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Stop an input field in a form from being submitted

...act with them at all- so if you have a disabled text field, the user can't select the text. If you have a disabled checkbox, the user can't change its state. You could also write some javascript to fire on form submission to remove the fields you don't want to submit. ...
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How do you change Background for a Button MouseOver in WPF?

...), you can use the Visual Studio XAML Designer: While editing your XAML, select the "Design" tab. In the "Design" tab, find the button for which you want to disable the effect. Right-click that button, and choose "Edit Template/Edit a Copy...". Select in the prompt you get where you want the new t...
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Best way to give a variable a default value (simulate Perl ||, ||= )

... return true; } else { return false; } } function select_defined(){ $l = func_num_args(); $a = func_get_args(); for ($i=0; $i<$l; $i++){ if ($a[$i]) return $a[$i]; } } Examples: // $foo ||= $bar; set_unless_defined($foo, $bar); //$foo = $baz ||...
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SQL Server Operating system error 5: “5(Access is denied.)”

...s -> Double Click SQL Server (SQLEXPRESS) -> right click, Properties Select Log On Tab Select "Local System Account" (the default was some obtuse Windows System account) -> OK right click, Stop right click, Start Voilá ! I think setting the logon account may have been an option in the ...
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Xcode Project vs. Xcode Workspace - Differences

...nd resources) actually belong to a product. When you build/run, you always select one specific target. It is likely that you have a few targets that share code and resources. These different targets can be slightly different versions of an app (iPad/iPhone, different brandings,…) or test cases th...
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Best TCP port number range for internal applications [closed]

... Short answer: use an unassigned user port Over achiever's answer - Select and deploy a resource discovery solution. Have the server select a private port dynamically. Have the clients use resource discovery. The risk that that a server will fail because the port it wants to listen on is n...
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Admob Error in Eclipse for android:configChanges

...get. target=android-13 Step 2: In Eclipse Project > Clean... > (select your project) > Clean projects selected below > OK For a complete explanation with real example use this tutorial http://www.monkeycoder.co.nz/Community/posts.php?topic=1121 Cheers ! ...
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Automatically start a Windows Service on install

...d for cases where you need to be able to perform other processing (e.g. to select which service). PowerShell: execute Start-Service via RunspaceInvoke or by creating your own Runspace and using its CreatePipeline method to execute. This is good for cases where you need to be able to perform other pr...
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Show history of a file? [duplicate]

... doesn't work for me - I just get a blank screen with the text 'No commits selected'. – Tola Odejayi Jul 8 '16 at 14:12 ...
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CryptographicException 'Keyset does not exist', but only through WCF

...t; Run -> MMC File -> Add/Remove Snapin Add the Certificates Snap In Select Computer Account, then hit next Select Local Computer (the default), then click Finish On the left panel from Console Root, navigate to Certificates (Local Computer) -> Personal -> Certificates Your certificate ...