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Impressive results.

Impressive results.

Originally shared by DPReview

Our review of the Sigma 35mm F1.4 DG HSM lens. Earlier this year Sigma outlined a new vision for its product line-up, with lenses to be split into three categories: Contemporary, Sports and Art. The 35mm F1.4 DG HSM is the first release in the latter, and is designed to offer a relatively affordable alternative to the camera manufacturers' equivalents. It works on both full frame and APS-C cameras, and will be available in mounts for all major brands. http://ow.ly/gi9Sa

Olivier writes about the implementation of Qt's signal/slot system

Originally shared by Woboq GmbH

Olivier writes about the implementation of Qt's signal/slot system

http://woboq.com/blog/how-qt-signals-slots-work.html