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SQL Server: Difference between PARTITION BY and GROUP BY

I've been using GROUP BY for all types of aggregate queries over the years. Recently, I've been reverse-engineering some code that uses PARTITION BY to perform aggregations. In reading through all the documentation I can find about PARTITION BY , it sounds a lot like GROUP BY , maybe with a ...
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Matplotlib 2 Subplots, 1 Colorbar

...ayout, and then tweak the coordinates for subplots_adjust and add_axes manually. – user1748155 Sep 26 '13 at 22:08 2 ...
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innerText vs innerHTML vs label vs text vs textContent vs outerText

... a couple of differences: Note that while textContent gets the content of all elements, including <script> and <style> elements, the mostly equivalent IE-specific property, innerText, does not. innerText is also aware of style and will not return the text of hidden elements, whereas te...
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Are NSLayoutConstraints animatable? [duplicate]

...g now (I was using this pattern before but still with no success)...I was calling setNeedsLayout instead of layoutIfNeeded Surely a DOH moment! Actually just changing a constraint automatically calls setNeedsLayout so I guess layoutIfNeeded overrides it somehow. – borrrden ...
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Run PHP Task Asynchronously

...egistration' button, I don't want to make them wait until the email is actually sent, I just want to start the process, and return a message to the user right away. ...
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Split string with multiple delimiters in Python [duplicate]

...think there is. See my comment on your post below. – alldayremix Feb 21 '13 at 23:23 18 I'd prefe...
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How to write a simple database engine [closed]

...ny, so I am hoping someone else can point me in the right direction. Basically, I would like information on the following: ...
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Creating a “logical exclusive or” operator in Java

...Here's an example: public static void main(String[] args) { boolean[] all = { false, true }; for (boolean a : all) { for (boolean b: all) { boolean c = a ^ b; System.out.println(a + " ^ " + b + " = " + c); } } } Output: false ^ false = false f...
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Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC

...ifferent role for those people who are in Marketing. So, you are forced to allow all marketing people to create Customers. you spotted another problem, anytime you decide that Marketing people should be allowed to create customers, you have to update all of your MVC Action methods Authorize attrib...
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How do I grep recursively?

How do I recursively grep all directories and subdirectories? 25 Answers 25 ...