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Convert to absolute value in Objective-C
...), fabsf(float), fabs(double), or fabsl(long double).
Those functions are all part of the C standard library, and so are present both in Objective-C and plain C (and are generally available in C++ programs too.)
(Alas, there is no habs(short) function. Or scabs(signed char) for that matter...)
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Is there a constraint that restricts my generic method to numeric types?
...uce Eckel:
And it's not clear that the added complexity is worth the small yield that you get. If something you want to do is not directly supported in the constraint system, you can do it with a factory pattern. You could have a Matrix<T>, for example, and in that Matrix you would like to...
Good Hash Function for Strings
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Usually hashes wouldn't do sums, otherwise stop and pots will have the same hash.
and you wouldn't limit it to the first n characters because otherwise house and houses would have the same hash.
Generally hashs take values and...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
...>
# include <cstdarg>
#endif
/*
TODO: intern strings instead of allocation.
*/
/*
gcc:
g++ -Wall -DDEBUG tinyxml2.cpp xmltest.cpp -o gccxmltest.exe
Formatting, Artistic Style:
AStyle.exe --style=1tbs --indent-switches --break-closing-brackets --indent-preproce...
Consistency of hashCode() on a Java string
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@Felype: I really don't know what you're trying to say here, I'm afraid.
– Jon Skeet
Jun 18 '13 at 11:30
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Understanding Spring @Autowired usage
...where, and does that for you.
Full explanation
The @Autowired annotation allows you to skip configurations elsewhere of what to inject and just does it for you. Assuming your package is com.mycompany.movies you have to put this tag in your XML (application context file):
<context:component-sca...
How to send objects through bundle
...d on interpretations of what that data means or points to. You can't literally pass an object, but what you can do is one of three things:
1) You can break the object down to its constitute data, and if what's on the other end has knowledge of the same sort of object, it can assemble a clone from ...
Get the current git hash in a Python script
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git describe --always will fallback to the last commit if no tags are found
– Leonardo
Mar 6 '15 at 16:38
5
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How can I make a TextArea 100% width without overflowing when padding is present in CSS?
...In chrome, when you focus textarea element it's gets hightlighted automatically and if you create padding for div wrapper, this padding will be visible and two borders will be visible because of that. One from hightlighting and another from .textwrapper border:1px solid #999999;
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Changing case in Vim
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Visual select the text, then U for uppercase or u for lowercase. To swap all casing in a visual selection, press ~ (tilde).
Without using a visual selection, gU<motion> will make the characters in motion uppercase, or use gu<motion> for lowercase.
For more of these, see Section 3 in ...