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Explicit vs implicit SQL joins

Is there any efficiency difference in an explicit vs implicit inner join? For example: 12 Answers ...
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count(*) vs count(column-name) - which is more correct? [duplicate]

Does it make a difference if you do count(*) vs count(column-name) as in these two examples? 5 Answers ...
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Import package.* vs import package.SpecificType [duplicate]

... There is not a performance or overhead cost to doing import .* vs importing specific types. However, I consider it to be a best practice to never use import .* My primary reason for this is I just like to keep things straightward, clean and with as little ambiguity as possible, and I t...
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Team city unmet requirement: MSBuildTools12.0_x86_Path exists

...from my x64 machine based on this article so that I didn't need to install vs2012 (though, I did have the change the path to remove x86 on the 32bit machine): ...
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Debugging doesn't start [closed]

... me. The short way to do this: msdn.microsoft.com/en-us/library/ms185330(v=vs.100).aspx – Claudiu Constantin May 27 '13 at 13:52 ...
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ICollection Vs List in Entity Framework

...ot focused directly at EF but still hope it will be of greater help: List vs IEnumerable vs IQueryable vs ICollection vs IDictionary share | improve this answer | follow ...
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SQL “select where not in subquery” returns no results

...blog describe the differences between the methods in more detail: NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: SQL Server NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: PostgreSQL NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: Oracle NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: MySQL There...
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Search stops working for “Entire Solution”

...eak did not work for me. Instead, Ctrl + ScrollLockdid work. This was on VS2010. – Ray Jun 3 '11 at 23:36 ...
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Using Git with Visual Studio [closed]

...dennison: According to this page (code.google.com/p/gitextensions) it is a VS 2005/2008 plugin. – Jonas May 6 '09 at 11:32 10 ...
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Setting Icon for wpf application (VS 08)

... Assuming you use VS Express and C#. The icon is set in the project properties page. To open it right click on the project name in the solution explorer. in the page that opens, there is an Application tab, in this tab you can set the icon. ...