Simple .NET/ASP.NET PDF document editor web control SDK

Thus for a non-Ajax client, you must send the content and formatting to the client in a single step Now let s see whether the separation of resource from representation makes sense in an Ajax/Web service combination Generally speaking, the separation doesn t matter It matters only when the client is interested in receiving different Web service formats, such as CSV or JSON This introduces the next problem, which has to do with the fact that the Internet is not based solely on Ajax clients The Internet has oodles of different client types, so you need to be able to support all of those formats The solution is to split the tasks into separate applications, as illustrated in Figure 5-7 The architecture contains two HTTP servers, both of which can expose themselves using the same URL.

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Every phone comes with a default set of permissions. These are applied to applications that you install through a cable, and are also set as the permissions for OTA installed apps if the user doesn t choose to set the application permissions.

NOTE: If you change the password as a non-administrative user, you need to enter the actual user s password to do so.

Or if you wanted to move the user s home folder into the /var directory (so it can live with and be friends with root), you could use the following (assuming you put the original home folder into /Users/corpadmin):

To set the global user permissions on your device, follow these steps. 1. 2. 3. 4. 5. Open Options. Open Advanced Options. Open Applications. Press the BlackBerry Menu Key. Select Edit Default Permissions.

Because there are multiple HTTP servers, there will be multiple server name entries or multiple HTTP server ports Figure 5-7 can be made more specific in terms of naming, as Figure 5-8 shows..

Notice that in the above command we used the change dscl command rather than edit. Also notice that in both of these examples, we used dscl along with the . operator rather than using dscl interactively. By using the . operator, we ended up with a different relative path to the user record; it is a shortcut to the Local/Default node. The attribute then appears as:

Within this next screen, you can select and modify permissions as you would for an OTA download. The changes that you make will be applied to all applications installed in the future. If you d like to apply them to all previously installed applications, press the BlackBerry menu key and then select Apply Defaults to All .

New accounts can also be created using scripts. These scripts will also leverage dscl, along with the . operator (no point in complicating things by trying to script against an interactive command-line environment). To get started, let s create a script called adduser.sh on our desktop, and then take the commands we used in the above section to create our user attributes and put them into a script, replacing the > with dscl . and removing /Local/Default:

#!/bin/bash user="corpadmin" dscl . -create /Users/$user dscl . -create /Users/$user dscl . -create /Users/$user dscl . -create /Users/$user dscl . -create /Users/$user dscl . -create /Users/$user dscl . -passwd /Users/$user

Figure 5-7. A complete application architecture that implements the separation of resource from representation

If you cable-load or download an application and later realize that it does not have the proper permissions, you can modify the permissions to what you want. 1. 2. 3. 4. 5. 6. Open Options. Open Advanced Options. Open Applications. Highlight the application name. Press the BlackBerry Menu Key. Select Edit Permissions.

RealName "Corporate Administrator" UniqueID 1100 PrimaryGroupID 20 NFSHomeDirectory /Users/corpadmin UserShell /bin/bash 'MYSECRETPASSWORD'

Once again, you can customize the individual permissions here. Don t forget to save the changes once you are done. You may need to exit and restart the app for the changes to take effect.

There is a serious problem with the above script: it has the administrative password in it. To get around this, you can also create an account by copying the authentication files, which contain the hashed password, directly to the client system.

Figure 5-8. URLs and DNS entries of the complete architecture The DNS entry level shows a clear distinction between the individual servers, even though the URLs are completely identical. When you reference URLs, you generally don t use absolute addressing but relative referencing, as the following HTML illustrates: <a href="/services/historical/DELL/2004">Dell 2004 Historical</a>