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How do I get the name of the active user via the command line in OS X?
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In what sense is 'whoami' obsoleted? Who has declared it obsolete?
– Jonathan Leffler
Jul 9 '09 at 16:46
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Why do browsers match CSS selectors from right to left?
...dly not the browser's situation. The browser is trying to render Gmail or whatever and has the one <span> it's trying to style and the 10,000+ rules Gmail puts in its stylesheet (I'm not making that number up).
In particular, in the situation the browser is looking at most of the selectors i...
Make body have 100% of the browser height
...than the viewport and that the background image continues to repeat/scroll/whatever when you start scrolling down.
Remember if you have to support IE6 you will need to find a way to wedge in height:100% for body, IE6 treats height like min-height anyway.
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Visual Studio replace tab with 4 spaces?
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What about tab size and indent size?
– Magallo
Apr 21 '15 at 10:24
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What is ApplicationException for in .NET?
...roff There is one more thing which I'm surprised don't get more attention. What is an "application" really? What about third-party libraries? Since these are not part of the .Net framework, they should by the original guidelines inherit from ApplicationException. Now when you use that library in you...
How to import classes defined in __init__.py
..." really starts to loose meaning in that example. However, you've shown me what I was looking for.
– scottm
Feb 24 '09 at 21:06
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How to use OrderBy with findAll in Spring Data
...rs code because it's not where the problem was and if someone doesn't know what should be there, hopefully they will learn something new. Besides, it's in my example below so they wouldn't have to search god knows where, but if you insist, then so be it :) Added 'all' keyword. Thanks.
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Is there a good reason to use upper case for SQL keywords? [closed]
...or keywords? I started using upper case because I was just trying to match what SQL Server gives me whenever I tried to create something, like a new stored procedure. But then, I felt terrible for my baby (5th) finger, that always needs to hold down the Shift button, so I stopped using upper case....
What is the maximum length of data I can put in a BLOB column in MySQL?
What is the maximum length of data I can put in a BLOB column in MySQL?
3 Answers
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Return a “NULL” object if search result not found
...oost::optional<Attr&>();
}
A boost::optional signifies exactly what is going on here, and has easy methods for inspecting whether such an attribute was found.
Side note: std::optional was recently voted into C++17, so this will be a "standard" thing in the near future.
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