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

Just imagine integrating Taconite with Struts: the client-side JavaScript library automates the task of creating the query string that is sent to the server Struts automatically creates and populates an ActionForm object based on the query string s values and passes the ActionForm to an Action class, where the real processing work begins After domain logic has been processed, the Action class forwards the response to a JSP that uses Taconite s custom JSP tags to render the content that will dynamically update the page s contents We ve recently ported the parser to a JavaScript library so that developers can use it outside the Java space To use the JavaScript-based parser, the dynamic content must be valid XML embedded in a special Taconite tag Using this approach, the content is returned as XHTML that is parsed to JavaScript and then evaluated on the browser.

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After searching, the NXT Bluetooth icon should show up, as in Figure 14-37. Double-click the icon, and the passkey window opens.

It s difficult to write a simple guide to installing F# on Linux, because there are so many different distributions of Linux and so many ways you can configure them. The following are the steps that worked well for me running SUSE Linux on a single computer. I performed all these steps as the root account. 1. Install Mono using the packages provided with the SUSE Linux distribution; you can find these by searching for mono and then sharp in the Install Software dialog box available from the Computer menu. 2. Unpack the F# distribution, and copy the resulting files to /usr/lib/fsharp. 3. In the /usr/lib/fsharp directory, run chmod +x install-mono.sh. 4. Run the dos2unix tool on the text file install-mono.sh. 5. Still in the /usr/lib/fsharp directory, run the command sh install-mono.sh. After performing those steps, I was able to use F# from any account from the command line by running mono /usr/lib/fsharp/bin/fsc.exe, followed by the command-line options. Obviously, this was inconvenient to run every time, so I created a shell script file in /usr/bin and as fsc: #!/bin/sh exec /usr/bin/mono $MONO_OPTIONS /usr/lib/fsharp/bin/fsc.exe "$@"

Since the JavaScript is produced in a central location (the Taconite parser), we make sure it handles any known incompatibilities between browsers We take care of these issues so you can focus on writing content in a natural way as HTML As new issues come up, we can update the parser without affecting any client code!.

Figure 14-37. Double-clicking the NXT Bluetooth icon In the passkey window (see Figure 14-38), select Let me choose my own passkey and enter 1234. Then select the Next> button. The NXT should make a little chirping noise, and you ll need to confirm the passkey by pressing the orange button.

CHAPTER 2 I HOW TO OBTAIN, INSTALL, AND USE F#

I then ran chmod +x fsc to give users permission to execute it. After this, running the F# compiler was as simple as typing fsc at the command line. The F# interactive compiler, fsi.exe, will also run under Linux, but on the installation I used at the time of this writing, I needed to use the --no-gui switch. The shell script for this is as follows: #!/bin/sh exec /usr/bin/mono $MONO_OPTIONS /usr/lib/fsharp/bin/fsi.exe --no-gui "$@"

The Completing the Add Bluetooth Device Wizard window looks like Figure 14-39; it shows the COM ports that the NXT will be using. The lower number of them, COM9 in this case, is the one you need to enter in some of the alternative remote-control programs.

While we re talking about user expectations, we should mention usability. The Ajax approach is fairly new there really aren t any established best practices or heuristics. However, standard Web design principles still apply. As time passes and more people experiment with this approach, we will find the limits and establish guidelines. That said, you should let your users guide you. Depending on how you choose to use Ajax in your application, you may be dynamically changing parts of your page; users who are accustomed to seeing the entire browser refresh may not notice that anything has changed. This issue has led to features such as the Yellow Fade Technique (YFT) popularized by 37signals, as used in the Ajax poster application Basecamp. In a nutshell, YFT says, Take the part of the page that changed, and make it yellow. Assuming yellow is not the dominant color of your application, the user is likely to notice this change. Over time, you fade the yellow color until it returns to the original background color. Obviously, you could choose any color you want; all you are doing is drawing attention to what has changed. Perhaps YTF isn t right for your application; instead, you may choose to alert your users in a less obvious though no less useful manner. Gmail shows a red flashing Loading sign in the upper-right corner to indicate that it is fetching data (see Figure 1-7).

I Note I used SUSE Linux, available from http://www.novell.com/linux/, because I found it installed