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How can a LEFT OUTER JOIN return more records than exist in the left table?

...are matching records on the right table -- at least 1, but could easily be more than 1. share | improve this answer | follow | ...
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What is the difference between integration testing and functional testing? [closed]

... Integration testing is when you test more than one component and how they function together. For instance how another system interacts with your system or the database interacts with your data abstraction layer. Usually this requires an fully installed system, a...
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What makes Scala's operator overloading “good”, but C++'s “bad”?

...la's flexible method naming which, IMHO, make Scala both less abusable and more abusable. In C++ the only way to get in-fix notation is using operators. Otherwise you must use object.message(argument) or pointer->messsage(argument) or function(argument1, argument2). So if you want a certain DS...
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Increasing the maximum number of TCP/IP connections in Linux

...eout = 60 This basically means your system cannot consistently guarantee more than (61000 - 32768) / 60 = 470 sockets per second. If you are not happy with that, you could begin with increasing the port_range. Setting the range to 15000 61000 is pretty common these days. You could further increase...
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PHP Pass variable to next page

...les. Sessions and cookies are quite easy to use, with session being by far more secure than cookies. More secure, but not completely secure. Session: //On page 1 $_SESSION['varname'] = $var_value; //On page 2 $var_value = $_SESSION['varname']; Remember to run the session_start(); statement on b...
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ReactJS Two components communicating

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What's the best three-way merge tool? [closed]

... More advantages of KDiff3: same interface for Linux and Windows, very smart algorithm for solving conflicts, regular expressions for automatically solving conflicts, integrate with ClearCase, SVN and Git, editable merged file...
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Coalesce function for PHP?

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What characters are allowed in an email address?

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What are .NET Assemblies?

... In more simple terms: A chunk of (precompiled) code that can be executed by the .NET runtime environment. A .NET program consists of one or more assemblies. ...