I\'m writing a program on Linux in C, and I\'d like to wait (using select or poll) for a pipe file descriptor to become broken, e.g. I\'d like to wait up to the point when a subsequent write(2) would
CREATE TABLE #Temporary ( HoursThisYear int, HoursLastYear int, HoursBefore2010 int ) INSERT INTO #Temporary (HoursThisYear)
I thought I\'d find an answer readily, but not so far. I have related tables -- Blog and Tags. The Tags schema looks like this:
I have query: select id, name from categories where parent开发者_JAVA技巧_id in ( select id from categories
I have prices in two different tables and want to subtract them (current price-last day price) and ORDER them in DESC form. I was wondering if it can be done using a single MySQL command.
I need to do a query to return the next (or prev) record if a certain record is not present. For instance consider the following table:
I use PHP and 开发者_如何转开发MySQL and I have 2 tables: table score: have fields \'user_id\' and \'score\'
I have a table for the link/relationship between two other tables, a table of customers and a table of groups. a group is made up of one or more customers. The link table is like
I\'m working with a simple select like this: <%=select(@file, @file.file_id, File.all.collect {|p| [ p.name, p.id ] }) %>
I am using the select function for communication betwe开发者_JAVA百科en my sockets. I have a while loop and I do -