YOU CAN EDIT THE REGISTRY AND CREATE A RESTORE

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Tài iệu Photoshop cs5 by Dayley part 116 pdf

TÀI IỆU PHOTOSHOP CS5 BY DAYLEY PART 116 PDF

Chapter 26: Animating in the Animation (Timeline) Panel847 FIGURE 26.14Fading out the Adjustment layer is the difference between night and day.Animating Layer StylesAnimating Layer styles is the most diverse of the animation capabilities in Photoshop. Animating position or opacity changes just one setting of the layer selected, but there are ten different layer styles. Every time you change the setting of any one of these styles, you can create a keyframe. Use the styles one at a time or together, or bring styles in and out at will. Adjusting layer styles is the capability to animate a mind-boggling amount of special effects.Layer styles can be added to a layer by clicking the Layer Styles icon (the fx) at the bottom of the Layers panel and choosing a style from the list. When you select a layer style, the Layer Styles dia-log box opens. From the dialog box, you can edit the properties of the layer style you selected and select additional layer styles, as shown in Figure 26.15.Cross-RefThe individual Layer Styles and their settings are covered in detail in Chapter 21. nAfter you add a layer style, click the Time-Vary Stopwatch next to the style property. Adjust the current time indicator, and double-click the layer style in the Layers panel to bring up the Layer Styles dialog box again. Making any change in the Layer Style dialog box—such as adjusting the settings, adding a style, or deleting the style—creates a new keyframe. If you are over an existing keyframe, the changes you make to the layer style change the settings for that keyframe.In Figure 26.14, I created an Adjustment layer over the lion and animated it by fading the opacity. You can fade the opacity of a layer style, but not using the opacity setting in the Layers panel. You need to set the opacity of the style in the Layer Style dialog box.37_584743-ch26.indd 84737_584743-ch26.indd 847 5/3/10 10:49 AM5/3/10 10:49 AMPart VIII: Working with Video and Animation848 FIGURE 26.15The Layer Style dialog boxMost of the time, animating layer styles is just plain fun. By animating a bouncing ball in conjunc-tion with animating an inner glow, you can create the illusion of breaking a light bulb out of the
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Thủ thuật Sharepoint 2010 part 42 pdf

THỦ THUẬT SHAREPOINT 2010 PART 42 PDF

268 ❘ CHAPTER 10 admiNisteriNg sharePoiNt 2010 With WiNdoWs PoWershellthe section “Disposing of SharePoint Variables” at the end of this chapter. Notice that we are calling the Get-SPManagedAccount command to retrieve an SPManagedAccount object, which is required for the AppPool account. You can see what managed accounts you have by using the Get-SPManagedAccount command with no parameter, as shown in Figure 10-22.FIGURE 1022Now that you know how to create a web application using the SharePoint commands, it would be useful to learn how to remove an SPWeb application. It probably comes as no surprise that to remove a web application, you use the Remove-SPWebApplication command. This command requires you to select a specific web application, which prevents the deletion of multiple applications at once. Figure 10-23 shows how to remove the web application you just created.FIGURE 1023Notice how PowerShell is smart enough to prompt you before it destroys your precious information. Yes, there is a way to “override” this helpful prompt, but we will leave that as an exercise for read-ers who want to learn enough about PowerShell to change this setting and take responsibility for the consequences. We don’t need any midnight phone calls when you accidentally delete your web application.Working with Site CollectionsThe site collection level is where life gets interesting, for a number of reasons. First, since the 2003 version of SharePoint there has been a disconnect between the way the site collections are referred to in the Administration UI and object model. Next, the objects that you will be working with in this section require the proper disposal; otherwise your application might just start to hiccup, or worse.Using SharePoint Commands ❘ 269Let’s start by clarifying that a site collection is represented in the SharePoint object model as an
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adobe flash cs5 on demand part 22 pptx

ADOBE FLASH CS5 ON DEMAND PART 22 PPTX

replace the strokes and fills of the shape directly beneath it. Grouping your artwork prevents this from happening. You can also use grouping to combine several shapes into one group so you can manipulate them simultaneously. You can ungroup artwork or objects that have been grouped by using the ungroup option or by breaking them apart. Doing so removes the bounding box and the artwork can be freely edited.Creating GroupsGroup Artwork on the Same LayerSelect the artwork on the Stage that you want to group with any of Flash's selection tools or methods.Click the Modify menu, and then click Group.TIMESAVER Press A+G (Mac) or Ctrl+G (Win) to quickly group selected objects or artwork.Ungroup ArtworkSelect the artwork on the Stage that you want to ungroup.Click the Modify menu, and then click Ungroup.TIMESAVER Press Shift+ A+G (Mac) or Shift+Ctrl+G (Win) to
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BÀI TẬP ÔN TẬP CƠ SỞ DỮ LIỆU SQL

BÀI TẬP ÔN TẬP CƠ SỞ DỮ LIỆU SQL

Create an Delete Trigger named ‘tgDeleteAll’ on the Flight table to prevent you from deleting a row has Aircarft_code =’9W01’ and display a notice ‘You can not delete’ 10.. Create a stor[r]

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Tài liệu Thiết kế flash với flash cs5 part 20 docx

TÀI LIỆU THIẾT KẾ FLASH VỚI FLASH CS5 PART 20 DOCX

ptgWorking with Groups, Symbols, and InstancesIntroductionAll vector objects are editable. As the complexity of your doc-ument increases, you can protect artwork from being inad-vertently changed by storing it in special modes called groups and symbols. Groups provide a quick way to seal a shape by storing it in a bounding box that can only be edited by entering a group editing mode. Groups are created on the Stage and are not stored anywhere else. For items that are more global to your movie, you can convert them into sym-bols. The basis for interactivity and animation in Flash resides in its use of these reusable objects. You can create artwork and then save that artwork as a symbol that is stored in the Library of your Flash document. Symbols are an efficient way to build your movies because you can reuse these assets as instances on the Timeline, and Flash will only store it in your file once. Apply ActionScript to control a movie clip symbol instance and to add interactivity, place art inside of button symbols to create hit states, or apply a variety of transparency and color effects to instances on the Stage. The Library stores all of the reusable art and objects in your movie including symbols, sounds, video clips, bitmaps, and components. It can be organized and sorted for easy access to your movie's assets. A Library can also be shared with other Flash documents. 44What You’ll DoCreate Groups
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Secure PHP Development- P153 ppt

SECURE PHP DEVELOPMENT- P153 PPT

</Directory>738 Part VI: Tuning and Securing PHP Applications29 549669 ch22.qxd 4/4/03 9:27 AM Page 738This tells Apache that it cannot serve any files with .conf extensions from anydirectories within the Web document root (pointed to by the DocumentRoot directive).Using Web server–based authentication Often, you will find it necessary to restrict access to your Web applications. In suchcases, you can use your Web server’s basic authentication scheme quite easily. Forexample, to require user authentication for an application stored in http://yours-erver/yourapp/, you can create or edit the following .htaccess file in the%DocumentRoot%/yourapp directory:AuthType BasicAuthName “Restricted Access”AuthUserFile /path/to/yourapp.usersRequire valid-userYou can also put the preceding configuration in your httpd.conf file using aLocation container, as shown here: <Location “/your_app/”>AuthType BasicAuthName “Restricted Access”AuthUserFile /path/to/yourapp.usersRequire valid-user</Location>Don’t forget to change your_app and /path/to/yourapp.users with the appropri-ate directory and file names.Once you have created this configuration, you need to use Apache’s htpasswdutility to create users. For example, to create a user called joegunchy, you can runthe following:htpasswd -c /path/to/yourapp.users joegunchy
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Photoshop cs5 by steve Johnson part 74 pptx

PHOTOSHOP CS5 BY STEVE JOHNSON PART 74 PPTX

ptg462 Chapter 19Photoshop allows you to slice a document into smaller pieces. You might want to slice an image to create interactive links; however, the best reason is speed. You gain speed by compressing individual slices to reduce the image size. There are two types of slices: user-defined and layer-based. You can draw directly on an image to create a user slice using the Slice tool, or create a layer and then change it into a layer-based slice. When you create a slice, Photoshop also creates auto slices, which fill the space in the image that is not defined by a user-defined slice. User-defined and layer-based slices are identified by a solid line with blue symbols, while auto slices are identified by a dotted line with gray symbols. The slices also are numbered from left to right and top to bottom. A layer-based slice uses all the data in the layer to make up the slice. If you want to make changes to the slice, you need to edit the layer, which makes it a little more difficult to use than a user slice. When you edit or move the layer contents, the slice is automatically changed too. Slicing Images the Easy Way Create a User SliceOpen a document.Select the Slice tool on the toolbox.IMPORTANT To make slicing a little easier, drag a few guides from the Ruler bar to help guide your slicing tool.Click the Style Setting list arrow on the Options bar, and then select
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Suse Linux 9.3 For Dummies- P16 docx

SUSE LINUX 9.3 FOR DUMMIES- P16 DOCX

this dialogbox andclick Create.213Chapter 13: Doing Even More Office Stuff in SUSE Linux Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.After working on the set of slides, you may want to rearrange the slides. Torearrange slides in a different order, choose View➪Slide Sorter. Impress dis-plays an array of miniature-sized slides, arranged in a rectangular grid in thework area (as in Figure 13-8). Think of this as the slide sorter view becauseyou can move the slides around and sort them in this view.In the slide-sorter view shown in Figure 13-8, you can drag and drop slides intodifferent positions and rearrange them in the order you want. To delete a slidein this view, click the slide to select it and press Delete (or choose Edit➪Delete).When prompted to confirm the deletion, you can click Yes if you really wantto delete the slide. Double-click a slide to return to the usual single-slide view.As you work on the presentation, keep in mind these concepts:ߜ Master slide: You can think of the master slide as the background of everyslide. If you put text or other fields (such as date and page number) on themaster slide, those elements appear on every slide in the presentation.ߜ Layers: You can have layers in both the master slide as well as each indi-vidual slide. Think of the layers as transparent sheets on which you placesome related text and graphics. The slide is then made up of these layerssuperimposed on one another. You can use layers to group related infor-mation. For example, if you’re drawing the plans for a house, you can putall the dimensions on a separate layer. The nice part is that you can hideor show layers easily. Just click the third icon from the left on theNavigation bar (see Figure 13-5) or choose View➪Layer.Figure 13-8:
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O''''Reilly Network For Information About''''s Book part 119 potx

O''''REILLY NETWORK FOR INFORMATION ABOUT''''S BOOK PART 119 POTX

no longer reachable by executing code. The Boehm garbage collector will even correctly deal with cycles of mutually-referring but unreachable objects. To use the garbage collector, you download and compile it as a library for your platform, and link it with your Objective-C program. You can get the code, and instructions on how to install it, at http://www.hpl.hp.com/personal/Hans_Boehm/gc/. Garbage collection and reference counting can't run in the same program. The Cocoa library is built around the retain/release reference counting design, so you can't use a garbage collector in Cocoa-based programs. 1.13 Archiving Objects Saving and restoring objects is made easier by Objective-C's facilities for reflection—inspecting at runtime the structure of instances and classes. Objects can be pre-designed at build-time, encoded, and saved as resources for reconstruction at runtime. The runtime state of objects can similarly be saved and restored in documents or other files. An object's values are stored along with type information necessary to restore a fully functioning instance. 1.13.1 Archiving Descendants of Object To save and restore descendants of Object, you can use its methods -write: and -read:, along with some functions provided by the runtime and a helper class called TypedStream. For example, suppose your class declares an interface like this: @interface MyClass : Object { AnotherClass * obj ; int i ; }
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HandBooks Professional Java-C-Scrip-SQL part 119 pdf

HANDBOOKS PROFESSIONAL JAVA-C-SCRIP-SQL PART 119 PDF

The GNU runtime provides more functions for managing object storage and retrieval. See the documentation for your distribution for more information. 1.13.2 Archiving Descendants of NSObject The Cocoa framework uses the term "coding" for the process of translating objects to a saveable form. Cocoa declares an NSCoding protocol, and provides an NSCoder class that saves and restores objects that implement the protocol. NSObject does not itself implement NSCoding; to use archiving, you must implement the NSCoding protocol in your classes. The NSCoding protocol consists of two methods: initWithCoder: and encodeWithCoder:. These exhibit the same structure as initializers: you first send the same message to super, then proceed to encode or decode the fields of your object, following the same order in each method. Your objects don't have to pay any more attention than that to the details of constructing or interpreting an object's stored form. If -initWithCoder: were named -decodeWithCoder: its relation to -encodeWithCoder: would be more clear. But -initWithCoder: is an initializer and follows the Objective-C convention by starting with init. For example, suppose your class declares an interface like this: @interface MyClass : NSObject { AnotherClass * obj ; int i ; } @end To save the fields of MyClass, implement the following method: 1 -(void )encodeWithCoder:(NSCoder*)coder { 2 // [super encodeWithCoder:coder ];
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HandBooks Professional Java-C-Scrip-SQL part 119 docx

HANDBOOKS PROFESSIONAL JAVA-C-SCRIP-SQL PART 119 DOCX

Don't call -copy instead of -retain in a setter. It is safe as far as memory usage goes, but prevents your caller from sharing the value; by contrast, when you use -retain a caller can copy the new object explicitly and pass the copy to the setter. 1.12.2.6 Deallocating an object When a call to -release sets your object's reference count to zero, the -release method will also call the object's -dealloc method. In that method, you should release all other objects (e.g., fields) and resources that your object is retaining. If other code that shares those objects is retaining them (as it should), this will be safe. You can make your -dealloc method safer in the face of outside code that may have bugs by calling -autorelease on your retained objects. This leaves the autoreleased objects still available until the current call stack finishes. However, it is probably a design mistake if code remaining in the call stack depends on these objects, and using -autorelease may just hide this rather than solve it. 1.12.2.7 Retain cycles Reference counting can break down when there is a closed loop in the graph of object references. In this case a group of mutually referent objects may be garbage (i.e., unreachable from your program) but with positive reference counts. You don't have to avoid such structures, but make sure that you only apply the counting in one direction. When two objects refer to each other, decide which is the "owner" and let it retain the other object, but not vice versa. 1.12.3 Garbage Collection Garbage collection is a memory management technique that fully automates the release and reuse of object memory. A garbage collector keeps track of which objects are reachable from running code; unreachable objects (those with no references, direct or indirect) are released. The gcc compiler emits code that can be linked with the Boehm garbage collector (an open source garbage collector for C-based languages). This library augments the standard C function malloc( ) with code that sets up tracking information for object pointers, and replaces the function free( ) with an empty body. The garbage collector runs concurrently in your program, releasing objects only when they are
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RStudio Programming Language Succintly by Barton Poulson

RSTUDIO PROGRAMMING LANGUAGE SUCCINTLY BY BARTON POULSON

Barton Poulson is a psychology professor at Utah Valley University. He has a Ph.D. in social and personality psychology and has taught data analysis and research methods since 1995. He is currently working on two major projects. The first project introduces data science and web mining to non-technical undergraduate students. To this end he is collaborating with students to create the UVU Data Lab and to plan the Utah Data Dive (see utahdatadive.org). His second major project draws on his background in design and the arts. In this project, he is integrating digital technology into live, modern dance performances (see danceandcode.com). Bart lives with his wife and three children in Salt Lake City, Utah. 11 Introduction R Succinctly will introduce you to R, a powerful programming language for statistical work. This book will not turn you into a professional statistician. Instead, it will show you the basic practices in R for analyzing your own data. It will also help you understand some of the choices that go into statistical analysis. A good rule of thumb in data analysis is to use the simplest tools and procedures that will allow you to reach your goals. In most situations, this means spreadsheets, bar charts, and pivot tables, among others. These are important tools and every analyst should be comfortable with them, but there is only so much that a spreadsheet can do. The need may arise for something more flexible and sophisticated. The statistical programming language R meets that need. The capabilities of the base installation of R are extraordinary. Even more, users can extend R with thousands of available packages (5,423 at the time of writing). With these packages—and their increasing growth—it sometimes feels as though R can do anything. This may be what led statistician Simon Blomberg to claim, in the spirit of Yoda: "This is R. There is no if, only how." This book is brief by nature. I will not—and cannot—discuss all that R can do. I will, instead, discuss the most common and most helpful procedures for conventional data sets. I have two goals for this book. The first goal is to help you become comfortable with the R environment. The second goal is to inspire you to search for ways that R can answer your specific questions
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Webmaster''''s Guide to the Wireless Internet part 27 ppsx

WEBMASTER''''S GUIDE TO THE WIRELESS INTERNET PART 27 PPSX

232 Chapter 6 • Web Clippinguser’s device, the only way to change it is to have the user download the latestversion of the WCA.NOTEYou can find over 250 WCAs available for download at wireless.palm.net/apps. Many applications have already been built to solve common fea-tures that are requested by Palm.net users (e-mail, messaging, news,shopping, etc.). You can also post your own WCAs for distribution tousers. One of the best ways to learn how to build an effective Web clip-ping application is to see what others have done successfully, and, per-haps more importantly, to see what others have done unsuccessfully!The WCA is viewed using the Web Clipping Application Viewer, or Clipperbrowser, which resides on the device.The Web Clipping Application Viewer cansend data to (and receive properly formatted HTML from) a Web server locatedon the Internet through a network of base stations and Palm.net proxy servers. Inaddition, a WCA can launch, and, vice versa, be launched by, local applications onthe device.NOTEIt helps to think of WCAs as miniature Web sites stored on the handhelddevice, and to think of Clipper as a Web browser, but remember thatthese concepts are not directly analogous. In actuality, a WCA is a PalmDatabase Format record set that is installed on the device. Its content isstatic and cannot be updated until a user installs a new version of theapplication. Likewise, Clipper itself is not a Web browser, per se, butrather a unique application that can render HTML stored in a WCA. Web clipping applications were formerly called Palm Query Applications(PQAs).The files created by the Web Clipping Application Builder are saved withan extension of .pqa, a vestige of their former nomenclature. In this chapter, wewill use the term Web clipping application or WCA to refer to what we arebuilding.When we refer to Web clipping we will be referring to the entire pro-cess, not just an individual part of it.
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Tài liệu Extending an Inheritance Hierarchy docx

TÀI LIỆU EXTENDING AN INHERITANCE HIERARCHY DOCX

{ public void VisitIdentifier(string token) { } public void VisitKeyword(string token) { } static void Main() { SourceFile source = new SourceFile(); MyVisitor visitor = new MyVisitor(); source.Accept(visitor); } } This will result in each token in the source file calling the matching method in the visitor object. You could create a number of different visitor classes to perform numerous different tasks as each token is visited. In the following exercise, you will create a class that derives from the key framework interface and whose implementation displays the tokens of the source file in a rich text box in color syntax (for example, keywords in blue) by using the “visitor” mechanism. Write the ColorSyntaxVisitor class 1. In the Solution Explorer (click the Solution Explorer tab underneath the Class View window), double-click Form1.cs to display the Color Syntax form in the Designer View window. This form contains an Open button for opening the file to be tokenized, and a rich text box for displaying the tokens. A rich text box is like an ordinary text box,
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Tài liệu Registry Backup Using Resource Kit Utilities pdf

TÀI LIỆU REGISTRY BACKUP USING RESOURCE KIT UTILITIES PDF

system is used). Use a UNC notation when specifying computer names. For example: \\STATION1. Note Only HKLM and HKU keys are available when working with remote systems.The REG RESTORE command supports the following syntax: REG RESTORE FileName KeyName [\\Machine] where: FileName-name of the file to be restored (without the filename extension). This parameter should specify a file previously created using REG SAVE or REG BACKUP. KeyName-name of the registry key, in the following format: [ROOTKEY\]Key. Key-complete path to the registry key contained within the root key specified by the ROOTKEY parameter. Machine-name of the remote system in UNC format (by default, the local computer will be used).
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Tự học iLife - p 28 pdf

TỰ HỌC ILIFE - P 28 PDF

253WORKING WITH GARAGEBAND ’09Recording Musicchapter13What is a songwriting project?You can create a songwriting project to set up tracks for several common instruments. 1 Click File and then New.2 In the GarageBand window, click the Songwriting project template.3 Create the new project. GarageBand opens the project workspace.● Several instrument tracks are predefined.● A drum track has music inserted as the backbeat for the project.Note: You can select a track to record music for it. See “Record an Instrument” for details.5 Click GarageBand.6 Click Preferences.6699885577 The Preferences window appears.7 Click General.8 Click a metronome preference ( changes to ).
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Tài liệu Thiết kế flash với flash cs5 part 77 doc

TÀI LIỆU THIẾT KẾ FLASH VỚI FLASH CS5 PART 77 DOC

ptg470 Chapter 19You can undo or redo a single step or a series of steps quickly with the History panel. The History panel contains the Undo/Redo slider which you can drag up to undo (restore previous steps) a series of steps, or drag down to redo (restore steps you’ve undone) a series of steps. You can also undo and redo previous steps one at a time using the Undo and Redo commands on the Edit menu. When you use these com-mands, the steps in the History panel change based on the command results. The History panel and the Undo command can undo steps up to a maximum number (from 2 to 9999) set in the General tab of the Preferences dialog box.Undoing and Redoing StepsUndo Steps with the History PanelOpen or expand the History panel.Drag the Undo/Redo slider up until the slider points to the last step you want to keep.TIMESAVER Position the pointer in the gray area to the left of a step, and then click the gray area to make the slider point to the step.Flash undoes and grays out each selected step, starting from the bottom.When you’re done, click the Close
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Exchange SQL And IIS- P129 ppsx

EXCHANGE SQL AND IIS- P129 PPSX

Disaster Recovery with Exchange Server 2007 • Chapter 9 617SummaryIn this chapter, we took a look at how to properly back up the different server roles in Exchange 2007. We then went through how you restore an Exchange 2007 Server with one or more server roles installed, as well as how you can restore a corrupt Mailbox or Public Folder database using the Windows 2003 Backup tool, and if this isn’t an option, how you can repair a corrupt database using Eseutil. We also had walked through how you can recover mailbox data using the improved Recovery Storage Group (RSG) feature. In addition, I showed you how it’s possible to recover a failed Exchange 2007 server using the RecoverServer and RecoverCMS switches. Lastly, we talked about the improvements that have been made regarding database portability in Exchange 2007.Solutions Fast TrackBacking Up Exchange 2007 Using Windows 2003 Backup˛ Frequent backups of the Exchange 2007 servers in an organization are important operational tasks, which perhaps can be a bit trivial, but should be taken very seriously. I can only imagine one thing that’s worse than a complete failure of an Exchange 2007 server, and that’s a complete failure of an Exchange 2007 server without having any backups to restore from.˛ One of the most important things to back up regarding Exchange 2007 Mailbox Servers are the databases that hold user mailboxes and public data.˛ Since Exchange 2007 databases still use ESE, you can (just as with previous versions of Exchange) back them up using the Exchange-aware native Windows 2003 backup tool.˛ Exchange 2007 supports two different backup methods. The fi rst is a legacy streaming backup, which is a backup method based on the ESE application programming interface (API) that allows you to back up one or more storage groups at the same time. However, only one backup job can run against a specifi c storage group. Then we have the Volume Shadow Copy Service (VSS) backup method, which some of you may know from Exchange 2003, where it was fi rst introduced. The interesting thing about VSS is that this method, in addition to what the legacy streaming backup method offers, can also take an online backup of the copy database when using either Local Continuous Replication or Cluster Continuous Replication in your setup.Restoring Exchange 2007 Storage Groups and
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The Best Damn Windows Server 2003 Book Period- P65 ppsx

THE BEST DAMN WINDOWS SERVER 2003 BOOK PERIOD P65 PPSX

create one. Finally, we will discuss how to set up distribution points.608 Chapter 18 • Deploying Software via Group Policy301_BD_W2k3_18.qxd 5/12/04 2:19 PM Page 608Preparing for Group Policy Software InstallationDetermining which applications you plan to distribute with Group Policy Software Installation is animportant first step in the deployment process. Because the GPOs used to deploy software can belinked to a site, domain, or OU, some planning is required.You must take into consideration yourActive Directory design and the application needs of your organization.Some departments will require a particular application, whereas there is no need for that appli-cation in other departments. For example, the Financial department may need accounting softwarethat is not used elsewhere. In other cases, an application is required for all those in a particular jobfunction. For example, all project managers may need a particular project management application,regardless of department.There are also times when an application must be distributed throughoutthe entire enterprise. For example, the software that is used to open and read personnel policies orsecurity policies that apply to all employees will be needed by everyone, regardless of department orjob function.Your Active Directory design and organizational needs will ultimately determine yourplans for where you will configure Software Installation within Group Policy.Creating Windows Installer PackagesAlthough Microsoft provides Installer packages with most of their software programs, the situation isnot quite as simple when you have third-party software to install.Then, you may not have the con-venience of having a Windows Installer package available, but when this happens, you can use autility to create an Installer package. One such tool that has been available since Windows 2000 isWinINSTALL.The original version of WinINSTALL LE (Limited Edition) was included on theWindows 2000 Server installation CD-ROM.The software is no longer included on the WindowsServer 2003 CD-ROM, but a free MSI repackager, WinINSTALL LE 2003, can be downloaded atno cost at the OnDemand Software Web site at www.ondemandsoftware.com/FREELE2003/.Alternatively, you can download a trial version of the full WinINSTALL product.The full productcan be used in environments where deployment needs are more complex, and provides features suchas hardware and software inventory, conflict assessment, MSI validation, and multicast replication—many of the same features offered by Microsoft’s SMS.
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15 WEAKLY TYPED OBJECT SQL

15 WEAKLY TYPED OBJECT SQL

we are trying to accomplish with object SQL. We want to insert, update, and select objects as if we're using object-oriented technology! So, to that end, we won't cover how to update object tables or select data from them using the TABLE keyword, etc. Instead, we will concentrate on a methodology with which we can take a Java object and insert it into the database, update it, or select it from the database. In this chapter, we'll concentrate on the weakly typed solutions for doing this. Let's begin our journey into the weakly typed objects with the Struct object. 15.2 Structs You use a java.sql.Struct object to insert object data into the database, update it, or select object data from the database. A Struct object represents a database object as a record of Object attributes. If the database object consists of objects within objects, then a given attribute that represents another database object type will itself need to be cast to another Struct for as many levels as are needed to resolve all the attributes. Let's start our detailed look at using a Struct with inserting object values into the database. 15.2.1 Inserting Object Values There are four steps to inserting an object into the database using a Struct object: 1. Create an oracle.sql.StructDescriptor object for the database data type. 2. Create a Java Object array with the same number of elements as there are attributes in the database data type and populate it with Java objects of the appropriate data type. 3. Create a Struct object using the oracle.sql.STRUCT constructor, passing the appropriate StructDescriptor, Connection, and Object array of objects. 4. Use a PreparedStatement object and its setObject( ) method to insert the data represented by the Struct object into the database. Let's look at these steps in detail. 15.2.1.1 Creating a StructDescriptor The java.sql.Struct interface, being rather new, supports only selecting objects from a database into a Struct object. The interface does not support creating a Struct object in a Java program and using it to store the data it in the database. The missing functionality, that is, the ability to create a new Struct object to hold a Java object's data and to use that Struct object to update the database, is up to the JDBC driver vendor to implement. In Oracle's case, two classes are used to create a Struct object. The first is oracle.sql.StructDescriptor.
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