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When to use -retainCount?
...that @"Foo" would have a retainCount of 1. It doesn't. It's 1152921504606846975.
You'd think that [NSString stringWithString:@"Foo"] would have a retainCount of 1. It doesn't. Again, it's 1152921504606846975.
Basically, since anything can retain an object (and therefore alter its retainCount),...
Difference between wait and sleep
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368
wait waits for a process to finish; sleep sleeps for a certain amount of seconds.
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How do you specify the Java compiler version in a pom.xml file?
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Oh, and: don't use Java 1.3.x, current versions are Java 1.7.x or 1.8.x
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How to convert byte array to string and vice versa?
... a String using:
byte[] bytes = {...}
String str = new String(bytes, "UTF-8"); // for UTF-8 encoding
There are a bunch of encodings you can use, look at the Charset class in the Sun javadocs.
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How can I install Apache Ant on Mac OS X?
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How to create a static library with g++?
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answered May 10 '11 at 8:16
user2100815user2100815
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How can I delete one element from an array by value
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I think I've figured it out:
a = [3, 2, 4, 6, 3, 8]
a.delete(3)
#=> 3
a
#=> [2, 4, 6, 8]
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Clean ways to write multiple 'for' loops
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281
The first thing is that you don't use such a data structure. If
you need a three dimensional m...
C++ : why bool is 8 bits long?
In C++, I'm wondering why the bool type is 8 bits long (on my system), where only one bit is enough to hold the boolean value ?
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