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Not so long ago, I wrote a similar application in Oracle (which is case-sensitive) that had screens to allow users with admin rights to set up new users Again, it used the Windows user name to determine the validity of the user, but the user name was entered by the admin user I found myself frequently fielding calls from irate administrators claiming the application did not work because they had set up a new user who then could not get in The problem always came down to the spelling of the user name or its case One of the ways around it was to use the Lower function to convert both strings to lowercase before the comparison, but the spelling issue often was a problem that could not be resolved through code

to remove the default setting in which a sound file is played when the reminder displays on the screen

Figure 11-17: You can set a flag to display a reminder with a sound that alerts you that an important e-mail has not been handled

nce you have created your application, you will want some means of preventing users from changing your application without going through your carefully thought-out user interface You certainly do not want them making changes to your code Thankfully, it is easy to password-protect the code by clicking Tools | <name of database> Properties in the VBE window Click the Protection tab in the pop-up window, check Lock Project for Viewing, and enter and reenter your password Save the project and your code is now protected However, as you have already seen, there are other components to your project such as tables, queries, forms, and reports and it would be a disaster if a user decided to make a few unauthorized changes! They can delete tables or edit a report, and since the database is multiuser, this affects everyone using it You can stop this from happening in a number of ways

The NXT-G Calibration block also has a delete function that will clear out any calibrations currently stored in the NXT brick s memory. It could be helpful to clear out such values at the beginning of your calibration process just so you know you re working with clean values in your NXT brick, especially if you re in a classroom where different people are sharing an NXT brick. Figure 5 7 shows a basic Calibration deletion program. First, the program waits for the user to press the orange NXT button and then it deletes the current calibration via the Calibration block. Finally, it plays a confirmation tone.

repeat the reminder, click the Snooze down arrow, click an interval until the next sound, and then click Snooze

Figure 19-6

Microsoft Of ce 2010 QuickSteps Using Outlook and Receiving E-mail PC QuickSteps Getting to Know Your PC

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Click the three-dot symbol on the ODBC Connect Str property and you can then select a DSN to use Click the Machine Data Source tab and scroll down to your DSN You will then be asked if you want the password included in the connection string, which raises a security issue If you do not include it, the user will be prompted for the password every time the query is run, which could be annoying If you include it in the connection string, anyone can see it A solution is to include it in the connection string, but to lock down the database so query structures cannot be accessed See 24 on how to do this A further problem is that you cannot build your query using the Access GUI You must write your query in SQL and use the same notation that the database platform is expecting This is because your query will run directly on the database server If you are connecting to Oracle or SQL Server, you need to use a percent sign (%) instead of a star (*) for wild card characters and use single quotes instead of double quotes to denote strings Also, you cannot use IIF Instead, you must use the notation CASE WHEN THEN ELSE END

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The expand and contract symbols to the left of an item indicate that you can expand or contract a list by clicking the symbol The symbols can be used for a group of folders in the Folder List of the navigation pane or to group messages by day (such as messages for Tuesday)