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0 There are two ways to trigger a delegate: delegate instance. Invoke (parameter list), delegate instance (parameter list)Factory method modes are divided into the following three types:　　之前无线曾在k100节目上向观众承诺将在华视《包青天之五鼠闹东京》单元播毕后播出续集，为不惹口舌之嫌，无线遂立即在香港组织人员开拍港版《包青天》，并高价请来狄龙演出包公。该剧一拍就是80集，共有16个单元。每个单元有充满传奇色彩，而当中发生的奇案都涉及法理与人情，每个主角的背後都藏有一段不为人知的过去。而且因为弃用了台湾制作班底，使得港剧更像一部香港古装涉案剧，少了鬼怪神话因素，彻底将包大人凡人化，因此，该剧一经播出，也获得了不错的收视。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.周大清楚地感受到，尹旭并未因为身份的变化而变得高高在上，依旧是那样的平易近人。For example, some common outsourcing companies receive a project, Then the received project may be the person in charge of the project or the manager level of the company. After receiving the project, the manager does not develop it himself. Leave it directly to the project manager for development, The project manager is certainly not willing to develop it himself. Oh, It will hand over the project to the following code farmers to do, So the coder handles it, If the code farmers don't handle it, Then the project may be directly suspended, but after the final completion, the outsourcing company does not know who developed that part of these projects. It does not know or care about it. What it cares about is that the project has been handed over to the outsourcing company and has been developed without any bugs. Therefore, the advantages of the responsibility chain mode lie here:秦淼道：我带了人来的，不用你送。