Ijaz Ahmed wrote:
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... It is just like a college without student, if there is no newcomer.

...If you assume this IS a college for students. Its a FORUM, or place for meeting and discussion, NOT a college or place of instruction. It is a place where many experts meet to discuss their techniques and occasionally help beginners and people with specific, well stated problems. All we ask is that those who request our help do so within the limits of the rules posted.

Steve