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Test PHP headers with PHPUnit

...olated process. Here is an example <?php class FooTest extends PHPUnit_Framework_TestCase { /** * @runInSeparateProcess */ public function testBar() { header('Location : http://foo.com'); } } This will result in: $ phpunit FooTest.php PHPUnit 3.6.10 by Sebas...
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UICollectionView current visible cell index

...ndexPath); } } Update to Swift 5: func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) { for cell in yourCollectionView.visibleCells { let indexPath = yourCollectionView.indexPath(for: cell) print(indexPath) } } ...
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Why does volatile exist?

...one. Essentially we did this: void waitForSemaphore() { volatile uint16_t* semPtr = WELL_KNOWN_SEM_ADDR;/*well known address to my semaphore*/ while ((*semPtr) != IS_OK_FOR_ME_TO_PROCEED); } Without volatile, the optimizer sees the loop as useless (The guy never sets the value! He's nuts, g...
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How to create a density plot in matplotlib?

... Sven has shown how to use the class gaussian_kde from Scipy, but you will notice that it doesn't look quite like what you generated with R. This is because gaussian_kde tries to infer the bandwidth automatically. You can play with the bandwidth in a way by changing the...
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How to compile and run C/C++ in a Unix console/Mac terminal?

...pp -o main.out", and get this error, Undefined symbols for architecture x86_64: "std::__1::locale::use_facet(std::__1::locale::id&) const", ... turns out the reason is, gcc default-links is libc. while using g++ will link with libstdc++. So use "g++ main.cpp -o main.out" may be better. ...
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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]

... a reference to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in the binary representation of a class or interface. The CONSTANT_String_info structure gives the sequence of Unicode code points constituting the string literal. The Java programming la...
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Client on node: Uncaught ReferenceError: require is not defined

...s now deprecated github.com/componentjs/component – i_emmanuel Jul 17 '17 at 12:35  |  show 6 more comments ...
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@selector() in Swift?

... for: .touchUpInside) view.perform(#selector(UIView.insertSubview(_:aboveSubview:)), with: button, with: otherButton) The great thing about this approach? A function reference is checked by the Swift compiler, so you can use the #selector expression only with class/method pair...
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Draw line in UIView

...Path(context); before CGContextMoveToPoint(...);? – i_am_jorf Nov 9 '11 at 18:38 37 Using a view ...
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Learning Python from Ruby; Differences and Similarities

...at to the collection each method (if list supported this method): def some_operation(value): ... collection.each(some_operation) That doesn't flow very nicely. So, typically the following non-functional approach would be used in Python: for value in collection: ... Using resources in a sa...