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DISTINCT for only one column

... needs a WHERE condition. I'm thinking the row numbers will be assigned to all rows in the table. This syntax is just a little beyond me. Any chance of an update that would guarantee one row with a particular email that meets the WHERE condition? – Jonathan Wood ...
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How to check for DLL dependency?

...metimes when I'm doing a little project I'm not careful enough and accidentally add a dependency for a DLL that I am not aware of. When I ship this program to a friend or other people, "it doesn't work" because "some DLL" is missing. This is of course because the program can find the DLL on my syst...
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Making code internal but available for unit testing from other projects

We put all of our unit tests in their own projects. We find that we have to make certain classes public instead of internal just for the unit tests. Is there anyway to avoid having to do this. What are the memory implication by making classes public instead of sealed? ...
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How can I take more control in ASP.NET?

...l give you programmatic access to the controls in their entirety including all attributes on the controls. Also, only the text box values will appear in the URL upon submission so your GET request URL will be more "meaningful" <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JonSkeetFor...
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“git rm --cached x” vs “git reset head --​ x”?

...wing: --soft Does not touch the index file nor the working tree at all (but resets the head to <commit>, just like all modes do). This leaves all your changed files "Changes to be committed", as git status would put it. --mixed Resets the index but not the working tree...
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How do I disable text selection with CSS or JavaScript? [duplicate]

I am making a HTML/CSS/jQuery gallery, with several pages. 5 Answers 5 ...
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How to change the button text of ?

...file fields of forms. It is a plugin for a jQuery-based component library called Twitter Bootstrap Sample usage: Include: <script type="text/javascript" src="js/bootstrap-filestyle.min.js"> </script> Via JavaScript: $(":file").filestyle(); Via data attributes: <input type="fi...
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Reducing memory usage of .NET applications?

...ry footprint. The MSDN blog post Working set != actual memory footprint is all about demystifying the working set, process memory and how to perform accurate calculations on your total in-RAM consumption. I will not say that you should ignore the memory footprint of your application -- obviously, s...
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LaTeX table positioning

... This is a really really useful package. Thanks for sharing! – John David Jun 9 at 3:30 add a comment ...
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How to recursively delete an entire directory with PowerShell 2.0?

What is the simplest way to forcefully delete a directory and all its subdirectories in PowerShell? I am using PowerShell V2 in Windows 7. ...