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今天在做数据库连接练习的时候自己创建的工程突然出现了一个红色的感叹号,然后运行自己写的代码的时候出现找不到主类的错误!!! 我还以为是自己不小心写错了,然后让编译器自动生成代码也出现了一样的问题... 无奈之下搜了一下百度 原来是我之前用的第三方jar包版本有更新的,然后就删了前面的换了新的 结果之 阅读全文
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在用Pycharm做Pygame游戏小实战的时候碰到一个很无语的问题 如下 什么鬼?????? 我明明有写settings模块啊 而且还是放在同一个目录下 然后Pycharm给我来了一个错误 而且在dos窗口运行的时候No Problem 虽然不会有什么问题 但是你一个红色的提示在那里让我很不舒服 阅读全文
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最近在自学Python,然后终于到了项目实战的时候了,而且还是做一个游戏,热情直接被调动起来了,嘿嘿 首先要安装一个Pygame 环境 win7 先去 这里 下载对应Python的Pygame版本 如果不对的话会有问题 (具体是啥我也不知道,毕竟没有碰到) ps:需要注意的是 32位的pygame不 阅读全文
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Description In a k bit 2's complement number, where the bits are indexed from 0 to k-1, the weight of the most significant bit (i.e., in position k-1) 阅读全文
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Description The 2D-Nim board game is played on a grid, with pieces on the grid points. On each move, a player may remove any positive number of contig 阅读全文
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Description Nahid Khaleh decides to invite the kids of the "Shahr-e Ghashang" to her wedding anniversary. She wants to prepare a square-shaped chocola 阅读全文
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Description A single positive integer i is given. Write a program to find the digit located in the position i in the sequence of number groups S1S2... 阅读全文
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Description We have received an order from Pizoor Communications Inc. for a special communication system. The system consists of several devices. For 阅读全文
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Description A factory produces products packed in square packets of the same height h and of the sizes 1*1, 2*2, 3*3, 4*4, 5*5, 6*6. These products ar 阅读全文
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Description "Kronecker's Knumbers" is a little company that manufactures plastic digits for use in signs (theater marquees, gas station price displays 阅读全文