Middle Ages
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Transitioning from Sequential Programming to Concurrent Programming in the Ticket Sale Example
Stanford / Computer Science
Transitioning from Sequential Programming to Concurrent Programming in the Ticket Sale Example, Problems with the Sequential Model, Threading Interface, Rewriting the Ticket Example to Use It, Adding a Randomized Threadsleep Call to the Threads to Make the Time Slices Used by the Different Threads Less Uniform, Sample Output of Our Ticket Threads, How a Thread Can be Interrupted in the Middle of a Nonatomic Operation, How Multithreading Ca...more
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Professor Diamond continues the second lecture on the vascular system beginning with a closer look at the middle cerebral artery, its composition and function, as well as its relationship with other areas of the brain. The second set of the more distinctive arteries are the vertebral arteries, which supply about 25% of the brain's blood supply. After covering how the vascular system relates to the spinal cord, Professor Diamond moves onto ...more
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For a venture capital firm, the time they choose to invest in a company is important. At Mayfield Fund, Roberts explains, they either like to come in early and get a reasonable ownership of the company or take the less risky path of entering at a later stage. However, it is hard to invest in a middle stage deal where money requirements are higher and the concept has not yet been proven.
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Census data is often politically influenced and hence inaccurate. The birthrate in developing countries is nearly twice that in developed countries. Most humans live in less developed countries, so the world birthrate is near the higher number. The world birthrate is two and a half times the death rate; we are not close to population stabilization. Almost everywhere, the death rate has been drastically reduced; further changes will not mas...more
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Professor Kleiner discusses the development of Third Style Roman wall painting in late first century B.C. villas belonging to the imperial family and other elite patrons. Third Style painting, as Professor Kleiner demonstrates, is characterized by departure from the perspectival vistas and panoramas of the Second Style toward an attenuation of architectural elements and a respect for the inherent flatness of the wall. The Third Style remai...more
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In this lecture, Professor Donald Kagan tells the story of the emergence of the polis from the Dark Ages. He shows that by the time of the poet Hesiod, there is already a polis in place. He describes the importance of the polis in the Greek world and explains that it was much more than a mere place of habitation; it was a place where there was justice, law, community, and a set of cultural values that held Greeks together. Finally, Pro...more
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This lecture focuses on the middle zone of Inferno, the area of violence (Inferno XII-XVI). Introductory remarks are made on the concentration of hybrid creatures in this area of Hell and followed by a close reading of cantos XIII and XV. The pilgrim's encounter with Pier delle Vigne (Inferno XIII) is placed in literary context (Aeneid III). The questioning of authority staged in this scene resurfaces in the circle of sodomy (Inferno XV), ...more
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The course is an introduction to Dante and his cultural milieu through a critical reading of the Divine Comedy and selected minor works (Vita nuova, Convivio, De vulgari eloquentia, Epistle to Cangrande). An analysis of Dante's autobiography, the Vita nuova, establishes the poetic and political circumstances of the Comedy's composition. Readings of Inferno, Purgatory and Paradise seek to situate Dante's work within the intellectual and soc...more
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Genetics controls evolution. There are four major genetic systems, which are combinations of sexual/asexual and haploid/diploid. In all genetic systems, adaptive genetic change tends to start out slow, accelerate in the middle, and occur slowly at the end. Asexual haploids can change the fastest, while sexual diploids usually change the slowest. Gene frequencies in large populations only change if the population undergoes selection.
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In this lecture, Professor Donald Kagan explores the earliest history of Greek civilization. He demonstrates how small agricultural enclaves eventually turned into great cities of power and wealth in the Bronze Age, taking as his examples first Minoan Crete and then Mycenaean Greece. He also argues that these civilizations were closely related to the great monarchies of the ancient Near East. He points out that the Mycenaean age eventually...more
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In this lecture, Professor Kagan addresses what scholars call the Homeric question. He asks: what society do Homer's poems describe? He argues that in view of the long oral transmission of the poems, the poems of Homer probably reflect various ages from the Mycenaean world to the Dark Ages. More importantly, close scrutiny of the poems will yield historical information for the historian. In this way, one is able to reconstruct through the ...more
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The nineteenth century in Europe is, in many ways, synonymous with the rise of the bourgeoisie. It is misleading, however, to consider this newly dominant middle class as a homogenous group; rather, the century may be more accurately described in terms of the rise of plural middle classes. While the classes comprising this group were united by their search for power based on property rights rather than hereditary privilege, they were other...more
