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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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Permutations in JavaScript?

... + this.filter('fastest').map('name')); }) .run({async: true}); <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/platform/1.3.4/platform.min.js"></script> <script src=...
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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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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?

...re two methods of building a link that has the sole purpose of running JavaScript code. Which is better, in terms of functionality, page load speed, validation purposes, etc.? ...
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Get the first key name of a javascript object [duplicate]

Let's assume we have the following javascript object: 8 Answers 8 ...
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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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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...