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Printing the value of a variable in SQL Developer

...utput). Press the "+" button at the top of the Dbms Output window and then select an open database connection in the dialog that opens. In SQL*Plus: SET SERVEROUTPUT ON share | improve this ans...
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How do you configure an OpenFileDialog to select folders?

In VS .NET, when you are selecting a folder for a project, a dialog that looks like an OpenFileDialog or SaveFileDialog is displayed, but is set up to accept only folders. Ever since I've seen this I've wanted to know how it's done. I am aware of the FolderBrowserDialog, but I've never really like...
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Is there a way to make a DIV unselectable?

... I wrote a simple jQuery extension to disable selection some time back: Disabling Selection in jQuery. You can invoke it through $('.button').disableSelection(); Alternately, using CSS (cross-browser): .button { user-select: none; -moz-user-select: none...
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How to implement classic sorting algorithms in modern C++?

...ed and hybrid amalgamation of more elementary sorting algorithms , such as selection sort, insertion sort, quick sort, merge sort, or heap sort. ...
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Find nearest latitude/longitude with an SQL query

... SELECT latitude, longitude, SQRT( POW(69.1 * (latitude - [startlat]), 2) + POW(69.1 * ([startlng] - longitude) * COS(latitude / 57.3), 2)) AS distance FROM TableName HAVING distance < 25 ORDER BY distance; where ...
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Delete all Duplicate Rows except for One in MySQL? [duplicate]

...te. INSERT INTO tempTableName(cellId,attributeId,entityRowId,value) SELECT DISTINCT cellId,attributeId,entityRowId,value FROM tableName; share | improve this answer | ...
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How do I add options to a DropDownList using jQuery?

...lugins, var myOptions = { val1 : 'text1', val2 : 'text2' }; var mySelect = $('#mySelect'); $.each(myOptions, function(val, text) { mySelect.append( $('<option></option>').val(val).html(text) ); }); If you had lots of options, or this code needed to be run very ...
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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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Best way to do nested case statement logic in SQL Server

... You could try some sort of COALESCE trick, eg: SELECT COALESCE( CASE WHEN condition1 THEN calculation1 ELSE NULL END, CASE WHEN condition2 THEN calculation2 ELSE NULL END, etc... ) share ...
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Disable/enable an input with jQuery?

....prop() or .attr() methods is that you can set the property for a bunch of selected items. Note: In 1.6 there is a .removeProp() method that sounds a lot like removeAttr(), but it SHOULD NOT BE USED on native properties like 'disabled' Excerpt from the documentation: Note: Do not use this me...