C#技术内幕
全书共14章,每章分为两个部分,全面覆盖了C*语言基本的数据类型、编程概念知识,以及委派、事件、映射、公用语言运行环境库等特色之处,还对 Windows编程时常接触到的数据库、图形图像编程、线程等进行了实例讨论。
全书共14章,每章分为两个部分,全面覆盖了C*语言基本的数据类型、编程概念知识,以及委派、事件、映射、公用语言运行环境库等特色之处,还对 Windows编程时常接触到的数据库、图形图像编程、线程等进行了实例讨论。
visual studio .net 使用技巧手册(中文版)vsnettt_infoq_chinese.pdf
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Unit 1 The Permit………………………………………1 许可证 因生活困苦,我不得不离开家乡去外国打工。我把大部分钱都寄给了妻子和父母。然而不久,政府要求我们必须有工作许可证才能继续打工。后来,我们就遭遇到种种无理待遇…… I think the building must have been used as a farmer's winter store, for I found piles of forgotten dried chestnuts and grain in rotting barrels. I tried the chestnuts but they tasted sour, Paulo said he would bring me food, but that was three days ago. Yesterday, I heard a car engine getting closer, and climbed up to hide in the beams of the patched roof. But the men just looked in quickly through the worn-out windows and broken doors before they left. I clung to the dusty wooden beam, feeling it would bend under my weight, and tried to make no noise. My arms and legs grew numb, then began to tremble. I longed to move, but I waited until I heard the policemen drive off.
历年试题: 一. 编译原理 (中科大试题,对计算所考生较有参考意义) 1997年编译原理试题 1.(10分)某操作系统下合法的文件名为 device:name.extension 其中第一部分(device:)和第三部分(.extension)可缺省,若device, name和extension都是字母串,长度不限,但至少为1,画出识别这种文件名的确定有限自动机。 2.(20分) a. 下面的二义文法描述命题演算公式,为它写一个等价的非二义文法。 S—> S and S | S or S | not S | p | q | (S) b. 下面文法是否为LL(1)文法?说明理由。 S—> A B | P Q x A—> x y B—> b c P—> d P | ε Q—> a Q | ε 3.(10分)某些语言允许给出名字表的一个属性表,也允许声明嵌在另一个声明里面,下面文法抽象这个问题。 D —> attrlist namelist | attrlist (D) namelist —> id, namelist | id attrlist —> A attrlist | A A —> decimal | fixed | float | real