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ASP.NET MVC Html.ValidationSummary(true) does not display model errors

... return View(member); } } And in display add: <div class="alert alert-danger"> @Html.ValidationMessage("keyName") </div> OR <div class="alert alert-danger"> @Html.ValidationSummary(false) </div> ...
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back button callback in navigationController in iOS

...otViewControllerAnimated:YES]; } Then you can do things like raise an UIAlertView to confirm the action, then pop the view controller, etc. Or instead of creating a new backbutton, you can conform to the UINavigationController delegate methods to do actions when the back button is pressed. ...
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javascript check for not null

... this will do the trick for you if (!!val) { alert("this is not null") } else { alert("this is null") } share | improve this answer | follo...
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JavaScript REST client Library [closed]

...amp;Age=10', // or $('#myform').serializeArray() success: function() { alert('PUT completed'); } }); You can replace PUT with GET/POST/DELETE or whatever. share | improve this answer ...
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Rails 4: how to use $(document).ready() with turbo-links

... Here's what I do... CoffeeScript: ready = -> ...your coffeescript goes here... $(document).ready(ready) $(document).on('page:load', ready) last line listens for page load which is what turbo links will trigger. Edit...adding Javascript vers...
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What does the “|” (single pipe) do in JavaScript?

... 1 1 1 0 = 14 (8 + 4 + 2) Bitwise ORing 6 and 10 will give you 14: alert(6 | 10); // should show 14 Terribly confusing! share | improve this answer | follow ...
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Detect if a page has a vertical scrollbar?

...ow height :) if ($("body").height() > $(window).height()) { alert("Vertical Scrollbar! D:"); } // Check if body width is higher than window width :) if ($("body").width() > $(window).width()) { alert("Horizontal Scrollbar! D:<"); } }); ...
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What is the opposite of evt.preventDefault();

...e) { e.preventDefault(); var $this = $(this); $.ajax('/path/to/script.php', { type: "POST", data: { value: $("#input_control").val() } }).done(function(response) { $this.unbind('submit').submit(); }); }); ...
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How do I create an abstract base class in JavaScript?

...t=function(name){ this.name=name; } Animal.prototype.say=function(){ alert(this.name + " who is a " + this.type + " says " + this.whattosay); } Animal.prototype.type="unknown"; function Cat(name) { this.init(name); //Make a cat somewhat unique var s=""; for (var i=Math.ceil(M...
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Add new value to an existing array in JavaScript [duplicate]

...ay // --- arr = []; // empty array // --- arr = new Array(3); alert(arr.length); // 3 alert(arr[0]); // undefined // --- arr = [3]; alert(arr.length); // 1 alert(arr[0]); // 3 Pushing to the array: arr = [3]; // arr == [3] arr[1] = 4; // arr == [3, 4] arr[2] = 5; // arr...