Much has been written about theory and practice in the law, and the tension between practitioners and theorists. Judges do not cite theoretical articles often; they rarely "apply" theories to particular cases. These arguments are not revisited. Instead the Essay explores the working and interaction of theory and practice, practitioners and theorists. The Essay starts with a story about solving a legal issue using our intellectual tools - theory, practice, and their progenies: experience and "gut." Next the Essay elaborates on the nature of theory, practice, experience and "gut." The third part of the Essay discusses theories that are helpful to practitioners and those that are less helpful. The Essay concludes that practitioners theorize, and theorists practice. They use these intellectual tools differently because the goals and orientations of theorists and practitioners, and the constraints under which they act, differ. Theory, practice, experience and "gut" help us think, remember, decide and create. They complement each other like the two sides of the same coin: distinct but inseparable.

Of Theory and Practice

With the speeding up of global information pace, the security of network information is becoming an increasingly serious problem. As the related course of information security, cryptography turns into a basic and important course of Computer Science and Technology Specialty in universities. Based on an intensive study of this course, this paper probes into the effective teaching method of cryptography as well as the selection of textbook. The paper begins from designing theoretic and experiment teaching model, and then puts these models into practice. Thirdly, the paper provides corresponding assessment means to these models. Lastly, the paper puts the models into practical teaching and they are turned out to be effective and be of reference value. Streszczenie. W artykule omowiono metody uczenia kryptografii. Przedstawiono teoretyczne i eksperymentalne doświadczenia oraz zaproponowano praktyczne przyklady nauczania kryptografii. (Nauczanie kryptografii na specjalnościach technika komputerowa i technologia).

Teaching Research on Cryptography in Computer Science and Technology Specialty

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Teaching Research on Cryptography in Computer Science and Technology Specialty