cosimo

This is the list of exit codes for wget:

0       No problems occurred
1       Generic error code
2       Parse error — for instance, when parsing command-line options, the .wgetrc or .netrc…
3       File I/O error
4       Network failure
5       SSL verification failure
6       Username/password authentication failure
7       Protocol errors

cosimo

When varnish logs a Hit entry (SLT_Hit), it means the vcl_recv() function has given a go for serving the request from cache and the object is available.

This however doesn't guarantee that our request was served from the cache. The default vcl_hit() code (man vcl) checks that the object has to be cacheable too, at least on varnish 2.1.

if (!obj.cacheable) {

cosimo

#!/bin/sh

echo 'deb http://backports.debian.org/debian-backports squeeze-backports main contrib non-free' > /etc/apt/sources.list.d/squeeze-backports.list
apt-get update
apt-get -t squeeze-backports install linux-base initramfs-tools linux-image-3.2.0-0.bpo.4-amd64

cosimo

#!/usr/bin/perl

=head1 NAME

anyevent-udp-server.pl - Simple AnyEvent::Handle::UDP UDP server

=head1 DESCRIPTION

Starts a UDP server that listens on a given port for
input (incoming udp packets).

cosimo

#!/bin/bash
#
# Example of how to parse short/long options with 'getopt'
#

OPTS=`getopt -o vhns: --long verbose,dry-run,help,stack-size: -n 'parse-options' -- "$@"`

if [ $? != 0 ] ; then echo "Failed parsing options." >&2 ; exit 1 ; fi

echo "$OPTS"

cosimo

sub vcl_fetch {

    # ...

    if (beresp.http.Cache-Control ~ 'no-cache') {
        set beresp.ttl = 0s;
        return (deliver);
    }

    # ...

cosimo

<meta name="viewport" content="width=device-width, initial-scale=1">

cosimo

#!/usr/bin/env perl
#
# Find unused CSS selectors by crawling a list of URLs
# (--url, even more than one) and matching all elements in
# a page to find out which selectors are never used across
# all given URLs
#
# Usage:
# ./find-unused-css-selectors.pl --css file.css --url http://some.url [--url http://some.other.url ...]
#

cosimo

include "/etc/varnish/reset-connection.vcl";

backend default {
    .host = "127.0.0.1";
    .port = "8080";
}

sub vcl_recv {
    if (req.http.CloseMe) {
        C{

cosimo

DELIMITER //
  
DROP PROCEDURE IF EXISTS populate_table //
  
CREATE PROCEDURE populate_table ()
BEGIN
  
    DECLARE CONTINUE HANDLER FOR SQLSTATE '23000' BEGIN
        SELECT tap.ok(
            0,