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Generic method multiple (OR) type constraint

... You can access the value through Primary and Alternate There are implicit converters between TP/TA and Either to allow you to pass either the values or an Either anywhere where one is expected. If you do pass an Either where a TA or TP is expected, but the Either contains the wrong type of value yo...
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Copy rows from one Datatable to another DataTable?

... then loop the code below. DataRow dr = dataset1.Tables[0].NewRow(); for (int i = 0; i < dataset1.Tables[1].Columns.Count; i++) { dr[dataset1.Tables[1].Columns[i].ColumnName] = dataset1.Tables[1].Rows[0][i]; } datasetReport.Tables[0].Rows.Add(dr); dataset1.Tables[1].Rows[0][i]; change the...
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Populating a razor dropdownlist from a List in MVC

... You can separate out your business logic into a viewmodel, so your view has cleaner 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 { ...
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Linux - Install redis-cli only

...uild dependencies too! cd deps make hiredis jemalloc linenoise lua geohash-int cd .. # compile it make # make it globally accesible sudo cp src/redis-cli /usr/bin/ share | improve this answer ...
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Example images for code and mark-up Q&As [closed]

...ed using Java as originally seen in this answer. It includes a Java based interface that defines the URLs and makes them easy to access. Details: 32x32 pixel PNG (4 colors x 5 shapes) with partial transparency (along the edges). Categories: png icons    ...
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Lightweight Java Object cache API [closed]

... time to live. EHCache does offer some advanced features, but if your not interested in using them - don't. But it's nice to know they are there if your requirements ever change. Here is an in memory cache. Created in code, with no configuration files. CacheManager cacheManager = CacheManager.g...
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Base constructor in C# - Which gets called first? [duplicate]

...ass Base { public Base() { Console.WriteLine("BASE 1"); } public Base(int x) { Console.WriteLine("BASE 2"); } } class Derived : Base { public Derived():base(10) { Console.WriteLine("DERIVED CLASS"); } } class MyClient { public static void Main() { Derived d1 = new Derived(); } } ...
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Jackson - Deserialize using generic class

...alize, you should use @JsonTypeInfo to let jackson write class information into your json data. What you can do is like this: Class Data <T> { int found; @JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.PROPERTY, property="@class") Class<T> hits } Then when...
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Clicking URLs opens default browser

... If you're using a WebView you'll have to intercept the clicks yourself if you don't want the default Android behaviour. You can monitor events in a WebView using a WebViewClient. The method you want is shouldOverrideUrlLoading(). This allows you to perform your o...
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Spring mvc @PathVariable

...}", method = RequestMethod.GET) public ModelAndView download(@PathVariable int documentId) { ModelAndView mav = new ModelAndView(); Document document = documentService.fileDownload(documentId); mav.addObject("downloadDocument", document); mav.setViewName("download"); return ma...