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Does order of where clauses matter in SQL?
...our two conditions in. I assume other RDBMS will have similar strategies.
What does matter is whether or not you have a suitable index for this!
In the case of SQL Server, it will likely use an index if you have:
an index on (LastName, FirstName)
an index on (FirstName, LastName)
an index on jus...
How do I close a single buffer (out of many) in Vim?
...s are
lost.
The file remains unaffected.
If you know what you're doing, you can also use :bw
:bw
Like |:bdelete|, but really delete the
buffer.
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How to tell if browser/tab is active [duplicate]
...
But what if the user switches tab whilst the page loads, before $(window)focus/blur has been called? Depending on your use case, this might mess up the callback status, and any background job? (For example, if you start the backg...
the source file is different from when the module was built
...e VS2010, pulled a new copy from our source control. None of this worked, what I finally ended up trying was right clicking on the project and rebuilding each project individually. That updated the .dlls and .pdb files so I could debug through.
The issue here is that your dll and or your pdb file...
Bash command to sum a column of numbers [duplicate]
... awk is the correct tool for the job! The bc solution is OK but what happens when you need to sum two columns or perhaps filter out negative numbers. With awk you can easily and sensibly add in extra logic, with the bc solution you end up with piping through yet another command (cut or gr...
Removing the title text of an iOS UIBarButtonItem
What I wanted to do is to remove the text from the 'Back' button of a UIBarButtonItem , leaving only the blue chevron on the navigation bar. Keep in mind that I'm developing for iOS 7. I've tried several methods, including, but not limited to:
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How to implement a secure REST API with node.js
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what's the point on using an apitoken? is it a "secondary" password?
– Salvatorelab
Feb 14 '14 at 12:13
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How do I filter query objects by date range in Django?
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What's date1's datatype? I've got datetime object now.
– user469652
Jan 12 '11 at 12:25
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How do you get the footer to stay at the bottom of a Web page?
...th some contents of the .content overflowing into the footer for who-knows-what-reason. And I guess that with sth like Sass and variables, it could be ever more flexible.
– themarketka
Dec 5 '14 at 20:16
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How to copy a directory structure but only include certain files (using windows batch files)
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@Niels Brinch Yes, you should be able to do that. What is the exact command line you are using?
– aphoria
Sep 19 '12 at 23:53
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