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How to convert an object to a byte array in C#

... { BinaryFormatter bf = new BinaryFormatter(); using (var ms = new MemoryStream()) { bf.Serialize(ms, obj); return ms.ToArray(); } } You just need copy this function to your code and send to it the object that you need to convert to a byte array. If you need convert...
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jquery - return value using ajax result on success

...on is that the code waiting for the response has already executed by the time the response is received. The solution to this problem is to run the necessary code inside the success: callback. That way it is accessing the data only when it is available. function isSession(selector) { $.ajax({ ...
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How do I create an abstract base class in JavaScript?

...ract */ Animal.prototype.say = function() { throw new Error("Abstract method!"); } The Animal "class" and the say method are abstract. Creating an instance would throw an error: new Animal(); // throws This is how you "inherit" from it: var Cat = function() { Animal.apply(this, argu...
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Changing git commit message after push (given that no one pulled from remote)

...e made a git commit and subsequent push. I would like to change the commit message. If I understand correctly, this is not advisable because someone might have pulled from the remote repository before I make such changes. What if I know that no one has pulled? ...
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Unique Constraint in Entity Framework Code First

... As far as I can tell, there's no way to do this with Entity Framework at the moment. However, this isn't just a problem with unique constraints... you may want to create indexes, check constraints, and possibly triggers and other constructs too. Here's a simple pattern you can use with...
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Java Round up Any Number

...l. I'm guessing a is an int, which would make a / 100 perform integer arithmetic. Try Math.ceil(a / 100.0) instead. int a = 142; System.out.println(a / 100); System.out.println(Math.ceil(a / 100)); System.out.println(a / 100.0); System.out.println(Math.ceil(a / 100.0)); System.out.println((int) Mat...
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How to view revision history for Mercurial file?

For a given file in a Mercurial repository, how can you see the revision history? 4 Answers ...
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Multiple models in a view

...model ViewModel.LoginViewModel @using (Html.BeginForm("Login", "Auth", FormMethod.Post)) { @Html.TextBoxFor(model => model.Email) @Html.PasswordFor(model => model.Password) } and register.cshtml same thing after creation you have to render them in the main view and pass them the vie...
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How do I get the SharedPreferences from a PreferenceActivity in Android?

I am using a PreferenceActivity to show some settings for my application. I am inflating the settings via a xml file so that my onCreate (and complete class methods) looks like this: ...
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Find files containing a given text

In bash I want to return file name (and the path to the file) for every file of type .php|.html|.js containing the case-insensitive string "document.cookie" | "setcookie" ...