Hello Friends,I am seeking for a job in php having 9 months. exp.Please suggest any company openings.

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Binary tree question - Node has numeric data (int) The function takes depth as argument and sum all the value of the node of the depth. For instance, (0) depth 0 / \ 10 20 depth 1 / \ / \ 40 50 60 70 depth 2 so if you pass get_sum(2), you would return 220 which is 40+50+60+70 (sum of depth2) write the function.

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what is the scope of php in the future if any other language is developed then may be php is loss ???

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can you give me an example code of calling java script function in php variable using AJAX.or with out ajax??????

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sort term descripttion form, report and uery

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What are the security measures we have to take for our site not to hack by others?

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4 down vote favorite share [g+] share [fb] share [tw] I am developing my site using server side sessions using redis as backend for saving the session. Now the issue which is bothering me is of user leaving the website without logging out. I mean user simply closes the browser which causes the cookie to be deleted. Now session of that user still exists on the server and will not be used again as new login requires creating a new session due to security reasons. To avoid the case where hacker steals the old cookie and use it after user login again with same old session id. In essence user leaves the website without explicitly logging out and his session will be deleted after certain time limit of inaccessibility. I am thinking time limit of 30-60 minutes. Also with every new request from user his cookie will also be updated to keep track of when the user last time accessed the site. But nowadays, people let site remain open for long time without accessing it. For example users open facebook and gmail in new tabs and forget about them for 2-3 hours and still they are not asked to login again. Is letting a 2-3 hours old cooke access the session secure? My concern is someone steals user cookie and use it 2-3 hours later. Thinking on this topic has also forced me to question how facebook manages security if user can use a session where they are not accessing it for long periods of time and still they remain logged in. Or is it not secure for me to keep logged in when am not accessing the site session for longer period of time? It can be the case also there is some pinging mechanism using which sites keep track of user having their site open in a browser and when browser closes they are notified and can work accordingly. My website is a social network and needs all those security and usage features which a social network may need. I am new to web security and web development in general and may be the case where my above questions may seem a little basic. If you feel that is the case kindly point to some good reference where I can read and find answers to my question.

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what is constructor

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What is instantiation?

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What is session and Cokkies . How it works . tell some thing about Session_id()

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Which is better php praogramming or cad/cam scope wise and also salaray wise?

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what is mean by portal

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Maine 12th ke bad 2 years ka web designing ka course kiya hai. Php me achcha hu. Ek fresher ko is field me kitna mil sakta hai ?

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why did u want to leave your past organisation?

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What is Different between Joomla And Magento?

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