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As you can see, the report lists each link on the submitted page, along with a status indicating the link s health: status 200 is OK, status 302 is also OK, and status 404 means that the page you linked is reported as not found. Link Valet highlights these in red as an indicator for you to do something about it: either to correct the inaccurate link or generate the page it s attempting to link to. Another similar service is Link Checker from SiteOwner.com (http://siteowner.bcentral.com/ system/linkcheck.asp). This service reports only links with errors. You don t need to wade through screens full of good links to find the broken ones. The problem with services like these is that you need to submit every single page on your site to check for bad links. As you start to accumulate more and more posts on your site, this quickly becomes an unworkable solution. Recognizing this, most of the online services offer a more sophisticated service, whereby their software automatically loads the pages on your own site (by following links), and checks the links on each of those pages. Although this is a much better way of doing things, even automated checking of the links on every page of a large site can take a considerable time as much as a few hours. These services generally e-mail you the results or a link to the results in a private area on their server. Not surprisingly, all the services I have seen charge a fee for this more sophisticated checking. They often offer other services, too, like checking your HTML for validity, checking your site for accessibility, and so on. Shop around to find the deal that suits you best.

Table 11-1 lists various popular Windows programs alongside their Ubuntu counterparts. You ll find most of the programs listed on the Applications menu. Table 11-1 also includes a number of other mainstream alternatives, most of which aren t installed by default under Ubuntu, but are available from the Ubuntu online software repositories. You might want to try these later on. As you might expect, they re all free of charge, so you have nothing to lose.

void FirePropertyChanged(string property) { if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(property)); } }

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Sometimes, the lifetime of a resource isn t simple in the sense that it doesn t follow a stack discipline. In these cases, you should almost always adopt one of two techniques: Design objects that can own one or more resources and that are responsible for cleaning them up. Make sure these objects implement System.IDisposable. Use control constructs that help you capture the kind of computation you re performing. For example, when generating sequences of data (such as from a database connection), you should strongly consider using sequence expressions, discussed in 3. These may have internal use bindings, and the resources are disposed when each sequence iteration finishes. Likewise, when using asynchronous I/O, it may be helpful to write your computation as an asynchronous workflow. 13 and the following sections provide examples.

<portlet-app> <portlet> <portlet-name>Online Payments Portlet</portlet-name> ... </portlet> </portlet-app>

Command parameters have several advantages: The mapping between the variables and where they re used in SQL is clearer. Parameters let you use the type definitions that are specific to a particular ADO.NET data provider to ensure that your variables are mapped to the correct SQL data types. Parameters let you use the Prepare method, which can make your code run faster because the SQL in a prepared command is parsed by SQL Server only the first time it s executed. Subsequent executions run the same SQL, changing only parameter values. Parameters are used extensively in other programming techniques, such as using stored procedures and working with irregular data.

After executing this command, the volume found in the mySecureData sparse image will be mounted to a folder named SecureData at the root of the user s home directory. You ll notice here that we are using the mkdir command to first create the directory prior to running the hdiutil command: if the designated mountpoint does not exist, then the

projects (and, in turn, assemblies). Intelligent namespacing is the first step, separating schemas into appropriate projects is the next. Since schemas are referenced by maps and by orchestrations, the map and orchestration artifacts often should be kept in their own, separate projects. Using small assemblies that have just a few artifacts is the ideal approach, as these are far more easy to update and redeploy than other methods of organization.

Measure Your Results!

One of the issues that we touched on in the previous chapter was that administrator-level permissions are required to run the setup.exe file. If a user with nonadmin permissions clicks Run, they will be greeted with an error message. Note that prerequisites have to be installed only once per machine, so in a corporate environment, systems administrators can use admin tools, such as SMS and IntelliMirror, to automate the deployment of prerequisites to workstations prior to users running the ClickOnce deployment. Administrator privileges are required for several reasons, the primary one being that prerequisites ultimately run MSI packages, and MSI requires admin permissions by default.

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