examples: improve the pg and vweb output (#8640)

examples/database/pg/customer.v

@@ -2,6 +2,8 @@ module main
 
 import pg
 
+const dash = '----------------------------------------------------------------'
+
 struct Customer {
 	id int
 	name string
@@ -24,27 +26,27 @@ fn main() {
 	println('Total customers: $nr_customers')
 
 	// V syntax can be used to build queries
-	println('----------------------------------------------------------------')
+	println(dash)
 	bg_country := 'Bulgaria'
 	bg_customers := db.select from Customer where country == bg_country  && id != 2
 	for customer in bg_customers {
 		println('$customer.country | $customer.id - $customer.name')
 	}
 
-	println('----------------------------------------------------------------')
+	println(dash)
 	ru_customers := db.select from Customer where country == 'Russia'
 	for customer in ru_customers {
 		println('$customer.country | $customer.id - $customer.name')
 	}
 
 	// by adding `limit 1` we tell V that there will be only one object
-	println('----------------------------------------------------------------')
+	println(dash)
 	existing := db.select from Customer where id == 1 limit 1 or { panic(err) }
 	println('Existing customer name: $existing.name')
 	println('Existing customer full information:')
 	println(existing)
 
-	println('------------------------------------------------------------------------')
+	println(dash)
 	q := Customer{}
 	// It's easy to handle queries that don't return any data
 	if anon := db.select from Customer where id == 12345 && name == q.name &&

vlib/vweb/vweb.v

@@ -266,8 +266,8 @@ pub fn run<T>(port int) {
 }
 
 pub fn run_app<T>(mut app T, port int) {
-	println('Running a Vweb app on http://localhost:$port')
 	mut l := net.listen_tcp(port) or { panic('failed to listen') }
+	println('[Vweb] Running app on http://localhost:$port')
 	app.Context = Context{
 		conn: 0
 	}
@@ -318,7 +318,7 @@ fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
 	page_gen_start := time.ticks()
 	first_line := reader.read_line() or {
 		$if debug {
-			eprintln('Failed first_line') // show this only in debug mode, because it always would be shown after a chromium user visits the site
+			eprintln('Failed to read first_line') // show this only in debug mode, because it always would be shown after a chromium user visits the site
 		}
 		return
 	}