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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [

... shows me that it's an array with 8 objects, so 8 validation errors. Actually you should see the errors if you drill into that array in Visual studio during debug. But you can also catch the exception and then write out the errors to some logging store or the console: try { // Your code... ...
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Web workers without a separate Javascript file?

...n tell, web workers need to be written in a separate JavaScript file, and called like this: 25 Answers ...
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How to increase space between dotted border dots

... What if I want all 4 edges dashed? – Ryan Shillington Jun 13 '18 at 13:53  |  show...
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Parsing boolean values with argparse

...True, default=False, help="Activate nice mode.") allows me to use: script --nice script --nice <bool> and still use a default value (specific to the user settings). One (indirectly related) downside with that approach is that the 'nargs' might catch a positional ar...
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How to debug template binding errors for KnockoutJS?

... If you are using Chrome for development, there is a really great extension (with which I'm not affiliated) called Knockoutjs context debugger that shows you the binding context directly in the Developer Tools' Elements panel. ...
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LEFT OUTER JOIN in LINQ

... This answer is actually helpful. Thank you for actually offering syntax that is understandable. – Chris Marisic Oct 23 '14 at 15:01 ...
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Number of lines in a file in Java

...iles, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file ...
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What is the optimal length for an email address in a database?

... Especially if you want the email field to have a unique constraint; under INNODB and utf8 varchar(254) is small enough (less than 767bytes) to have a unique constraint and varchar(300) is not. – Autonomy ...
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How do I inject a controller into another controller in AngularJS

...anged and it is not valid i do not want wizard to enable next button so i call container's disable method i.e if(notIsValid(val)){ this.container.disableNext(); } } }, ..., require : { container: '^^wizardContainer' //Require a wizard component's controller which exist...
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What is difference between MVC, MVP & MVVM design pattern in terms of coding c#

...discuss the difference between MVC MVP & MVVM design pattern theoretically like : 5 Answers ...