I'm having a problem with a Ruby heredoc i'm trying to make. It's returning the leading whitespace from each line even though i'm including the - operator, which is supposed to suppress all leading whitespace characters. my method looks like this: def distinct_count <<-EOF \tSELECT \t CAST('#{name}' AS VARCHAR(30)) as COLUMN_NAME \t,COUNT(DISTINCT #{name}) AS DISTINCT_COUNT \tFROM #{table.call} EO
I am trying to find out the maximum value for an integer (signed or unsigned) from a MySQL database. Is there a way to pull back this information from the database itself? Are there any built-in constants or functions I can use (either standard SQL or MySQL specific). At http://dev.mysql.com/doc/refman/5.0/en/numeric-types.html it lists the values - but is there a way for the database to tell me.
I was hoping $('#childDiv2 .txtClass') or $('#childDiv2 input.txtClass') perform better when selecting <input type="text" id="txtID" class="txtClass"/> element. But according to this performance analysis $('.txtClass'); is the best selector among this. I'm using JQuery 1.7.2 Does anybody have explanation for this? HTML <div class="childDiv2"> <input type="text" id="txtID" class="txtClass"/> <p cla
I added a validation to an objects using: validate :field, presence: true I found they do not give error messages. I changed them to validates and got the error messages. This ticket is relevant. I tried to add a custom validation with validates and got an error: You need to supply at least one validation I changed it to validate, and everything went along as expected. My understanding is to use v
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