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Returning unique_ptr from functions
...lause in the language specification that this exploits?
Yes, see 12.8 §34 and §35:
When certain criteria are met, an implementation is allowed to omit the copy/move construction of a class object [...]
This elision of copy/move operations, called copy elision, is permitted [...]
in a ret...
Converting newline formatting from Mac to Windows
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134
Windows uses carriage return + line feed for newline:
\r\n
Unix only uses Line feed for newli...
How to set different label for launcher rather than activity title?
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471
Apparently <intent-filter> can have a label attribute. If it's absent the label is inher...
How to check if hex color is “too black”?
...= 0.2126 * r + 0.7152 * g + 0.0722 * b; // per ITU-R BT.709
if (luma < 40) {
// pick a different colour
}
EDIT
Since May 2014 tinycolor now has a getBrightness() function, albeit using the CCIR601 weighting factors instead of the ITU-R ones above.
EDIT
The resulting luma value range is ...
Why does Maven have such a bad rep? [closed]
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48 Answers
48
Active
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What is HTML5 ARIA?
...e with the node.
– Franci Penov
Sep 4 '12 at 16:28
2
Please keep in mind: role="menu" and "menuit...
Responsive image align center bootstrap 3
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574
If you're using Bootstrap v3.0.1 or greater, you should use this solution instead. It doesn't ov...
In Intellij IDEA how do I replace text with a new line?
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answered Jan 19 '14 at 17:14
Andrey ChaschevAndrey Chaschev
14.4k44 gold badges4141 silver badges6161 bronze badges
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How do I convert a decimal to an int in C#?
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Use Convert.ToInt32 from mscorlib as in
decimal value = 3.14m;
int n = Convert.ToInt32(value);
See MSDN. You can also use Decimal.ToInt32. Again, see MSDN. Finally, you can do a direct cast as in
decimal value = 3.14m;
int n = (int) value;
which uses the explicit cast operator. ...
Differences between MySQL and SQL Server [closed]
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140
One thing you have to watch out for is the fairly severe differences in the way SQL Server and...