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How to shut down the computer from C#
...around numeric constants, optionally supports flags / bitmasks, and easily casts back and forth to the underlying numeric type.
– Andrew Rondeau
Aug 24 '17 at 17:14
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Is there a difference between single and double quotes in Java?
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For me, apostrophes literal automatically casted to int in such contexts. So it doesn't need to be char. Deservin' some downvotes... simplistic.
– Hydroper
Aug 23 '17 at 15:16
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What are the differences between PMD and FindBugs?
...method may return null, reference comparison of Boolean values, impossible cast, 32bit int shifted by an amount not in the range of 0-31, a collection which contains itself, equals method always returns true, an infinite loop, etc.
Usually each of them finds a different set of problems. Use both. T...
Extending from two classes
...rawback is that you cannot fit into the Mold of the Internal class using a cast.
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hasNext in Python iterators?
...ss of the Python community is staggering.
– Jonathan Cast
Aug 21 '17 at 13:48
nice answer, I'm copying this for ilustr...
How to replace all occurrences of a character in string?
...td::string::replace() instead of std::replace()! 'x' (char) is implicitely casted to size_t [value 120], thus the whole string or or part of it will be filled up with 120 copies of 'y'.
– IBue
Feb 19 '15 at 18:41
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How do I invoke a Java method when given the method name as a string?
...me);
String name = (String) getNameMethod.invoke(dog); // explicit cast
// with multiple parameters
methodName = "printDog";
Class<?>[] paramTypes = {String.class, int.class};
Method printDogMethod = dog.getClass().getMethod(methodName, paramTypes);
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Example of UUID generation using Boost in C++
...streaming support - there is a stringstream example. Or let boost::lexical_cast<std::string>(uuid) do that for you.
– Georg Fritzsche
Jul 15 '10 at 16:41
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How are multi-dimensional arrays formatted in memory?
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The code usually crashes at run-time when array of type int[N][M] is type-casted and then accessed as type int**, for example:
((int**)a1)[1][0] //crash on dereference of a value of type 'int'
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The performance impact of using instanceof in Java
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If "object" is an instance of ObjT, casting it is a little faster than doing an instanceof, but the difference my quick test found was 10-20ms over 10,000,000 iterations. If "object" isn't an ObjT, though, catching the exception was over 3000x slower - over 31,...