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How are software license keys generated?

...at will appear to work but fail on a future version due to a typographical error. share | improve this answer | follow | ...
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Which annotation should I use: @IdClass or @EmbeddedId

...| edited Jul 25 '17 at 13:05 Martin 1,7131818 silver badges2020 bronze badges answered Feb 13 '17 at 21:...
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Automating the InvokeRequired code pattern

... LeeLee 130k1717 gold badges205205 silver badges262262 bronze badges ...
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Routing for custom ASP.NET MVC 404 Error page

I am trying to make a custom HTTP 404 error page when someone types in a URL that doesn't invoke a valid action or controller in ASP.NET MVC, instead of it displaying the generic "Resource Not Found" ASP.NET error. ...
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Can I try/catch a warning?

... Set and restore error handler One possibility is to set your own error handler before the call and restore the previous error handler later with restore_error_handler(). set_error_handler(function() { /* ignore errors */ }); dns_get_record...
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How to set the margin or padding as percentage of height of parent container?

... | edited Dec 4 '18 at 17:05 TylerH 18.1k1212 gold badges6161 silver badges8080 bronze badges answered A...
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Error handling in Bash

What is your favorite method to handle errors in Bash? The best example of handling errors I have found on the web was written by William Shotts, Jr at http://www.linuxcommand.org . ...
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ASP.NET MVC How to convert ModelState errors to json

How do you get a list of all ModelState error messages? I found this code to get all the keys: ( Returning a list of keys with ModelState errors ) ...
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How to catch curl errors in PHP

... You can use the curl_error() function to detect if there was some error. For example: $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $your_url); curl_setopt($ch, CURLOPT_FAILONERROR, true); // Required for HTTP error codes to be reported via o...
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Android - styling seek bar

... mbm29414 11.3k66 gold badges5050 silver badges8282 bronze badges answered Dec 9 '15 at 17:55 fred dupontfred dupont ...