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The First Appearance of Web 2.0It is hard to pinpoint the moment of Web 2.0’s emergence – because there was not one. The was no release of a single new technology. There was no single economic insight or business model that completely disrupted existing markets. There was no industry consortium that defined a new standard. If forced to pick a moment, perhaps Google’s IPO will serve historically as the marker – in the same way that Netscape’s IPO’s is often used to signify the birth of the dot com era. At any rate, at some point over the past 12 to 18 months several factors have aligned and a there is now recognition that the companies and web services that are moving the internet market today share many common characteristics.
Formally, “Web 2.0” as a label was first used by Tim O’Reilly and Dale Dougherty of O’Reilly Publishing. The story goes that the two were brainstorming about the shared characteristics of today’s successful internet companies compared with the characteristics of the pre-dotcom bubble companies of 2000. Their brainstorming led to the birth of a conference – Web 2.0 (http://www.web2con.com/web2con/), which was held in October of 2004. The evolution of internet focused companies and services in the 13 months since that conference have helped to reinforce – and extend - their observations.
Web 2.0 Characteristics
Ultimately, Web 2.0 is an industry buzzword. Like any buzzword, it’s usefulness can be debated because they are easily mis-used and misunderstood. For me, it is best to think of “Web 2.0” as aYour First Cup of Web 2.0 - A Quick Look at jQuery, Spring MVC, and XStream/JettisonThat's the first thing that popped into my head after learning about jQuery earlier this year. jQuery is a powerful yet unobtrusive JavaScript library with a lousy name. It's concise, very readable syntax has me exciting about writing JavaScript again. It's unobtrusiveness makes it easy to add rich behavior—such as background form submissions—to web applications with very little modification of existing code. Being unobtrusive is particularly important when you are working with a large code base, or where extensive refactoring just isn't going to get funding. My boss is not going to give me 4 weeks to go back and add some visual goodness to an existing site. But I might get 4 hours, and that's where jQuery can help.
As a simple example, imagine an automobile search function that returns results based on a vehicle Model. Enter text into the field, click submit, and the results are displayed. The JSP might look like:
After the user enters a name and clicks submit, the entire screen turns white while the page refreshes and then the results are displayed. This is not a good user experience. Now, let's use jQuery to improve that experience by refreshing only the part of the page that actually needs to change. The modifications made to the existing page are:
1. Split the search form and search results into 2 separate JSPs so the results can be displayed separately, without having to re-render the search form.
2. Add a placeholder DIV on the search form JSP to hold the searchProxima DLP Projector Users Guide ManualPositioning the projector 8 Projector and Device Connector Guide 9 Computer connections 9 Video connections 9 Connecting a computer source 12 Required computer connections 12 Optional computer connections 12 Displaying a computer source image 13 Adjusting the image 14 Using the projector with Windows 98 for the first time 15 Connecting a video device 17 Video device connections 18 Composite video connection 18 S- video connection 18 VGA connection 19 Displaying video 20 Adjusting the image 20 Shutting down the projector 22 Troubleshooting your setup 22 Using the remote control
Using the audio 31 Using the keypad buttons 32 Optimizing computer images 33 Presentation features 33 Optimizing video images 34 Customizing the projector 34 Using the menus 35 Picture menu 36 Settings menu 39 Maintenance 42 Cleaning the Lens 42 Replacing the Projection Lamp 42 Cleaning the Lamp Housing Screens 44 Using the security lock 44 Appendix 45 Projected Image Size 45 Red LED Behavior and Projector Errors 45 card that is included with the projector. For complete details on connecting and operating the projector, refer to this Users Guide.
Download pdf Proxima DLP Projector Users Guide ManualPerformance Modeling for Dynamic Algorithm SelectionAdaptive algorithms are an important technique to achieve portable high performance. They choose among solution methods and optimizations according to expected performance on a particular machine. Grid environments make the adaptation problem harder, because the optimal decision may change across runs and even during runtime. Therefore, the performance model used by an adaptive algorithm must be able to change decisions without high overhead. In this paper, we present work that is modifying previous research into rapid performance modeling to support adaptive grid applications through sampling and high granularity modeling. We also outline preliminary results that show the ability to predict differences in performance among algorithms in the same program.
Grid environments [1] present novel performance challenges, adding variability to many characteristics of high performance code. Heterogeneous platforms and varying network performance mean that the best algorithm for an application may change between runs of an application, and even during execution.
Adaptive algorithms, developed to support portable performance in libraries, present an excellent opportunity to deal with these challenges by switching algorithms based on runtime information. To choose the optimal algorithm, a performance prediction must be made based on this information and the performance characteristics of the candidate algorithms. Because it is important to keep the combined overhead of measurement, modeling, prediction, and adaptation low, current time-consuming modeling techniques are not suitable for grid environments. We propose using a combination of ongoing research into rapid performance modeling and new development of a general adaptive algorithm framework to support exploration of portable performance onVisual Studio Tools for Office Sample ChapterNow that we have considered the basic pattern of the Office object models, let us consider how developers pattern and build their Office solutions. There are three patterns that most solutions built using Office follow.
• Office automation executable
• Office add-in
• Code behind an Office document
An automation executable is a program separate from Office that controls and automates an Office application. An automation executable can be created with development tools such as Visual Studio .NET 2005. A typical example is a stand-alone console application or Windows Forms application that starts up an Office application and then automates it to perform some task. To start a solution built this way, the user of the solution starts the automation executable that will in turn start up the Office application. Unlike the other two patterns, the automation code does not run in the Office process but runs in its own process and talks cross process to the Office process being automated.
An add-in is a class in an assembly (DLL) that Office loads and creates when needed. An add-in runs in process with the Office application rather than requiring that a separate process from the Office application is running. To start a solution built this way, the user of the solution starts the Office application associated with the add-in. Office detects registered add-ins on
Download pdf Visual Studio Tools for Office Sample ChapterWeb 2.0 HandoutsDuring the 25 years that I have delivered professional development activities for educators, I have always tried to model the technologies and techniques that I was teaching. In recent years, the efforts have had less to do with specific technologies, software products, services, and much more to do with philosophies where learning happens as part of continuing and multi-dimensional conversations among learners and teachers, and others on the Net. This is what the emerging new web, web 2.0 has done to my vision of education.
I have long abandoned the print handout, using it only under those conditions where they are expressly requested by the people who pay me for my services. Otherwise, I point to my web site at the beginning of the presentation demonstrating links to web pages that provide a variety of digital resources for the topic at hand. Until recently, these have been static html documents or pages that were derived from content management systems.
The first time that I installed a wiki engine on my web server and produced a web page that could be edited by any visitor to that page, I saw this as the perfect vehicle for providing access to digital content for my workshop participants within the context of education as conversation philosophy mentioned above.
Fairly early in the evolution of my wiki handouts, I selected MediaWiki (http://mediawiki.org/) as the engine for my online handouts. Its robustness, richness, availability of various extensions that have been developed by an open-source community of programmers, and security3ds Max 2008 Shortcut Guide pdfHere a lot of short key for 3ds Max 2008: Bevel Mode Shift + Ctrl + B Snaps To Grid Alt + B Alt Copy/PasteAxis Constraints Toggle Alt Ctrl + D + F3 DetachLevel Paste Opposite Edge D, + D, Align Use G Border ToggleVerts 3 (slash) SoundTo View Copy/Paste - Paste Alt ++ E Edit UVW’s Ctrl V Align Mode V + Ctrl + C ChamferTool Shift + I SpacingList Shift F Ctrl Fix Graphs Alt + Ctrl + F+ A Filter Selected Faces Alt + + Attach Shift Connect Shift + Ctrl + E Spot/Directional Light View Shift M Move All - Collapse Alt ++ +4 A Freeze Selected Ctrl +F Attach Shift Constrain to Edges Toggle Shift Shift UI Sub-object Selection Ctrl Get Biped Alt Play Face Selection From Stack MainV +++BX + Ctrl + F Auto Smooth A Cut View Alt + C + Ctrl Get Mode Alt Reset All Limb Keys Faces Alt + K+ Ctrl + B + P Top Selection From T + Shift
Bevel Shift Edge In Transform Size Toggle Level Gizmo 2 (minus) + E Hide Settings Ctrl B Scale Selected Alt Ctrl Adaptive Degradation Down O ++ H Transform Bevel ElementLevel 5 (equals) + Ctrl + L Load Alt Shift Set Animation Range Align UVWGizmo Size Up Alt + R Transform = +A Border Level 3 Extrude - Toggle Biped Shift + B Lock selected Space+ Trackbar Mode vertices Keys Alt + T E Break Shift Angle SnapGizmo Toggle ADefeating the Stack Based Buffer Overflow Prevention Mechanism of Microsoft Windows 2003 ServerThis paper presents several methods of bypassing the protection mechanism built into Microsoft’s Windows 2003 Server that attempts to prevent the exploitation of stack based buffer overflows. Recommendations about how to thwart these attacks are made where appropriate. Introduction Microsoft is committed to security. I’ve been playing with Microsoft products, as far as security is concerned, since 1997 and in the past year and a half or two I’ve seen a marked difference with some very positive moves made. In a way they had to. With the public relations crisis caused by worms such as Code Red Microsoft needed to do something to stem the flow of customers moving away from the Windows OS to other platforms.
Microsoft’s Trustworthy Computing push was born out of this and, in my opinion, I think we as consumers are beginning to see the results; or ironically not see them - as the holes are just not appearing as they would if the security push wasn’t there. We have, of course, seen at least one major security hole appear in Windows 2003 Server, this being the DCOM IRemoteActivation buffer overflow discovered by the Polish security research group, the Last Stages of Delirium [http://www.lsd-pl.net]. We will see more; but I am confident that the number of security vulnerabilities that will be discovered in Windows 2003 Server will be a fraction of those found in Windows 2000. Acknowledging that there have been holes found and that, yes, more will come to light inThe fine Art of Commenting“Commenting is a royal pain in the posterior” - “Comments are for weenies” - “I can understand my code quite well, thank you very much” - “Good code speaks for itself” - “No time for that, got to get that code out of the door”. Admit it, you have said some thing along these lines at least once during your coding career. Maybe you even now still are in this kind of frame of mind. Negative attitudes towards commenting may have several reasons:
Programmer's hubris
Lazyness
No time left for documentation due to deadline constraints
None of these is a good reason for not commenting source code properly. We will look at these arguments, discuss them and take a look at good commenting practice and its benefits. As SharpDevelop is intended to be an IDE for all languages supported by the .NET platform – and others, if support is available – this text will not discuss language specific commenting issues. Knowledge of all languages referred to is not necessary for the understanding of this paper.
Programmer's Hubris
A good programmer is always a programmer with something of a well developed ego. Nothing is impossible, everything is easy to understand. So much for theory. In practice, reality checks are in order from time to time. Do you understand all your code after not looking at it for, say, a year? Is legacy code left to you to maintain always obvious at first look, or even after a few weeks of scrutiny? Truth is, most of the timePrepare for the ModBook pdf reviewsApple Macintosh | Review | Get ready for a big surprise! Do you want to start a revolution? Well, I am not talking about overthrowing your government or anything similar, but about a technological revolution. If you have something in mind, you’d better do it incredibly quickly, or you’ll miss the Macworld Expo! Of course that a lot of companies are prepared for this big event, and since Apple says it’s going to be a Macworld to remember, we have to believe them and wait just a little longer until the 9th day of the year… Axiotron, a well known hardware solutions manufacturer, and Other World Computing announced that they will be present at Macworld to reveal “the first ever” Mac tablet solution to the world.
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