Hi Samuel, You are very generous! The SMC and OLAP topics sound great. I've already bought my ticket though :)
David Sent from my iPad > On Feb 12, 2014, at 8:02 AM, Samuel Pelletier <[email protected]> wrote: > > Hi Everyone, > > Today is the last day for discounted WOWODC registration. If you are still > not decided, I would like to know the presentation subject that would > encourage you to buy a ticket. > > Personally, I can present many things, I can easily switch my planned one and > add a second one. You may answer to the list or send a private email with > your suggestions. If you do not really know, I propose you write about your > challenges or question about future development. It is not easy to figure out > the best subjects. > > > Some subject I can talk about because I spend a lot time on these subjects in > the last years: > > - Compare different type of applications, pros/cons, main challenges of each > style. I would talk about Web (HTML), Web 2 (HTML+Ajax), Native browser > (Javascript app like GWT, Sproutcore, etc), tethered mobile (require a active > link to server like Facebook) and untethered mobile (works offline and sync > like the Notes and Contacts apps on iPhone). > > - How to build a synchronization protocol for untethered mobile application > and between remote system. I spend the last decade building those, the first > full mobile order taking app was running on a Palm Tungsten W with GPRS radio > and we transmitted orders to a SAP system for next day delivery back in 2003. > > - Intregation of SMC, a Java state machine library, with an EOF entity to > extends an EO with a state machine. > > - KAccessControl, my base framework for user authentification and access > control. I use it for all my component based apps. > > - A PDF generation server that create pdf from HTML using WebKit and the > MacOS pdf printing API. This server embed custom fonts and svg vector > graphics and support all the Safari CSS for advanced typography control. I > added support for header/footer, variable subsitution for page number and > total number of pages and add a way better page break management supporting > the CSS page-break-inside: avoid and page-break-after: always attributes. I > have a WO class to handle all the works, you pass a component to get a PDF. > This server can be use with anything, it implements a basic HTTP server that > receive a URL for the HTML to convert. > > - A library of base class for a in memory OLAP engine I wrote. This is very > technical and require writing Java classes for each cube but the speed is > awesome. I use it to load 4.5 millions invoice lines for interactive > reporting. You can have any result for query like "sum of sales (qty and > amount) grouped by salesman for a specific period" in few ms and use only > about 600MB of ram. Data loading from a Frontbase table including the index > build time for the Java cube was about 40 seconds. > > - Setting up a high availability scalable hosting environment using a service > based setup like Red Hat Cluster. Each component of the environment is > isolated inside a service with it's software requirement, replication or sync > tools, startup scripts, etc. By using this structure, a simple single server > setup can grow easily by running some services on a new machine. If > replication is implemented, a standby server can be setup always with up to > date code and data allowing a very small downtime server switch. > > > Hope to see you in WOWODC > > Samuel > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/programmingosx%40mac.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
