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Web Content Adaptation to Improve Server Overload BehaviorWEB-. Techniques. , vol. 3, no. 5, pp. 45{52, May 1998. 8] R. T. Fielding and G. Kaiser, The apache http server project,". IEEE-Internet-Computing
Web Content Adaptation to Improve Server Overload Behavior Tarek F. Abdelzaher Nina Bhatti Real-Time Computing Laboratory Hewlett Packard Laboratories EECS Department, Univeity of Michigan 1501 Page Mill Road Ann Arbor, Michigan 48109{2122 Palo Alto, CA 94304 zaher@eecs.umich.edu nina@hpl.hp.com Abstract This paper presents a study of web content adaptation to improve server overload perfor- mance, as well as an implementation of a web content adaptation software prototype. When the request rate on a web server increases beyond server capacity, the server becomes over- loaded and unrespoive. The TCP listen queue of the servers socket overows exhibiting a drop-tail behavior. As a result, clients experience service outages. Since clients typically issue multiple requests over the duration of a session with the server, and since requests are dropped indiscriminately, all clients connecting to the server at overload are likely to experi- ence connection failures, even though there may be enough capacity on the server to deliver all respoes properly for a subset of clients. In this paper, we propose to resolve the overload problem by adapting
DownloadImporting Microsoft Access tables to SAS DatasetsThere are several ways to import Microsoft Access tables into SAS. They are as follows:
1) Using SAS/ACCESS to ODBC:
1) SAS/CORE, SAS/BASE and SAS/ACCESS interface to ODBC licensed and installed at your site.
2) The Microsoft Access ODBC driver must be installed and configured on your PC.
3) Use the following code to read the Microsoft Access file into a SAS dataset. Libname sasuser ‘c:foo’;
Proc SQL;
Connect to ODBC (prompt);
Create table sasuser.TEST
As select * from connection to ODBC
(select * from tablename);
disconnect from odbc;
quit;
- ‘Prompt’will activate a pop-up window where you can choose your data source name. Alternatively, you can use ‘DSN=’in the parenthesis and specify your data source name.
- ‘sasuser.TEST’ is the name of the SAS dataset you will create from this query.
- ‘tablename’must be the specific unit of data that we are reading.
For Microsoft Access the DSN references the database(.MDB file), and the ‘tablename’refers to the table in the database.
Download pdf Importing Microsoft Access tables to SAS DatasetsTHE COMPLETE GUIDE TO MODDING AND CUSTOM PCsliquid cooling system you should be able to overclock ... active cooling.
Keep your cool. If you were the unfortunate demonic minion that Satan
THE COMPLETE GUIDE TO MODDING AND CUSTOM PCs BEN HARDWIDGE Cooling > Your PC has to be cooled efficiently. This will prevent it from locking up, and extend the life of your components. > Your PC has to be cooled efficiently. This will prevent it from locking up, and extend the life of your components. Cooling integrated circuit would double every 18 months. This has pretty much held true until now, and with so many traisto getting packed into such a small space, it's inevitable that more and more heat is produced. Cooling is a problem with PCs today, but it can be used to your advantage if you twist it in the right ways. Exceed the basic cooling requirements of your chip, and you can overclock it even further; with a liquid cooling system you should be able to overclock it to a ridiculous level. On the other end of the scale, if you're not interested in making your PC faster, you can certainly cut down on the amount of noise that your PC produces by fitting quieter alternative coole to your CPU and graphics card. Either way, your PC still has to be cooled efficiently, as this
Download PDFBuilding the Avanade® Software Lifecycle Platform using Visual Studio 2005 Team SystemWhy build a Software Development Lifecycle solution based on Visual Studio Team System?
Avanade has over 2500 solution developers worldwide focused on the .NET platform that work with customers to integrate Microsoft technologies in heterogeneous enterprise IT environments. As we execute large and complex projects, building mission-critical applications with geographically distributed teams, we have little room for error - the success of the project depends on how accurately we can estimate and deliver on the engagement. To this end, we are constantly looking for ways to improve consistency and repeatability of our development process and thus increase the productivity of our project teams. In other words, our project execution must be industrialized. Industrialization is about being predictable, repeatable, consistent, and high-quality.
The goals for ACA® Lifecycle can be summarized as follows:
Provide an easy to provision consistent development environment that facilitates execution of projects across a geographically distributed team.
Integrate the development methodology into the development environment.
Integrate project management tools with the development environment.
Customize the development environment and enact Avanade prescriptive guidance in the development toolset.
Visual Studio® Team System (VSTS) offers a rich environment for project execution that can be customized to meet the goals outlined above. VSTS provides integrated version control, reporting, work item tracking, process guidance, and automated build capabilities. Our approach is to use VSTS as the foundation upon which to build the Avande software development lifecycle asset. Figure 1 shows an overview of ACA® Lifecycle.
Download pdf Building the Avanade® Software Lifecycle Platform using Visual Studio 2005 Team SystemDeepening the Chasm: Web 2.0, Gaming, and Course Management SystemsDuring the past decade, a gap has appeared between higher education and the rest of the digital world. While academia has moved a great deal of content and activity into course management systems, the World Wide Web has developed a new architecture, usually dubbed “Web 2.0.” Around this time computer gaming has grown into a vital, global industry. Course management system(s) (CMS) have supported a very different world of computermediated communication, and nearly a decade of institutional and individual practice has deepened the difference. We argue that CMS are going to make some efforts to cross that chasm in the near future, but the overall gap is likely to persist.
We can glimpse the chasm’s current depths by outlining these two recent cybercultural movements. First, at this point in the World Wide Web’s existence, the quantitative successes of Web 2.0 are wellknown. The blogosphere continues to double in size, now aiming for 100 million active blogs. The wiki world booms, from the rise of Google’s wiki platform (Google Docs) to Wikipedia’s steady expansion (2,389,339 articles in English, as of this writing). Podcasting also grows. According to one measure, 18.5 million people listened to podcasts in 2007, an amount likely to break 30 million by the end of this year. Web 2.0based social networkingF-Secure Mobile Anti-Virus for Smartphone Users Guide ManualThis Guide Is Organized Conventions Used in F-Secure Guides Chapter 1 Introduction 13 1.1 F-Secure Mobile Anti-Virus 1.2 Key Features Chapter 2 Installation 15 2.1 System Requirements 2.2 Installing F-Secure Mobile Anti-Virus 2.2.1 Direct Installation 2.2.2 Installation Using Your Computer 2.3 Uninstalling F-Secure Mobile Anti-Virus Chapter 3 User Interface 19 3.1 Main View 3.1.1 Main View Buttons 3.1.2 Main Menu Chapter 4 Startup and Shutdown 23 4.1 Starting F-Secure Mobile Anti-Virus 4.1.1 First-Time Start-Up (Activation) 4.1.2 Normal Start-Up 4.2 Shutting Down F-Secure Mobile Anti-Virus 4.3 Hiding the User Interface Chapter 5 Configuration 31
5.1 Overview 5.2 Setting Configuration Options Chapter 6 Virus Scan 33 6.1 Overview 6.2 Scanning Options 6.3 Running a Manual Scan 6.4 Viewing Scan Results 6.4.1 Viewing List of Not Scanned Files 6.4.2 Viewing Details of Not Scanned Files Chapter 7 What to Do If a Virus Is Found 41 7.1 Overview 7.2 Viewing Details of Infected Files 7.3 What to Do If a Virus Is Found Chapter 8 Updating 45 8.1 Overview 8.2 Viewing Update Information 8.3 Updating F-Secure Mobile Anti-Virus 8.3.1 Automatic Updates 8.3.2 Manual Updates Chapter 9 Troubleshooting 49 9.1 Questions and Answers 9.2 Unable to Connect to Update Server/Update Failure 9.3 Update Service Could Not Authenticate Your Smartphone 9.4 Service Has Expired or About to Expire 9.5 Virus Definition Database Corrupted or Missing and Virus Protection Not Updated.. 53 Technical Support 65 Overview Web-Based Support Electronic Mail Support About F-Secure Corporation
Download pdf F-Secure Mobile Anti-Virus for Smartphone Users GuideMiniView USB G-CSIO2U G-CSIO4U Owners Manual pdfMiniViewTM: USB KVM switch, a revolutionary new KVM design from IOGEAR. Recognizing the importance of USB for small office & home office users, we’ve combined four downstream USB ports and a standard HDB-15 video port into a single KVM switch that fits right on your desktop. Now you can use the MiniViewTM: USB to share a monitor and four USB devices between two (G-CS102U) and four (GCS104U) computers. Connect a USB keyboard, USB mouse and two other USB devices – any USB devices. Scanners, Zip Drives, Printers and all other USB compliant devices will work with the MiniViewTM: USB.
If four USB devices aren’t enough, connect a USB hub to one of the shared ports and expand your USB capacity. Because the MiniViewTM: USB is platform-independent, you can use it with Macs and PCs. Your only limitation is the software support for your USB peripherals. Rest assured, though, that if your peripherals will work with a Mac and a PC, they’ll work with the MiniViewTM: USB as well. We sincerely hope you enjoy using your new MiniViewTM: USB. If you have any questions or comments regarding this product, or any other IOGEAR products, please feel free to contact us. Full contact information is available on the Contacting IOGEAR page in this manual.
Download MiniView USB G-CSIO2U G-CSIO4U Owners Manual pdfDemystifying Web 2.0Nearly all Web 2.0 applications started life as consumer-focused services, only later finding their way into the enterprise. But unlike many consumer ‘toys’, Web 2.0 actually delivers impressive benefits to the enterprise, including:
Streamlining collaboration within and beyond the enterprise
Accelerating search and information retrieval
Capturing knowledge assets and facilitating knowledge transfer
Speeding application development and deployment
Communicating with stakeholders in new ways
Some of these benefits are ‘soft’. Others are quantifiable. But all have combined to earn the attention of line-of-business managers and IT strategists alike. Web 2.0 is here to stay.
In fact, it’s now evolving into Enterprise 2.0 – the application of Web 2.0 technologies to workers using network software within an organization
Every new technology introduced into the enterprise brings with it new threats. Web 2.0 is no different, with threats including:
Infection and downtime – caused by viruses, worms, Trojans and spyware specifically carried by Web 2.0 applications
Data leaks – as staff members get lulled into a false sense of security, or intentionally share things they shouldn’t share
Legal prosecution – for illegal activities or regulatory breaches
Productivity loss – as users spend more time on blogs and social networking sites than on work
Resource waste – as servers and networks become congested with frivolous multimedia content
Reputation damage – as any of the above abuses hit the headlines
These threats may look similar to the threat landscape associated with Web and email use in general. But the unique nature of Web 2.0 technologies demand a new understanding and new defenses
At Clearswift, we’ve been helping enterprises protect themselves againstWhat It’s All About: Visual Basic Express Takes a BowVisual Basic Express is the only popular computer programming language available today. By popular, I mean “for the people” — novices, small-business people, amateurs — anyone other than professional programmers. VB Express is the language for the rest of us. There are far more small-business people, beginners, and enthusiasts than there are professionals, just as amateur cooks outnumber professional chefs. That’s why VB Express’s predecessor, Visual Basic, was for a decade the world’s most popular computer language by a wide margin.
Small-business people need an efficient, understandable programming language to write quick utilities to solve problems unique to their work. A surfboard maker may often need to calculate polyester catalyst ratios, or dad might want to write up a quick history quiz to help with Laura’s homework. A hobbyist may enjoy creating a coin collection management program. Whatever your personal needs, knowing how to program a computer — and thus how to perfectly customize its behavior — is a useful and often enjoyable skill.
Download pdf What It’s All About: Visual Basic Express Takes a Bow56K Analog Modem User's ManualFax Modem Installation CD is an installation utility for USB Data / FAX / TAM Analog Modems. It automatically detects and installs recently installed modem hardware under Windows OS. This utility includes Install Driver, Install Software Utilities, User Manual and Readme four sections. Click Install Driver to start analog modem device driver installation process. Install Software Utilities includes “FAXTALK Communicator SE” (all modem software driver installation program), FAXTALK NetOnHold (modem software driver installation program for modems with Hold-on-Call feature), Adobe Reader and Panda Platinum Internet Security 2008. User Manual includes this user’s manual and specs for all modems this utility supports. Readme includes modem software driver locations and modem hardware installation instructions.
USB Analog Modem
1) Connect modem and PC with USB cable.
2) Plug one end of RJ-11 cable into modem’s LINE jack and the other end into telephone wall jack.
Modem Software Driver Installation Procedures
Insert FAX Modem Installation CD into CD-ROM drive then window below will appear.
Download pdf 56K Analog Modem User's Manual