average

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Average extension method in Linq for default value

Anyone know how I can set a default value for an average? I have a line like this... dbPlugins = (from p in dbPlugins[详细]

2023-02-20 05:10 分类：问答
Feeding a UITableViewController calculated values

Very quick question.I need to feed a UITableViewController daily averages calculated from multiple objects with an NSNumber attribute (each object is timestamped, with 8-10 objects per day usually).Is[详细]

2023-02-18 23:08 分类：问答
Finding the Average from a list of numbers in Java

This is my first attempt at java problem I have been given as part of my Programming assignment. I must make a pr开发者_StackOverflow社区ogram which calculates the average of a list of numbers that a[详细]

2023-02-17 16:41 分类：问答
Mysql AVG to ignore zero

I need to perform an avg on a column, but I know that most of the values in that column will be zero. Out of all possible rows, only two will pr开发者_如何学Cobably have positive values. How can I tel[详细]

2023-02-17 05:52 分类：问答
Generate a random number with max, min and mean(average) in Java

I nee开发者_JS百科d to generate random numbers with following properties. Min should be 200 Max should be 20000[详细]

2023-02-17 03:41 分类：问答
Use of AVG function in MySQL

I want to know the top 3 student in my database so I use AVG function but it seems I have some errors this is my code:[详细]

2023-02-17 03:38 分类：问答
MDX Calculating 12 month average unit price and applying to forecast quantity

I have a requirement to show a report which calculates the average selling unit price of each product and then multiplies this average by the number of units forecasted to sell in the next year (for e[详细]

2023-02-16 15:38 分类：问答
Narrowing an average to a specific

Simple question on using averages in Rails. I\'m just trying to calculate and average for subset of bids in my table, those that apply to a single item.[详细]

2023-02-16 07:06 分类：问答
efficient join needed against a virtual table used multiple times in a subquery

I am trying to run a query similar to this one: SELECT s.custno, s.prodno, IF(daycode = 1, (SELECT avg(sell)[详细]

2023-02-15 13:20 分类：问答
How to find the average of a set of bearings [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: How do you calculate the a开发者_如何学Cverage of a set of angles?[详细]

2023-02-14 22:14 分类：问答