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Imitate Facebook hide/show expanding/contracting Navigation Bar

...ame.size.height * (scrollDiff / scrollHeight)))); This positions the bar based on the last scroll percentage, instead of an absolute amount, which results in a slower fade. The original behavior is more Facebook-like, but I like this one, too. Note: This solution is iOS 7+ only. Be sure to add th...
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ASP.NET MVC: Custom Validation by DataAnnotation

...ss UniqueFileName : ValidationAttribute { private readonly NewsService _newsService = new NewsService(); public override bool IsValid(object value) { if (value == null) { return false; } var file = (HttpPostedFile) value; return _newsService.IsFileNameUnique(fi...
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Entity Framework Refresh context?

How could I refresh my context? I have entities based on views from my Database and when I made an update over one table Entity that has navigation properties to views, the entity is update but the view don't refresh accord the new updates...just want to get again from the Db the data. Thanks! ...
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Session variables in ASP.NET MVC

...art event void OnSessionStart(...) { HttpContext.Current.Session.Add("__MySessionObject", new MySessionObject()); } From anywhere in code where the HttpContext.Current property != null you can retrive that object. I do this with an extension method. public static MySessionObject GetMySession...
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How to get a key in a JavaScript object by its value?

... With the Underscore.js library: var hash = { foo: 1, bar: 2 }; (_.invert(hash))[1]; // => 'foo' share | improve this answer | follow | ...
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Reset Entity-Framework Migrations

...te the state: Delete the migrations folder in your project; And Delete the __MigrationHistory table in your database (may be under system tables); Then Run the following command in the Package Manager Console: Enable-Migrations -EnableAutomaticMigrations -Force Use with or without -EnableAutomati...
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Why do loggers recommend using a logger per class?

...ing: Log per class using System.Reflection; private static readonly ILog _logger = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); public void SomeMethod() { _logger.DebugFormat("File not found: {0}", _filename); } One logger per app (or similar) Logger.DebugFor...
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PHP method chaining?

...turned object. <?php class fakeString { private $str; function __construct() { $this->str = ""; } function addA() { $this->str .= "a"; return $this; } function addB() { $this->str .= "b"; return $this; } ...
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What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close

...wesome, too, but it has zero effect or influence on how I write my browser based JavaScript. Because of the diversity in projects that I built and back-end technologies that my clients use, I cannot and will not lock Marionette in to a single server side technology stack for any reason. I won't pr...
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How to post JSON to PHP with curl

I may be way off base, but I've been trying all afternoon to run the curl post command in this recess PHP framework tutorial. What I don't understand is how is PHP supposed to interpret my POST, it always comes up as an empty array. ...