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Wednesday, 28 July 2010 13:06 |
Inspired by http://snippets.dzone.com/posts/show/6839
class Hash
def to_array_conditions
[self.keys.map{|k| "#{k} = ?" }.join(" AND "), self.values].flatten
end
end
test "convert hash conditions to array conditions" do
assert_equal ['city = ? AND country_code = ? AND state = ?',
"Adendorf", "DE", "Niedersachsen"], {
:country_code => "DE",
:state => "Niedersachsen",
:city => "Adendorf"
}.to_array_conditions
end
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Wednesday, 28 July 2010 10:14 |
If you are struggling with a toothache, you know how painful it is. The agony of a toothache can be so troubling that you are not able to focus on anything else. Here I am going to show you the 12 hour toothache cure.
Bacterial infection is the cause of most tooth pain. There are many ways to increase the risk of a painful toothache, one of which is habitual eating.
Make a mixture of a little black pepper powder and salt. Apply gently to the infected tooth and gums. You'll feel better nearly instantly, and utilizing it every day can strengthen gums and keep them from bleeding.
Lemon is also effective in curing toothache. If you like the lime test, apply it to the cavity and you will forget the pain within minutes. It's also good for your body too.
To alleviate toothache, chew on a raw onion for 3-5 minutes until you get pain relief. Onion has some bactericidal properties which left no bacteria behind it.
Chewing spinach leave can also give you tooth ache relief - it will make your gums stronger and fight against bad breath. Mix around five grams of peppermints with a cup of water and drink it, and you will feel relief from toothache. In the morning before you eat anything else, you can also try chewing the leaves of the guava tree. This works for all kinds of tooth pain.
Above are the simple yet effective home remedies to stop a toothache. Read more: |
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Wednesday, 28 July 2010 07:45 |
Started to use python for some system stuff and wanted to be able to test it with the rest of the code.
The ant plugin is an EZ way to shell out from pom.xml
org.apache.maven.plugins
maven-antrun-plugin
test
run
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Tuesday, 27 July 2010 13:00 |
Here a very tiny web server
Warning! stop_browser() must be complete...
require 'socket'
require 'thread'
#################### Tiny embeded webserver
class Webserver
def info(txt) ; puts "nw>i> #{txt}" ; end
def error(txt) ; puts "nw>e> #{txt}" ; end
def unescape(string) ; string.tr('+', ' ').gsub(/((?:%[0-9a-fA-F]{2}))/n) { [$1.delete('%')].pack('H*') } ; end
def initialize(port=7080,cadence=10,timeout=120)
@last_mtime=File.mtime(__FILE__)
@port=port
@timeout=timeout
@th={}
@cb={}
@redirect={}
info("serveur http #{port} ...")
@server = TCPServer.new('0.0.0.0', @port)
@server.setsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR, true)
info("serveur http #{port} ready!")
observe(cadence,120)
Thread.new {
begin
while (session = @server.accept)
Thread.new(session) do |sess|
@th[Thread.current]=Time.now
request(sess)
@th.delete(Thread.current)
end
end
rescue
error($!.to_s)
end
}
end
def serve(uri,&blk)
@cb[uri] = blk
end
def observe(sleeping,delta)
Thread.new do loop do
sleep(sleeping)
nowDelta=Time.now-delta
l=@th.select { |th,tm| (tm l.each { |th,tm| info("killing thread") ; th.kill; @th.delete(th) }
end ; end
end
def request(session)
request = session.gets
uri = (request.split(/\s+/)+['','',''])[1]
#info uri
service,param,*bidon=(uri+"?").split(/\?/)
params=Hash[*(param.split(/#/)[0].split(/[=&]/))] rescue {}
params.each { |k,v| params[k]=unescape(v) }
uri=unescape(service)[1..-1].gsub(/\.\./,"")
userpass=nil
if (buri=uri.split(/@/)).size>1
uri=buri[1..-1].join("@")
userpass=buri[0].split(/:/)
end
do_service(session,request,uri,userpass,params)
rescue
error("Error Web get on #{request}: \n #{$!.to_s} \n #{$!.backtrace.join("\n ")}" ) rescue nil
session.write "HTTP/1.1 501/NOK\rContent-type: text/html\r\n\r\nDZone Snippets | NewsError : #{$!}" rescue nil
ensure
session.close rescue nil
end
def redirect(o,d)
@redirect[o]=d
end
def do_service(session,request,service,user_passwd,params)
#info "request='"+service+"'"
redir=@redirect["/"+service]
service=redir.gsub(/^\//,"") if @redirect[redir]
if redir && ! @redirect[redir]
do_service(session,request,redir.gsub(/^\//,""),user_passwd,params)
elsif @cb["/"+service]
begin
code,type,data= @cb["/"+service].call(params)
if code==0 && data != '/'+service
do_service(session,request,data[1..-1],user_passwd,params)
else
code==200 ? sendData(session,type,data) : sendError(session,code,data)
end
rescue
puts "Error in get /#{service} : #{$!}"
sendError(session,501,$!.to_s)
end
elsif service =~ /^stop/
sendData(session,".html","Stopping...");
Thread.new() { sleep(0.1); stop_browser() }
elsif File.directory?("./"+service)
sendData(session,".html",makeIndex("./"+service))
elsif File.exists?(service)
sendFile(session,service)
else
info("unknown request serv=#{service} params=#{params.inspect} #{File.exists?(service)}")
sendError(session,500);
end
end
def stop_browser
info "exit on web demand !"
@serveur.close rescue nil
exit!(0)
end
def makeIndex(dir)
dirs,files=Dir.glob(dir=="./" ? "*" :dir+"/*").sort.partition { |f| File.directory?(f)}
updir = dir.split(/\//)[0..-2].join("/")
dirs=[updir]+dirs if updir.length>0
"Repertoire #{dir}
#{to_table(dirs.map {|s| ""+s+"/"+""})}
#{to_tableb(files) {|f| [LICON[rand(LICON.size)],""+File.basename(f)+"",File.size(f),File.mtime(f).strftime("%d/%m/%Y %H:%M:%S")]}}"
end
def to_table(l)
"#{l.map {|s| "| #{s} | "}.join(" ")}
"
end
def to_tableb(l,&bl)
"#{l.map {|s| "| #{bl.call(s).join(" | ")} | "}.join(" ")}
"
end
def sendError(sock,no,txt=nil)
if txt
txt="#{txt}"
end
sock.write "HTTP/1.1 #{no}/NOK\rContent-type: #{mime(".html")}\r\n\r\n Error #{no} : #{txt} "
end
def sendData(sock,type,content)
sock.write "HTTP/1.1 200/OK\rContent-type: #{mime(type)}\r\nContent-size: #{content.size}\r\n\r\n"
sock.write(content)
end
def sendFile(sock,filename)
sock.write "HTTP/1.1 200/OK\rContent-type: #{mime(filename)}\r\nContent-size: #{File.size(filename)}\r\n\r\n"
File.open(filename,"rb") { |f| sock.write(f.read) }
end
def mime(string)
MIME[string.split(/\./).last] || "data-octet-stream"
end
LICON="☀☃☎☑☑☠☣☮☺☂".split(/;/).map {|c| c+";"}
MIME={"png" => "image/png", "gif" => "image/gif", "html" => "text/html","htm" => "text/html",
"js" => "text/javascript" ,"css" => "text/css","jpeg" => "image/jpeg" ,"jpg" => "image/jpeg" ,
"pdf"=> "application/pdf" , "svg" => "image/svg+xml","svgz" => "image/svg+xml",
"xml" => "text/xml" ,"xsl" => "text/xml" ,"bmp" => "image/bmp" ,"txt" => "text/plain" ,
"rb" => "text/plain" ,"pas" => "text/plain" ,"tcl" => "text/plain" ,"java" => "text/plain" ,
"c" => "text/plain" ,"h" => "text/plain" ,"cpp" => "text/plain", "xul" => "application/vnd.mozilla.xul+xml"
}
end # 130 loc webserver :)
Use it with :
$ws=Webserver.new(7007,1,120)
$ws.serve "/index" do |params|
[200,".html","hello!"]
end
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