http://blog.sosedoff.com Thu, 14 Jan 2010 13:30:26 +0000 http://backend.userland.com/rss092 en Im back to my blog, which i havent updated since last october. Need to throw some more articles. http://blog.sosedoff.com/2010/01/14/back-to-business/ Some time ago i wrote a simple regex patterns to determine whether my client crawler bot, mobile client or just regular one. Easy to expand and to use. function is_mobile($agent) { $pattern = '/(blackberry|motorokr|motorola|sony|windows ce|240x320|176x220|palm|mobile|iphone|ipod|symbian|nokia|samsung|midp)/i'; return (bool)preg_match($pattern, $agent); } function is_crawler($agent) { pattern = ... http://blog.sosedoff.com/2009/10/02/how-to-identify-your-clients-browser-type/ My previous version of php url router was not good enough, so i`ve done some core modification to the class. Its more flexible now. The whole idea is very similar to Rails` and Merb`s url router (merb is a rails-fork). In fact, previous version doesn`t even support GET variables in ... http://blog.sosedoff.com/2009/09/20/rails-like-php-url-router/ Here is the bash shell script that makes archived dumps of your database server. All databases are separated from each other and stored into date based folders. #!/bin/bash MyUSER="root" MyPASS="" MyHOST="localhost" NOW="$(date +"%d-%m-%Y")" STOREDIR="/home/storage/backup/database/by_dates/$NOW" DBLIST="$(mysql -u $MyUSER -h $MyHOST -Bse 'show databases')" [ ! -d $STOREDIR ] && mkdir -p $STOREDIR || : for db in $DBLIST do FILE="$STOREDIR/$db.gz" mysqldump ... http://blog.sosedoff.com/2009/09/18/date-separated-mysql-backups/ Recovered blog. Will start write some other stuff soon. http://blog.sosedoff.com/2009/09/17/blog-is-back/ Developing with Merb or Sinatra ? Like web server nginx ? Ok, lets go. Basically, Merb/Sinatra uses thin (based on eventmachine) server module, so it is working as stand-alone application. So, there is a way to connect nginx with these applications. Very simple - all you need to proxy requests to ... http://blog.sosedoff.com/2009/07/04/how-to-deploy-sinatra-merb-applications-with-nginx/ !!! CONSIDER THIS AS AN UPDATE:Rails-like PHP Url Router Here is simple url parser, that produces output parameters lile: controller, action, parameters. Also, it support simple virtual key rules, "rails" style. For example, url like "http://foo.bar/book/view/12" will produce parameters: controller = book, action = view, id = 12. Here is php ... http://blog.sosedoff.com/2009/07/04/simpe-php-url-routing-controller/ First, we need to install all dependencies: # yum install gettext-devel expat-devel curl-devel zlib-devel openssl-devel Next, get the git 1.6.x sources: # wget http://kernel.org/pub/software/scm/git/git-1.6.3.3.tar.gz Then, unpack and cd into git sources folder and install it: # make && make install & make clean That`s it, now you`ll have git system ready to go. http://blog.sosedoff.com/2009/06/28/install-git-on-centos-52/ Ruby has very powerful tools to create random jabber bots with XMPP protocol. In this article i`ll show just a small sample with a few commands available. I got xmpp4r-simple library from Google Code page - http://code.google.com/p/xmpp4r-simple/. Its kinda old, not updated since 2006, but the sources are really easy ... http://blog.sosedoff.com/2009/05/20/jabber-bot-with-ruby/ Here is a simple example how to make native WebDAV client with Ruby sockets. No additional gems or extensions needed - just all basic classes. class WebDAV attr_reader :host, :port, :protocol, :chunk_size @socket = nil def initialize(host,port=80,protocol='HTTP/1.1',chunk=8096) @host = host.to_s @port = port.to_i @protocol = protocol @chunk_size = chunk.to_i end def build_header(method, path, content_length=nil) header = "#{method} #{path} #{@protocol} \r\n" header ... http://blog.sosedoff.com/2009/05/02/webdav-client-in-ruby/