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How to fix getImageData() error The canvas has been tainted by cross-origin data?

...ribute('crossOrigin', '') and had to append a timestamp to the URL's query string to avoid a 304 response lacking the Access-Control-Allow-Origin header. This gives me var url = 'http://lorempixel.com/g/400/200/'; var imgObj = new Image(); imgObj.src = url + '?' + new Date().getTime(); imgObj.set...
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Preserving order with LINQ

... Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5} – Marc Gravell♦ Oct 15 '08 at 14:33 ...
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What is HTML5 ARIA?

...dern web applications. Before ARIA, the browser had no way to expose this extra richness to the accessibility API or AT. The classic example of this issue is adding a click handler to an image. It creates what appears to be a clickable button to a mouse user, but is still just an image to a keybo...
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Generating random numbers in Objective-C

...te the S-Boxes via arc4random_addrandom(). There is no need to call arc4random_stir() before using arc4random(), since arc4random() automatically initializes itself. EXAMPLES The following produces a drop-in replacement for the traditional rand() and random() functions using ...
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Why do pthreads’ condition variable functions require a mutex?

...ad could come out when there was no work to be done. So you had to have an extra variable indicating that work should be done (this was inherently mutex-protected with the condvar/mutex pair here - other threads needed to lock the mutex before changing it however). It was technically possible for a...
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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js

...tatic files from a public directory. I'm using the express.js and am not really sure how to allow cross-domain scripting ( Access-Control-Allow-Origin: * ). ...
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How do I add a margin between bootstrap columns without wrapping [duplicate]

... Sep 25 '13 at 17:00 Charles IngallsCharles Ingalls 4,22755 gold badges2020 silver badges3232 bronze badges ...
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How to create a shared library with cmake?

...none was specified.") set(CMAKE_BUILD_TYPE "${DEFAULT_BUILD_TYPE}" CACHE STRING "Choose the type of build." FORCE) # Set the possible values of build type for cmake-gui set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo") endif() include(GNUIns...
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Select random lines from a file

... @MonaJalal nope just faster, since it doesn't have to compare lines at all. – rogerdpack May 15 '17 at 17:20 Does ...
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Should I declare Jackson's ObjectMapper as a static field?

...hey are fully immutable, thread-safe, meaning that it is not even theoretically possible to cause thread-safety issues (which can occur with ObjectMapper if code tries to re-configure instance). share | ...