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How do I get the collection of Model State Errors in ASP.NET MVC?

...he ModelState, use this Linq: var modelStateErrors = this.ModelState.Keys.SelectMany(key => this.ModelState[key].Errors); share | improve this answer | follow ...
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Inspect element that only appear when other element is mouse overed/entered

...to the Elements panel and use the magnifying glass icon in the top left to select the tooltip If the tooltip shows up because of CSS, here's what you can do in that case: Step-by-step: Open the DevTools Select the triggering element in the dev tools (the link) Right click, and select "force el...
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Hiding the scroll bar on an HTML page

... /* 7 */ These can each be combined with additional pseudo-selectors: :horizontal – The horizontal pseudo-class applies to any scrollbar pieces that have a horizontal orientation. :vertical – The vertical pseudo-class applies to any scrollbar pieces that have a vertical orienta...
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How can I open a cmd window in a specific location?

...ing you a quick way to open a command window (cmd.exe) pointing at the selected folder. EDIT : This software will not work on any version of Windows apart from Windows XP. share | improve ...
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How to do joins in LINQ on multiple fields in single join

...d2}, (x, y) => x); While the last argument (x, y) => x is what you select (in the above case we select x). share | improve this answer | follow | ...
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Call to undefined method mysqli_stmt::get_result

...the code becomes: include 'conn.php'; $conn = new Connection(); $query = 'SELECT EmailVerified, Blocked FROM users WHERE Email = ? AND SLA = ? AND `Password` = ?'; $stmt = $conn->mysqli->prepare($query); $stmt->bind_param('sss', $_POST['EmailID'], $_POST['SLA'], $_POST['Password']); $stmt-...
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How to convert linq results to HashSet or HashedSet

...f T explicitly: var query = from i in Enumerable.Range(0, 10) select new { i, j = i + 1 }; var resultSet = query.ToHashSet(); You can't do that with an explicit call to the HashSet<T> constructor. We're relying on type inference for generic methods to do it for us. Now you coul...
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JQuery .each() backwards

I'm using JQuery to select some elements on a page and then move them around in the DOM. The problem I'm having is I need to select all the elements in the reverse order that JQuery naturally wants to select them. For example: ...
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The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]

... Add a runtime first and select project properties. Then check the server name from the 'Runtimes' tab as shown in the image. share | improve this...
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Sourcetree - undo unpushed commits

...click on the commit you like to reset to (not the one you like to delete!) Select "Reset master to this commit" Select "Soft" reset. A soft reset will keep your local changes. Source: https://answers.atlassian.com/questions/153791/how-should-i-remove-push-commit-from-sourcetree Edit About git r...