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Null coalescing in powershell

...ll values in the same order as the array created in Step 1. [0] is used to select the first element of the filtered array. Simplifying that: Create an array of possible values, in preferred order Exclude all null values from the array Take the first item from the resulting array Caveats Unlik...
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Hibernate error - QuerySyntaxException: users is not mapped [from users]

... bean class name is UserDetails Query query = entityManager. createQuery("Select UserName from **UserDetails** "); You do not give your table name on the Db. you give the class name of bean. share | ...
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no

...ver Management Studio. In the left pane right-click on the server node and select Activity Monitor. Take a look at the running processes. Normally most will be idle or running. When the problem occurs you can identify any blocked process by the process state. If you right-click on the process and se...
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The case against checked exceptions

...y a method signature. Here fopen requires that you pass it a string (or a char* in the case of C). If you give it something else you get a compile-time error. You didn't follow the protocol - you're not using the API properly. In some (obscure) languages the return type is part of the protocol too...
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Is there any way to change input type=“date” format?

...ser input. Browser vendors are encouraged to follow the user's preferences selection. For example, on Mac OS with the region "United States" selected in the Language & Text preferences pane, Chrome 20 uses the format "m/d/yy". The HTML5 specification does not include any means of overriding or...
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jQuery AJAX file upload PHP

...t type="file" onchange="saveFile(this)" > <br><br> Before selecting the file Open chrome console > network tab to see the request details. <br><br> <small>Because in this example we send request to https://stacksnippets.net/upload/image the response code will ...
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How to iterate over values of an Enum having flags?

... .Split(new[] { ", " }, StringSplitOptions.None) .Select(v => (Items)Enum.Parse(typeof(Items), v)); // This method will always end up with the most applicable values value = Items.Bar | Items.Baz; values = value.ToString() .Split(new[] { ", " }, StringSplit...
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What is a software framework? [closed]

...an abstraction in which common code providing generic functionality can be selectively overridden or specialized by user code providing specific functionality. Frameworks are a special case of software libraries in that they are reusable abstractions of code wrapped in a well-defined Application pro...
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jQuery : eq() vs get()

... the DOM elements matched by the jQuery object. http://api.jquery.com/eq-selector/ Description: Select the element at index n within the matched set. share | improve this answer | ...
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No Main() in WPF?

... in visual studio. Use the navigation bar > Method drop down list > select Main (greyed out). This takes you to App.g.i.cs. – P.Brian.Mackey Apr 6 '18 at 15:58 add a c...