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Create a list from two object lists with linq

...ite a lot to this: list1.Concat(list2) .ToLookup(p => p.Name) .Select(g => g.Aggregate((p1, p2) => new Person { Name = p1.Name, Value = p1.Value, Change = p2.Value - p1.Value })); Although this won't error in the case where you have duplicate na...
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How to write “Html.BeginForm” in Razor

...data" })) { @Html.ValidationSummary(true) <fieldset> Select a file <input type="file" name="file" /> <input type="submit" value="Upload" /> </fieldset> } and generates as expected: <form action="/Upload/Upload" enctype="multipart/form-data" m...
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Cast from VARCHAR to INT - MySQL

...NED [INTEGER] TIME UNSIGNED [INTEGER] Therefore, you should use: SELECT CAST(PROD_CODE AS UNSIGNED) FROM PRODUCT share | improve this answer | follow ...
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What is sr-only in Bootstrap 3?

...span></a></b></li> </ul> You see which one is selected (sr-only part is hidden): Default Static top Fixed top You hear which one is selected if you use screen reader: Default Static top Fixed top (current) As a result of this technique blind people supposed to na...
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Unable to open project… cannot be opened because the project file cannot be parsed

...here projectname will be the name of your project. Now after right clicked select Show Packages Contents. After that open your projectname.pbxproj file in a text editor. Now search for the line containing <<<<<<< .mine, ======= and >>>>>>> .r. For example in...
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Razor comment syntax

... In visual studio, select some code/markup in your razor view and press Ctrl+K, Ctrl+C, and it'll comment the selection as described above. – MrBoJangles Feb 17 '11 at 18:12 ...
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invalid target release: 1.7

...ct JDK in your Maven run configuration. Go to Run -> Run Configuration, select your Maven Build configuration, go to JRE tab and set the correct Runtime JRE. share | improve this answer ...
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Randomize a List

...uffle(); The code above uses the much criticised System.Random method to select swap candidates. It's fast but not as random as it should be. If you need a better quality of randomness in your shuffles use the random number generator in System.Security.Cryptography like so: using System.Security....
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Create boolean column in MySQL with false as default value?

... into mytable () values (); Query OK, 1 row affected (0.00 sec) mysql> select * from mytable; +--------+ | mybool | +--------+ | 0 | +--------+ 1 row in set (0.00 sec) FYI: My test was done on the following version of MySQL: mysql> select version(); +----------------+ | version() ...
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Open new Terminal Tab from command line (Mac OS X)

...masReggi: Add -e 'tell application "Terminal" to do script "echo hello" in selected tab of the front window' to the end of the osascript command. – Gordon Davisson Aug 26 '12 at 20:14 ...