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Two single-column indexes vs one two-column index in MySQL?

... the statement I provided. Additionally, MySQL can only use one index per SELECT so a covering index would be the best means of optimizing your queries. share | improve this answer | ...
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Get Insert Statement for existing row in MySQL

... See this if you get the error mysqldump: Couldn't execute 'SELECT @@GTID_MODE': Unknown system variable 'GTID_MODE' (1193) gist.github.com/arun057/5556563 – Daniel Schaffer Jul 12 '13 at 22:39 ...
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Reading CSV file and storing values into an array

... LINQ way: var lines = File.ReadAllLines("test.txt").Select(a => a.Split(';')); var csv = from line in lines select (from piece in line select piece); ^^Wrong - Edit by Nick It appears the original answerer was attempting to populate csv with a...
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Populating a razor dropdownlist from a List in MVC

...leaner separation. First create a viewmodel to store the Id the user will select along with a list of items that will appear in the DropDown. ViewModel: public class UserRoleViewModel { // Display Attribute will appear in the Html.LabelFor [Display(Name = "User Role")] public int Sele...
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How to make ng-repeat filter out duplicate results

... unique filter) and use it directly in the ng-options (or ng-repeat). <select ng-model="orderProp" ng-options="place.category for place in places | unique:'category'"> <option value="0">Default</option> // unique options from the categories </select> ...
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“405 method not allowed” in IIS7.5 for “PUT” method

...ick on "WebDAV". 5.Click on "Request Restrictions". 6.In the tab "Verbs" select "All verbs" . 7.Press OK. share | improve this answer | follow | ...
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Block commenting in Ruby

... In TextMate, you can alt-drag vertically to select a column of text. This will duplicate the insertion point across all the lines you select, so you can insert or delete multiple #s at once. UPDATE: Also in TextMate, assuming you have the right language selected, Cmd ...
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How do you copy and paste into Git Bash

... With QuickEdit on this becomes pretty easy: select, Enter, Insert – gphilip Feb 10 '14 at 8:49 3 ...
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Code formatting shortcuts in Android Studio for Operation Systems

...System Settings → Keyboard → Shortcuts tab → System → Lock Screen. Select the row New Accelerator..., then press any special key with the Alpha key (e.g. Shift + L). You should've successfully changed the keyboard shortcut. Check if the keyboard shortcut now works in Android Studio. Altern...
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How do I remove javascript validation from my eclipse project?

...validation all together is too drastic. Fortunately with Eclipse, you can selectively remove some JavaScript sources from validation. Right-click your project. Navigate to: Properties → JavaScript → Include Path Select Source tab. (It looks identical to Java Build Path Source tab.) Expand Jav...