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Use Python for data analysis: This book is a detailed version of Python's pandas package. Learn this to master some basic pandas commands. However, this is not the point, because pandas is too slow to produce a large amount of data and may collapse (I don't know if there is any improvement now-!) The point is, through studying this book, I feel a little about the data operation and am familiar with the basic data operation process. All the operations in this book can be replaced by native Python, and Pandas package is not needed. Finding feelings is very important.Public abstract class AbstractCalculator {珠光璀璨2. Use Migration Learning to Protect New ProductsThe full name of JOP is Jump-oriented programming, and attacks are similar to ROP attacks. It also exploits existing code snippets in binary executables for attacks. ROP uses ret instructions to change the control flow of the program, while JOP attacks use indirect jump and indirect call instructions (indirect call instructions) to change the control flow of the program. When a program executes an indirect jump or an indirect call, The program will obtain the destination addresses of its jumps from the specified registers. Because these jump destination addresses are stored in the registers and the attacker can modify the contents of the registers by modifying the contents of the stack, this allows the destination addresses of indirect jumps and indirect calls in the program to be attacked by the attacker.愤怒之下，她也顾不得脏话不脏话了，连二太太都撕下那温良的面皮，骂她老村妇，骂孙子野杂种，她还装什么斯文。刑警我妻谅介一向奉行以暴制暴的原则，由于其凶暴的行事风格，他在警察局里被视为异端。毒贩子柄本被杀，我妻负责侦破此案。年轻的菊地是我妻的搭档，两人却根本合不来。我妻追查到了青年实业家仁藤以及杀手清弘与此事有关，却不料他的同事兼好友岩城正是这个贩毒网在警察局的内线。