on a typical restaurant type database. I describe the specifics of the problem below, but in a nutshell I need to be able retrieve aggregate data (sums a
I have a couple questions regarding the relationship between references between two aggregate roots in a DDD model. Refer to the typical Customer/Order model diagrammed below.
I\'m trying to use domain driven design while creating a website that is publicly accessible. One problem I\'m having is trying to figure out what the aggregate roots should be for my model. I have a
Here is my T-SQL query SELECT ProductID, VendorID, ProductName= MAX(ProductName), VendorName = MAX(VendorName),
Short question. I have two models: class Author(models.Model): name = models.CharField(max_length=250) class Book(models.Model):
I have a collection of objects, and each object has a bit field enumeration property. What I am trying to get is the logical OR of the bit field property across the entire collection. How can I do thi
I would like to open raster files (in ASCII or TIFF format), aggregate their cells and after this operation count correlation between values in this new raster file and another one. Unfortunately I do
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