Lets say I have a few of tables orders = Arel::Table.new :orders stores = Arel::Table.new :stores managers = Arel::Table.new :managers
I have a file with two columns, one has the content type of HTTP objects like text/html, application/rar etc and the other has the bytes size.
Let\'s consider an image table with columns (id, location_id, created_at, counter_1, counter_2), the following query works fine: and it gives me the most recent picture for each location_id:
I have three related tables: Employee(EmployeeId, EmployeeName) Skill(SkillId, SkillName) EmployeeSkill(EmployeSkillId, EmployeeId, SkillId)
I am building my own array<T, n> class template for fun and education. The C++0x standard draft specifies a member function max_size() 开发者_开发知识库for all containers as distance(begin(), en
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If I have a table with two columns, A and B, and would like to count how many times an item shows up in both columns, is there a way to do so without using a cursor or temp table?
I have a union as follows: typedef unsigned long GT_U32; typedef unsigned short GT_U16; typedef unsigned char GT_U8;
Whats the ruby equivalent of Linq Aggregate method. It works something like this var factorial = new[] { 1, 2, 3, 4, 5 }.Aggregate((acc, i) => acc * i);
I\'m currently working on writing report generators.For one report I need to do a breakdown by a given characteristic (supplier, logging user, language, etc which for each row includes the name of the
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