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Return a value if no rows are found in Microsoft tSQL

... S.Id = @SiteId and S.Status = 1 AND (S.WebUserId = @WebUserId OR S.AllowUploads = 1) share | improve this answer | follow | ...
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Recommended way of making React component/div draggable

...React.createClass({ getDefaultProps: function () { return { // allow the initial position to be passed in as a prop initialPos: {x: 0, y: 0} } }, getInitialState: function () { return { pos: this.props.initialPos, dragging: false, rel: null // position...
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Python constructors and __init__

Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class? ...
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?

...ff using decimal numbers is A LOT more intuitive (we have 10 fingers after all - at least most of us), so declaring a number of something using hexadecimals seems like an unnecessary code obfuscation. – Andrew Cyrul Apr 13 '17 at 9:27 ...
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Difference between len() and .__len__()?

Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ? 4 Answers ...
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Handlebars.js Else If

... {{#if FriendStatus.IsFriend}} <div class="ui-state-default ui-corner-all" title=".ui-icon-mail-closed"><span class="ui-icon ui-icon-mail-closed"></span></div> {{else if FriendStatus.FriendRequested}} <div class="ui-state-default ui-corner-all" title=".ui-icon-check"&g...
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How do I sort an observable collection?

...the end of the sorted partition from the unsorted. Worst case O(n). Essentially a selection sort (See below for output). public static void Sort<T>(this ObservableCollection<T> collection) where T : IComparable<T>, IEquatable<T> { List<T> sorted = co...
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Callback functions in C++

In C++, when and how do you use a callback function? 10 Answers 10 ...
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Pass data to layout that are common to all pages

...website which have a layout page. However this layout page have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties. ...
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Replacing spaces with underscores in JavaScript?

...e to replace spaces with _, it works for the first space in the string but all the other instances of spaces remain unchanged. Anybody know why? ...