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How do I convert a dictionary to a JSON String in C#?

...Json(Dictionary<int, List<int>> dict) { var entries = dict.Select(d => string.Format("\"{0}\": [{1}]", d.Key, string.Join(",", d.Value))); return "{" + string.Join(",", entries) + "}"; } But, if you are serializing several different classes, or more complex data stru...
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Best way to track onchange as-you-type in input type=“text”?

...e', inputHandler); // for IE8 // Firefox/Edge18-/IE9+ don’t fire on <select><option> // source.addEventListener('change', inputHandler); <input id="source"> <div id="result"></div> ...
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How can I prevent the backspace key from navigating back?

...put element. * stops backspace -> back */ var rx = /INPUT|SELECT|TEXTAREA/i; $(document).bind("keydown keypress", function(e){ if( e.which == 8 ){ // 8 == backspace if(!rx.test(e.target.tagName) || e.target.disabled || e.target.readOnly ){ e....
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Get file version in PowerShell

...at does not require a .NET object. IMHO Jaykul's response should have been selected as the answer :) – Thomas Bratt Dec 11 '08 at 16:28 2 ...
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Can I nest a element inside an using HTML5?

...e toolbar state) <object> (if the usemap attribute is present) <select> <textarea> <video> (if the controls attribute is present) If you are trying to have a button that links to somewhere, wrap that button inside a <form> tag as such: <form style="display: in...
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Do I need elements in persistence.xml?

...in Eclipse (Kepler tested): Right click on the project, click Properties, select JPA, in the Persistence class management tick Discover annotated classes automatically. share | improve this answ...
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How do I upgrade PHP in Mac OS X?

...e this: https://github.com/Homebrew/homebrew-php The command is: $ xcode-select --install $ brew tap homebrew/dupes $ brew tap homebrew/versions $ brew tap homebrew/homebrew-php $ brew options php56 $ brew install php56 Then config in your .bash_profile or .bashrc # Homebrew PHP CLI export PA...
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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (

...ou're actually updating the data yourself in another method in-between the select and the update), but it could be simply a race condition between two applications. share | improve this answer ...
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How to clear jQuery validation error messages?

...inputs were dynamically appended during runtime). As a result, sometimes a select dropdown would need validation, and sometimes it would not. However, by the end of the ordeal, it needed to be validated. As a result, I needed a robust method which was not a workaround. I consulted the source code fo...
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Application_Start not firing?

...ies > web (tab) and make sure "Use Visual Studio Development Server" is selected radio button. Then your Application_Start breakpoints should be hit just fine. – MemeDeveloper Oct 5 '11 at 0:33 ...