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How to get Activity's content view?
What method should I call to know if an Activity has its contentView (once the method setContentView() has been called)?
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Why would a static nested interface be used in Java?
...blic" on interface methods and "public final" on interface fields - the modifiers are redundant and just add clutter to the source code.
Either way, the developer is simply declaring an interface named Foo.Bar. There is no further association with the enclosing class, except that code which cannot ...
Java Class.cast() vs. cast operator
...t way in this case would be to do an instance of check first like this: if (cls.isInstance(o)){ return cls.cast(o); } Except if you're sure the type will be correct, of course.
– Puce
Jan 19 '12 at 8:57
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std::string to char*
...ar *; you aren't allowed to change the C-style string returned by c_str(). If you want to process it you'll have to copy it first:
std::string str = "string";
char *cstr = new char[str.length() + 1];
strcpy(cstr, str.c_str());
// do stuff
delete [] cstr;
Or in modern C++:
std::vector<char>...
Java RegEx meta character (.) and ordinary dot?
In Java RegEx, how to find out the difference between . (dot) the meta character and the normal dot as we using in any sentence. How to handle this kind of situation for other meta characters too like ( * , + , \d ,...)
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How to use timeit module
...tup code once and then make repeated calls to a series of statements. So, if you want to test sorting, some care is required so that one pass at an in-place sort doesn't affect the next pass with already sorted data (that, of course, would make the Timsort really shine because it performs best when...
Why does integer overflow on x86 with GCC cause an infinite loop?
...umes you won't cause undefined behavior, and optimizes away the loop test. If you really want wraparound, pass -fwrapv to g++ or gcc when compiling; this gives you well-defined (twos-complement) overflow semantics, but can hurt performance.
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Is it possible to use argsort in descending order?
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If you negate an array, the lowest elements become the highest elements and vice-versa. Therefore, the indices of the n highest elements are:
(-avgDists).argsort()[:n]
Another way to reason about this, as mentioned in the...
Returning from a finally block in Java
...you provided are reason enough to not use flow-control from finally.
Even if there's a contrived example where it's "better," consider the developer who has to maintain your code later and who might not be aware of the subtleties. That poor developer might even be you....
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How can I autoformat/indent C code in vim?
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What is the difference?
– Ton van den Heuvel
Mar 1 '10 at 13:35
3
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