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What is the correct way of using C++11's range-based for?
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406
Let's start differentiating between observing the elements in the container
vs. modifying them...
How to get the number of characters in a std::string?
...trailing NULL), just dereference the first character.
const char *str = "\005hello";
std::cout << str + 1 << ":" << *str;
// Outputs "hello:5"
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Custom fonts in iOS 7
... file. Add "Fonts provided by application" key into your plist and in Item 0 copy the exact filename of the font you copied to your Supporting files WITH extension. For example: "JosefinSansStd-Light_0.otf"
Make sure that the font you imported to your app is being packed into app itself. Do that by ...
Google Maps V3 - How to calculate the zoom level for a given bounds
...same fraction of the width of the map (the angle difference in degrees / 360). At zoom zero, the whole world map is 256x256 pixels, and zooming each level doubles both width and height. So after a little algebra we can calculate the zoom as follows, provided we know the map's width in pixels. Note t...
Moment.js - how do I get the number of years since a date, not rounded up?
...ful fromNow method rounds up the years. For instance, if today is 12/27/2012 and the person's birth date is 02/26/1978, moment("02/26/1978", "MM/DD/YYYY").fromNow() returns '35 years ago'. How can I make Moment.js ignore the number of months, and simply return the number of years (i.e. 34) since...
Getting all names in an enum as a String[]
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In C#, how do I calculate someone's age based on a DateTime type birthday?
...Now it's much faster.
– JAG
Jan 22 '09 at 10:29
106
Given we're talking birthdays you can just us...
Interview question: Check if one string is a rotation of other string [closed]
...nk there are.)
– Jon Skeet
Mar 31 '10 at 14:55
6
You can also use (s1+s1).contains(s2) in Java.
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How do I get the size of a java.sql.ResultSet?
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Do a SELECT COUNT(*) FROM ... query instead.
OR
int size =0;
if (rs != null)
{
rs.last(); // moves cursor to the last row
size = rs.getRow(); // get row id
}
In either of the case, you won't have to loop over the entire data.
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