Bayrou on Rails

Un événement qui se passe de commentaires mais dont ce blog se devait de parler.

On remarque au passage que les lettres composant Ruby sont un sous-ensemble de celles de Bayrou.

Féliciations Ollivier et Thomas !

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Flash: (don’t) click here to download plugin

The dreaded “Download plugin” icon

Here’s above the cute, user-friendly icon I get when visiting web sites such as Google Video, Youtube, Dailymotion, Google Analytics… and countless others, including all blog posts with an embedded video. Needless to say, clicking on the icon doesn’t yield anything other than a “sorry, your operating system is not supported” message.

Continue reading Flash: (don’t) click here to download plugin

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Train Simulator 2.0, blog inclus

Il n’y a pas que l’administration française qui se met au goût du jour ; après avoir abandonné Train Simulator 2 l’an dernier, suite de Train Simulator (le seul logiciel Windows que j’utilise vraiment), Microsoft change finalement d’avis et remet le couvert.

Signe des temps (et du label 2.0 peut-être), l’annonce officielle fournit directement les adresses des blogs de cinq des développeurs :

(merci à Olive de m’avoir re-lancé sur la piste qui avait trop vite disparu du haut de ma TODO-list)

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Administration 2.0

L’administration vient de lancer un nouveau site web au nom évocateur : www.administration24h24.gouv.fr, pour que tous les geeks puissent accomplir leurs démarches administratives sans quitter leur ordinateur.

Un parcours rapide montre que ce nouveau service est principalement un répertoire (le terme de portail semble déjà ringard) organisé des nombreux services en ligne déjà existants de l’administration, qui permettra certainement d’améliorer leur visibilité.

Cerise sur le gâteau, c’est un site exploitant du logiciel libre.

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De record en record jusqu’à V150

Depuis 1954, à l’exception d’un intermède allemand en 1988 avec l’ICE, c’est la France qui a détenu le record mondial de vitesse sur rail sur infrastructure classique (le Maglev japonais est un cas à part).

Continue reading De record en record jusqu’à V150

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Encore un coup de pédale

Pédale électronique et son boitier

Vous vous souvenez sûrement de l’objet mystérieux. Mystère élucidé : il s’agit bien d’un autre type de pédale, à fonctionnement électronique (détection par courants de Foucault).

Elle comporte deux éléments, un sur chaque rail, légèrement décalés (celui de droite n’est pas visible ici), ce qui permet de détecter le sens de passage d’une circulation.

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La tête aux carrés

Gare de Lyon, 18 janvier 2007, quai des voies 15 et 17.

Foin des sempiternelles séquences voie libre/sémaphore/avertissement/voie libre ou carré/voie libre/carré, voici une succession en gare attrapée sans préméditation et mettant en scène des voisins de nos fidèles carrés 204 et 205 : les carrés 209, 210 et 228.

Continue reading La tête aux carrés

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X25 : 1976 – 2007 ?

Comme le signale Stéphane, l’UIT (union internationale des télécommunications), dans un accès de générosité voire de lucidité, vient de mettre en accès libre (libre comme dans bière gratuite) l’ensemble de ses normes.

Par un joli clin d’oeil de l’histoire, cela s’est réalisé via… Internet, le réseau informatique tant honni par cette honorable institution détentrice du savoir universel en matière de réseaux de télécommunications.

Cette ouverture nous donne accès à beaucoup de protocoles délicieusement surannés et, en un sens, signe la défaite d’un certain nombre d’entre eux. En particulier celle du bon vieux X25, autrefois ennemi juré de TCP/IP, dont le titre complet de la norme ne s’invente pas : INTERFACE ENTRE ÉQUIPEMENT TERMINAL DE TRAITEMENT DE DONNÉES ET ÉQUIPEMENT DE TERMINAISON DE CIRCUIT DE DONNÉES POUR TERMINAUX FONCTIONNANT EN MODE PAQUET ET RACCORDÉS PAR CIRCUIT SPÉCIALISÉ À DES RÉSEAUX PUBLICS POUR DONNÉES.

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Wikipedia ferroviaire

Deux pointeurs rapides sur des sections thématiques de Wikipédia FR consacrées au ferroviaire :

Et leurs équivalents dans le Wikipedia anglophone :

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A naive look at search engines from a blog newbie

Opening a blog is a good opportunity to discover and rediscover how the main search engines work nowadays to get their information: long gone are the days when Altavista was the only major search engine.

It is also a good way to try and find out some of the reasons why a blog is a bit peculiar compared to a generic web site.

In particular, most blogs or news sites rely on technologies called RSS (for Really Simple Syndication) or Atom to provide a standard format for automated engines to know about available articles or posts; they’re called syndication formats. Most blog-specialized engines are based on the use of syndication formats; that’s the main point that makes them different from generic search engines. However, RSS was invented for news sites years before the word blog came into wide use; hence the difference between a blog and a web site is not as clear-cut as it may seem.

Continue reading A naive look at search engines from a blog newbie

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voie libre ou appel système