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Declaring an unsigned int in Java
...f you need to store large values.
You can also use a signed integer as if it were unsigned. The benefit of two's complement representation is that most operations (such as addition, subtraction, multiplication, and left shift) are identical on a binary level for signed and unsigned integers. A few ...
HashMap get/put complexity
...e are used to saying that HashMap get/put operations are O(1). However it depends on the hash implementation. The default object hash is actually the internal address in the JVM heap. Are we sure it is good enough to claim that the get/put are O(1) ?
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Regular Expression to find a string included between two characters while EXCLUDING the delimiters
...ract from a string a set of characters which are included between two delimiters, without returning the delimiters themselves.
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QString to char* conversion
... app(argc, argv);
QString str1 = "Test";
QByteArray ba = str1.toLocal8Bit();
const char *c_str2 = ba.data();
printf("str2: %s", c_str2);
return app.exec();
}
So perhaps you're having other problems. How exactly doesn't this work?
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abort, terminate or exit?
...follow
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edited Jan 5 at 20:38
S.S. Anne
13.1k66 gold badges2727 silver badges5959 bronze badges
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What is a Java ClassLoader?
In a few simple sentences, what is a Java ClassLoader, when is it used and why?
7 Answers
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Using msbuild to execute a File System Publish Profile
I have a c# .Net 4.0 project created with VS2010 and now being accessed with VS2012.
7 Answers
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Importing two classes with same name. How to handle?
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You can omit the import statements and refer to them using the entire path. Eg:
java.util.Date javaDate = new java.util.Date()
my.own.Date myDate = new my.own.Date();
But I would say that using two classes with the same name and a s...
What is the difference between a weak reference and an unowned reference?
...ng the referred object).
But why two keywords? This distinction has to do with the fact that Optional types are built-in the Swift language. Long story short about them: optional types offer memory safety (this works beautifully with Swift's constructor rules - which are strict in order to provide t...
Why are Subjects not recommended in .NET Reactive Extensions?
I am currently getting to grips with the Reactive Extensions framework for .NET and I am working my way through the various introduction resources I've found (mainly http://www.introtorx.com )
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