big thank you to all the people of manning involved in the process of making this book for guiding us all the way through our thanks also go to ravishankar rajagopalan for giving the manuscript full technical proofreadand to jonathan thoms and michael roberts for their expert comments there were many other reviewers who provided invaluable feedback throughout the processalvin rajarthur zubarevbill martschenkocraig smithfilip pravicahamideh irajheather campbellhector cuestaian stirkjeff smithjoel kotarskijonathan sharleyjorn dinklamarius butucmatt colematthew heckmeredith godarrob aglescott chausseeand steve rogers first and foremost want to thank my wife filipa for being my inspiration and motivation to beat all difficulties and for always standing beside me throughout my career and the writing of this book she has provided me the necessary time to pursue my goals and ambitionand shouldered all the burdens of taking care of our little daughter in my absence dedicate this book to her and really appreciate all the sacrifices she has made in order to build and maintain our little family also want to thank my daughter evaand my son to be bornwho give me great sense of joy and keep me smiling they are the best gifts that god ever gave to my life and also the best children dad could hope forfunlovingand always joy to be with special thank you goes to my parents for their support over the years without the endless love and encouragement from my familyi would not have been able to finish this book and continue the journey of achieving my goals in life xiv