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How to calculate percentage with a SQL statement

I have a SQL Server table that contains users & their grades. For simplicity's sake, lets just say there are 2 columns - name & grade . So a typical row would be Name: "John Doe", Grade:"A". ...
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Unix tail equivalent command in Windows Powershell

I have to look at the last few lines of a large file (typical size is 500MB-2GB). I am looking for a equivalent of Unix command tail for Windows Powershell. A few alternatives available on are, ...
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What's the difference between the build and create methods in FactoryGirl?

The Factory Girl introduction delineates the difference between FactoryGirl.build() and FactoryGirl.create() : 3 Answer...
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TortoiseHg Apply a Patch

...to email a patch file of your changes to someone, but does it support applying patches? 4 Answers ...
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How to apply an XSLT Stylesheet in C#

I want to apply an XSLT Stylesheet to an XML Document using C# and write the output to a File. 4 Answers ...
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What events does an fire when it's value is changed?

Just wondering whether anyone knows what events an HTML5 <input type="number" /> element fires when its up / down arrows are clicked: ...
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How did this person code “Hello World” with Microsoft Paint?

I have just seen this within the past few days and cannot figure out how it works. The video I talk about is here : 3 Ans...
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Asp.net - Add blank item at top of dropdownlist

Why is the dropdown not showing my blank item first? Here is what I have 10 Answers 10...
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In-place edits with sed on OS X

I'd like edit a file with sed on OS X. I'm using the following command: 6 Answers 6 ...
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Detect if homebrew package is installed

...m about to write a shell script to detect if several homebrew packages are installed in the system. Is there a way to use a brew command to achieve that? ...