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In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.No matter whether your goal is to practice speaking well or any other goal, no matter whether it is a big goal or a small goal, there is no shortcut to cultivate one's morality and motivation. It must be a hard work and a harvest. First of all, you must open the door to self-change and have a strong will. Then, by constantly learning the correct principles, insisting on practice and deliberately practicing, the principle theory on paper will be internalized into behavior habits.Dark mode. The color information of each channel and the mixed pixel color are examined, and the darker one is selected as the mixed result. The brighter pixels will be replaced by the darker pixels, while the darker pixels will not change.In the "Parameters" tab of the "Block Writing Palette", click "Flip Parameters" again, AutoCAD? The command window at the bottom prompts "Specify parameter position or [name (N)/label (L)/description (D)/palette (P)]", captures and clicks on the corner below the triangle on the graphic; The command window then prompts "Specify the endpoint of the projection line" and drags the mouse vertically for a certain distance before clicking the mouse. The command window prompts "Specify Tag Position" and clicks again nearby.Imagine that this scarf should be a good accessory in autumn and winter, so keep one for yourself first.女主从古董店买了面镜子。这是面有魔力的镜子，能通过镜子穿越时空。镜子把女主带回到过去。对于穿越，女主很是抗拒，不断想着要回到自己的世界里，但女主不知道怎么使用镜子，而且还需要一块手表才能回去。每个人都怀疑她是谁、从哪儿来，只有男主和他的母亲知道真相。在这个未知的世界里，女主遇到男主，并坠入爱河。最后，镜子碎了...... 是留在过去和男主在一起，还是回到自己原来的世界? 女主该如何选择?随着流民的到来，城池的修建也逐步加快。