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Creating Offline Web Applications With Dojo Offline by Brad Neuberg (SitePen), September 23rd, 2007 This tutorial steps you through creating offline web applications using Dojo Offline. What is Dojo Offline? Dojo Offline is an open-source toolkit that makes it easy to create sophisticated, offline web applications. It sits on top of Google Gears, a plugin from Google that helps extend web browsers with new functionality. Dojo Offline makes working with Google Gears easier; extends it with important functionality; creates a higher-level API than Google Gears provides; and exposes developer productivity features. In particular, Dojo Offline provides the following functionality: An offline widget that you can easily embed in your web page with just a few lines of code, automatically providing the user with network feedback, sync messages, offline instructions, and more A sync framework to help you store actions done while offline and sync them with a server once back on the network Automatic network and application-availability detection to determine when your application is on- or off-line so that you can take appropriate action A slurp() method that automatically scans the page and figures out all the resources that you need offline, including images, stylesheets, scripts, etc.; this is much easier than having to manually maintain which resources should be available offline, especially during development. Dojo Storage, an easy to use hashtable abstraction for storing offline data for when you don't need the heaviness of Google Gear's SQL abstraction; under the covers Dojo Storage saves its data into Google Gears Dojo SQL, an easy to use SQL layer that executes SQL statements and returns them as ordinary JavaScript objects New ENCRYPT() and DECRYPT() SQL keywords that you can mix in when using Dojo SQL, to get transparent cryptography for columns of data. Cryptography is done on a Google Worker Pool thread, so that the browser UI is responsive. Integration with the rest of Dojo, such as the Dojo Event system
]]>Rseven archives all the data recorded by your phone into a website. As your phone documents your daily activities, Rseven website shows your life journey in a timeline and displays the strength of your relationships with the people that you communicate with". Rseven mobile client on the phone collects the data from the phone and uploads them to the Rseven.com website. The Rseven mobile client also synchronizes the phone's contacts
Flickr présente l'inconvénient majeur de ne pas permettre une sauvegarde/export globale des données, alors même que Exporter les images est facile, mais le problème principal demeure: comment sauvegarder les métadonnées ajoutées aux photographies. Conserver les métadonnées dans les images même et non dans un fichier externe. C'est le sens de la règle d'or posée par Erwyn Van Der Meer, l'auteur de l'outil Flickr Metadata Synchr, listé plus haut, dans un article où il fait un point très clair et synthétique sur les formats et la façon dont Flickr les utilise (ou pas): "Store the metadata in your images!" De quelles métadonnées parle-t-on? * celles enregistrées par l'appareil (digital) au moment où la photographie est prise (informations techniques); format de référence: EXIF * celles ajoutées manuellement (en particulier les mots-clés / tags); formats: IPTC (plus) et XMP(plus), le second plus récent et traitant l'unicode.
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SpiderOak offers a different approach to online backup by combining a suite of services into one consolidated tool - free online backup, synchronization, sharing, remote access, and storage. This difference is further measured in our zero-knowledge privacy policy - the first one ever employed in this setting. Our flexible design allows you to handle data from any operating system (Mac, Windows and Linux) or location (external drives, network volumes, USB keys, etc...) using just one centralized account.
IDrive offers 2GB of free online backup space without any backup and restore restrictions or bandwidth limits or file type restrictions.
]]>Permet une synchronisation unidirectionnelle ou bidirectionnelle de répertoires, locaux ou distants (par ssh, ou simple socket). Donc vous pouvez modifier des fichiers dans les deux répertoires, Unison s'occupe de les synchroniser. Quand il ne parvient pas à résoudre les conflits, il vous propose des choix. En mode unidirectionnel, ça remplace sans problème rsync. Il est multiplateformes (on peut synchroniser entre Win/Linux/etc.), économe (ne transfers que les parties modifiées d'un fichier, et fait des transfers compressés), sûr (vous pouvez l'arrêter en plein milieu d'une synchro avec très peu de risques de perte). Fonctionne en ligne de commande ou avec une interface graphique (GTK). Même la version ligne de commande est claire et simple à utiliser. Si vous avez besoin d'autres logiciels de synchronisation, voir égalemenbt Wikipedia, DeltaCopy ou cwRsync.
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Dropbox lets you synchronize and share 2GB of your files, photos and music for free.
With CalDAV support in Google Calendar, you'll be able to view and edit your Google Calendar events directly in other calendar applications, such as Apple iCal or Mozilla Sunbird. Any changes you make in other calendar applications will automatically appear in Google Calendar the next time you sign in (and vice versa). If you use other calendar applications while offline, changes you make will be saved and updated in Google Calendar when you get back online.
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