Monthly Archives: November 2011

Memory Usages

At a command line, type df -a This will list each device and usage information. You might find df -h more readable, since it gives quantities in Gb or Mb, etc. http://superuser.com/questions/71087/how-to-check-the-current-disk-space-used-by-my-linux Use some combination of the commands and options: … Continue reading

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naming convention

Classes : Class names should be nouns, e.g. class Raster; class ImageSprite Methods : Methods should be verbs, e.g. run(); runFast(); getBackground(); Variable names should be short yet meaningful Ref : http://www.oracle.com/technetwork/java/codeconventions-135099.html#367

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setting git

Setting Git : Step 1 Check for SSH keys. Have an existing key pair? You can skip to Step 4. First, we need to check for existing ssh keys on your computer: $ cd ~/.ssh Step 2 Add your SSH … Continue reading

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setting cron job

for running a url after every 10 min in crontab -e */10 * * * * /usr/bin/lynx http://server/?command=execute&filename=nodejs/commitsolr.js -dump > /dev/null   REf:

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gettting start with neo4j

Ref : http://www.infoq.com/articles/graph-nosql-neo4j very good article of making table http://markorodriguez.com/2011/06/15/graph-pattern-matching-with-gremlin-1-1/ use this to create tinker grap and use the commands : good one https://github.com/tinkerpop/gremlin/wiki/Getting-Started          

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to create ssh configurations

ssh-keygen -t rsa check with ssh localhost  Ref :    

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Login form in node.js with session mangement

connect( connect.cookieParser() , connect.session({ secret: ‘keyboard cat’, cookie: { maxAge: 60000 }}) , connect.favicon() , function(req, res, next){ var sess = req.session; if (sess.views) { res.setHeader(‘Content-Type’, ‘text/html’); res.write(‘<p>views: ‘ + sess.views + ‘</p>’); res.write(‘<p>expires in: ‘ + (sess.cookie.maxAge / 1000) … Continue reading

Posted in Node.js | 2 Comments