Monthly Archives: January 2011

Cuentos Completos de Onetti

Tenía varios días leyendo el volumen con los cuentos completos de Juan Carlos Onetti. Desde el excelso prólogo de Antonio Muñoz Molina, hasta Bichicome -el último de los cuentos-, he apreciado con fervor, a veces con fanatismo, toda esta literatura. Puedo señalar, en orden, algunos cuentos favoritos: Jacob y el otro, El álbum, La cara […]

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Izgnanie

Izgnanie (The Banishment). De Andrei Zvyagintsev. 2007. Ya antes hablamos de El Regreso, otra obra maestra de Zvyagintsev. Izgnanie también es colosal, y quiero destacar esta escena en particular, con los niños armando un rompecabezas: la alegoría religiosa, en todo el contexto de la escena, es decididamente magistral, sublime y memorable. Es una de las escenas […]

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Modifying the TCP Acknowledgement Mechanism

El primer libro de un amigo mío, ya disponible en Amazon.com: Modifying the TCP Acknowledgement Mechanism: An Evaluation and Application to Wired and Wireless Networks by Andrés Arcia-Moret. Andrés es amigo, estudiante, docente, investigador, usuario de Mac, padre de familia, serio candidato a gurú universal de la computación. Doy fe de su calidad profesional y humana. […]

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Love is a mystery

Ludovico Einaudi con Love is a mystery, tema de Dr. Zhivago, y música que este servidor ama.

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Why adding people to a late software project makes it later?

That statement is known as Brooks’s Law, and it was coined by the renowned computer scientist and software engineer Frederick P. Brooks. Concretely, the original statement found in his 1975 classic The Mythical Man-Month is “adding manpower to a late software project makes it later”. Basically, the idea is that adding more analysts, designers or […]

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An E(x)tern Newbie Question

I want to know how to declare a const variable in one file and access it from other files? (C++). It’s a fairly basic question, and reveals that you have to study more C++. What you want is to define a const variable at global scope. Unlike non-const variables (which are extern by default), const […]

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Reentrant Routine

A routine or procedure P is reentrant (or pure code) if it can be “re-entered” after it is already in execution. Basically, it means that P can be executed two or more times simultaneously, or alternatively, that P can be safely executed concurrently. There are some conditions P must follow in order to be reentrant, […]

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Calculus of resonances in an uniform acoustic tube

We assume that the glottal end is closed, but the mouth is open. This is the configuration we are referring to: The acoustic tube is uniform, and its length is L. The glottis, located at x=-L, is closed (infinite impedance) and the mouth, located at x=0, is open (impedance zero). Now, pressure variation p(x) along […]

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3-1

Y que gane fuera el Betis y el Barça en casa. Joan Manuel Serrat (Caminito de la Obra)

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The Nightmare before Christmas

Improbable que unos días antes de Navidad se encuentre usted inmerso en los ajustes finales de un salvapantallas (protector de pantallas/screensaver). Su salvapantallas utiliza OpenGL para el renderizado, y corre en Windows. Flujos lógicos perfectamente sincronizados, compiladores felices, arte gráfico hermoso. Prueba A superada. Prueba B superada. El problema apareció en la prueba N. En […]

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