...42); // create an instance of the functor class int i = add42(8); // and "call" it assert(i == 50); // and it added 42 to its argument std::vector<int> in; // assume this contains a bunch of values) std::vector<int> out(in.size()); // Pass a functor to std::transform, which calls the fu...

...o, using String for logic operations is rather slow, and is not advised at all, since the JVM converts the String to a StringBuffer in the bytecode. A lot of overhead is wasted converting from String to StringBuffer and then back to String again. – Pieter van Niekerk ...

... The method [collectionView visibleCells] give you all visibleCells array you want. Use it when you want to get - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{ for (UICollectionViewCell *cell in [self.mainImageCollection visibleCells]) { NSIndexP...

...ode version is available singleton.py. Please file bugs here. You can install tend using one of the following methods: easy_install tendo pip install tendo manually by getting it from http://pypi.python.org/pypi/tendo sh...

I have a public async void Foo() method that I want to call from synchronous method. So far all I have seen from MSDN documentation is calling async methods via async methods, but my whole program is not built with async methods. ...

... JQuery library was developed specifically to simplify and to unify certain JavaScript functionality. However if you need to check a variable against undefined value, there is no need to invent any special method, since JavaScript has a typeof operator, which is...

...er 7 and later will auto-parameterize queries, so using parameters isn't really necessary from a performance standpoint - it is, however, critical from a security standpoint - especially with user inputted data like this. sh...

.... Following snippets will produce no code if sizeof(someThing) equals PAGE_SIZE; otherwise they will produce a compile-time error. 1. C11 way Starting with C11 you can use static_assert (requires #include <assert.h>). Usage: static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure do...

...self—is useful in JavaScript; it is a technique for converting function calls with multiple arguments into chains of function calls with a single argument for each call, but JavaScript supports multiple arguments in a single function call. In JavaScript—and I assume most other actual languages...

... contains JSON per line, you are saved the headaches of trying to parse it all in one go or to figure out a streaming JSON parser. You can now opt to process each line separately before moving on to the next, saving memory in the process. You probably don't want to append each result to one list and...