I\'m building a simple sliding blocks game. I use the repaint() method to draw blocks of a puzzle image and then I draw a null block with the help of a BufferedImage array (puzzle[empty_row][empty_col
First I\'ll explain a little bit about my system here. It\'s a form to allow children to book onto a series of day courses that run in the 开发者_开发知识库school easter and summer breaks. The form al
We are building a survey engine for our internal use. I would like to know how to persist the question branching logic into the database? Any body done this before or any ideas on the schema for the d
How would the condition be written to ensure a page is either accessed by xmlhttp request from my site or from an allowed outside domain?
On my site, forms are brought in via AJAX and checked against a sessionid. I know this is not optimal, but it\'s working for us. If the referrer doesn\'t have the session ID they are redirected back t
I am trying to do one multi map(4 variables) using boost- multi index.Can I know how to get the value of a particular index like
I need to evaluate whether two formulas are equi开发者_运维技巧valent or not. Here, I use a simple definition of formula, which is a prefix formula.
Maybe this is just obvious to everyone but can someone explain where XOR (or Exclusive-OR) got its name from? What does the word Exclusive really mean? Not that it matters, but its just stuck in my he
Having some difficulty doing translations for complicated neither...nor sentences. With these characters:
Say I need a signal to represent numbers from 0 to 5; obviously this needs 3 bits of std_logic to be represented (i.e if MAXVAL=5, then bitwidth= {wcalc \"floor(logtwo($MAXVAL))+1\"}).
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