Yearly Archives: 2011

Ideas for 2012

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Pour les Bibliothèques de Genève (université et municipales):
Faire un catalogue/recherche unique
Simplifiquer la page d’accueil
Ouvrir la médiathèque les mêmes horaires que les bibliothèques
Automatiser le check-out et check-in (façon self-service, comme par exemple à Winterthur)
Ouvrir catalogue de e-books (voir par exemple New York City Library)
Permettre le check-in et check-out dans n’importe quel succursale, mettant en place une service pour remettre les livres à la bonne bibliothèque (voir exemple la Oulu Library, Finlande)

For all contactless card providers:
Allow a personal and multi-service card/watch/key-ring/phone. Why not use the same device to open the door at the work place, to get the lift in the ski resort, to show I’ve the Abonnement General, to pay the public transport and any small amount grocery, to even open the door of my home. See examples in South Korea, Singapure or Hong-Kong.

For payment system providers:
Embbed an fingerprint reader in a payment card/device. And create self-service payment terminal for restaurants and other businesses. Tired of making the waiter/shop keeper to wait do some easy task of entering the amount, pass the card, wait I press the code and then both wait for a receipt.

Noite do dia

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Já falta menos de dois meses para que os dias cresçam.

Na Finlândia por esta altura o dia dura apenas 8horas: das 8 às 16. E cada dia tem 6min e meio a menos de duração. A depressão aumentava ao mesmo ritmo.

“Elle”

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Moi et “Elle”, en attendant le bateau pendant le tour de Suisse Nord-Sud avec Eva

Disparu, aujourd’hui. Passage des Grottes, Genève. “Elle”, mon vélo. Cinq ans durant elle m’accompagna: plusieurs milliers de kilomètres, plusieurs cols alpins. La criminalité à Genève est là, pour plus qu’on essaie de la ignorer.  Heureusement j’étais en train de me décider pour une nouvelle “Elle”. Le destin m’a aidé.

Note: “Elle” parce qu’en portugais vélo/bicicleta est féminin et j’utilise toujours de façon erroné ce genre pour parler de lui.

Desvio padrão no Excel

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Hoje E queria saber qual das funções de desvio padrão ela deveria usar em Excel. Para ter a certeza, nada melhor que comparar com o desvio padrão calculado à mão.

Depois veio a questão de como fazer um somatório de uma função em Excel…
Não é tão simples assim, mas lá se descobriu:

Keywords for the search engines: summation; excel; standard deviation; formula