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The SQL OVER() clause - when and why is it useful?

...does the function Over do? What does Partitioning By do? Why can't I make a query with writing Group By SalesOrderID ? ...
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Why no ICloneable?

... it does not specify whether the result is a deep or a shallow copy. I think this is why they do not improve this interface. You can probably do a typed cloning extension method, but I think it would require a different name since extension methods have less priority than original ones. ...
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How can I change property names when serializing with Json.net?

... DataSet object. I can serialize it right now using a Json.net converter like this 3 Answers ...
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How to customize the background color of a UITableViewCell?

I would like to customize the background (and maybe the border too) of all of the UITableViewCells within my UITableView. So far I have not been able to customize this stuff, so I have a bunch of white background cells which is the default. ...
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How to check if an object is a generator object in python?

In python, how do I check if an object is a generator object? 9 Answers 9 ...
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How to delete cookies on an ASP.NET website

In my website when the user clicks on the "Logout" button, the Logout.aspx page loads with code Session.Clear() . 10 Answe...
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What are the benefits of dependency injection containers?

I understand benefits of dependency injection itself. Let's take Spring for instance. I also understand benefits of other Spring featureslike AOP, helpers of different kinds, etc. I'm just wondering, what are the benefits of XML configuration such as: ...
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How can I create directory tree in C++/Linux?

...function that can be compiled with C++ compilers. /* @(#)File: mkpath.c @(#)Purpose: Create all directories in path @(#)Author: J Leffler @(#)Copyright: (C) JLSS 1990-2020 @(#)Derivation: mkpath.c 1.16 2020/06/19 15:08:10 */ /*TABSTOP=4*/ #include "posixver.h" #i...
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Convert from MySQL datetime to another format with PHP

... If you're looking for a way to normalize a date into MySQL format, use the following $phpdate = strtotime( $mysqldate ); $mysqldate = date( 'Y-m-d H:i:s', $phpdate ); The line $phpdate = strtotime( $mysqldate ) accepts a string and per...
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Padding characters in printf

...e pad string has to be hardcoded to be longer than the longest one you think you'll need, but the padlength can be a variable as shown. However, you can replace the first line with these three to be able to use a variable for the length of the pad: padlimit=60 pad=$(printf '%*s' "$padlimit") pad=${...