get_col("DESC $table_name", 0) as $column ) { if ($debug) echo("checking $column == $column_name
"); if ($column == $column_name) { return true; } } //didn't find it try to create it. $q = $wpdb->query($create_ddl); // we cannot directly tell that whether this succeeded! foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) { if ($column == $column_name) { return true; } } return false; } } function btc_altertable() { global $tablecomments; $sql = "ALTER TABLE $tablecomments ADD COLUMN comment_reply_ID INT NOT NULL DEFAULT 0;"; maybe_add_column($tablecomments, 'comment_reply_ID', $sql); } function btc_alter_comment($new_id) { global $tablecomments, $wpdb; $sql = "UPDATE $tablecomments SET comment_reply_ID=".$_POST['comment_reply_ID']." WHERE comment_ID = $new_id;"; $wpdb->query($sql); } function briansnestedcomments() { global $font_gets_smaller; if (!($withcomments) && ($single)) return; // You can safely delete the single line below if your threaded comments are up and running btc_altertable(); ?> Usable Security » 2006» September

Archive for September, 2006

Rivest’s ThreeBallot Voting System

Friday, September 29th, 2006

Ron Rivest suggests a paper-based voting system called ThreeBallot, which is unusual in that it lets voters verify the integrity of the election from end to end, but doesn’t require computers to do fancy cryptographic operations.  Designers of voting schemes have long desired to enable each voter to ascertain with confidence that their ballot [...]