Monthly Archives: May 2014

Questions every good PHP Developer should know

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Find Longest Palindrome in a string

Find longest palindrome in a string. Brute Force: N^3 Below Method by Dynamic Programming is N^2. Video for below method: There is another algorithm called Mancher’s Algorithm which is in linear time. Note that here since we are dealing … Continue reading

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In computer science, ACID (Atomicity, Consistency, Isolation, Durability) is a set of properties that guarantee that database transactions are processed reliably. In the context of databases, a single logical operation on the data is called a transaction.

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Ajax and XMLHttpRequest

Ajax – an acronym for Asynchronous JavaScript and XML)[1] is a group of interrelated Web development techniques used on the client-side to create asynchronous Web applications. With Ajax, Web applications can send data to, and retrieve data from, a server … Continue reading

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