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Hi- I have a javascript string variable: var string1 = "blah blah blah"; ....and after some operations are done to it (NOT directly by the user but triggered instead by events happening in the background) I want to pass it back to the server to be saved in the database …

Hello all- I'm looking for some advice.... As a newbie to rails and ajax I've been enlisted to add a feature to an existing application. In a page where users create new accounts I need to add some kind of observer to the form that checks to see if an …

Hello- I have these two tables: [code] CREATE TABLE ampref ( ampref_id serial NOT NULL, amp_id integer NOT NULL, code character varying(255) NOT NULL, description text ); CREATE TABLE amp ( amp_id serial NOT NULL, name character varying(255) NOT NULL, description character varying(255), url character varying(255) ); [/code] ...and I'm …

Hello- As a newbie Rails developer, I realize I should have a solid knowledge of SQL regardless of the wonderful abstraction Rails provides. That said, I'm trying to build my first app within the next couple of weeks, relying completely on those abstractions. A couple of questions...... Let's say I …

Hi- I'm designing the database for my app and am trying to do it as intelligently as possible. I'm trying to avoid an explosion of tables and thought single table inheritance (STI) might be the answer..... Is it me or is the use of foreign key constraints (nearly?) impossible when …

Hello- I'm trying to write a classic producer/consumer program using signals. My parent process (producer.c) forks and executes a new child program (consumer.c). The producer copies values from an input file (100 total int values to copy) to a common file, then sends a signal to the child to copy …

i'm having this problem and i would like to ask for some ideas on how i will read a file backwards, that is, from end, read the file backwards(forward, naturally) by line.. thanks