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ModelState.IsValid == false, why?

...r errors = ModelState .Where(x => x.Value.Errors.Count > 0) .Select(x => new { x.Key, x.Value.Errors }) .ToArray(); share | improve this answer | follow...
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What is fastest children() or find() in jQuery?

To select a child node in jQuery one can use children() but also find(). 6 Answers 6 ...
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Better way to check if a Path is a File or a Directory?

I am processing a TreeView of directories and files. A user can select either a file or a directory and then do something with it. This requires me to have a method which performs different actions based on the user's selection. ...
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fastest (low latency) method for Inter Process Communication between Java and C/C++

... 18396 TCP busy-spin, 6244, 6784, 7475, 8697, 11070, 16791, 27265 TCP select-now, 8858, 9617, 9845, 12173, 13845, 19417, 26171 TCP block, 10696, 13103, 13299, 14428, 15629, 20373, 32149 TCP select, 13425, 15426, 15743, 18035, 20719, 24793, 37877 This is along the lines of the acce...
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How to create .pfx file from certificate and private key?

... simple. Under the SSL tab, I first Imported the Certificate. Then once I selected the Certificate I was able to export as a PFX, both with and without a keyfile. https://www.digicert.com/util share | ...
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postgres: upgrade a user to be a superuser?

... SELECT rolname, rolsuper FROM pg_roles; to @masterweily – caulfield May 30 '13 at 11:44 6 ...
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ASP.NET MVC Yes/No Radio Buttons with Strongly Bound Model MVC

... The second parameter is selected, so use the ! to select the no value when the boolean is false. <%= Html.RadioButton("blah", !Model.blah) %> Yes <%= Html.RadioButton("blah", Model.blah) %> No ...
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Maven: Command to update repository after adding dependency to POM

...: Right click on the project ->Run As -- >Run configurations. Then select mavenBuild. Then click new button to create a configuration of the selected type .Click on Browse workspace then select your project and in goals specify eclipse:eclipse You can refer to how to run the command mvn e...
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DateTime format to SQL format using C#

...ther seldom used format, which is a bit weird but works for all versions: select { d '2013-10-01' } will return the first of october 2013. select { ts '2013-10-01 13:45:01' } will return october 1st, 1:45:01 PM I strongly advice to use parameters and never format your own SQL code by pasting...
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What is the easiest way to ignore a JPA field during persistence?

...uted properties, so you annotate them with @Transient to exclude them from SELECT, INSERT, UPDATE, and DELETE SQL statements. So, for basic attributes, you need to use @Transient in order to exclude a given property from being persisted. For more details about computed entity attributes, ch...