Monthly Archive: March 2016

Create Bootable USB Flash Drive from ISO Image (with UEFI Support)

Update: If you’re looking for Windows 10 UEFI installation, take a look at the addendum at the end of the post! Although there are a lot of applications for creating a bootable flash drive using an ISO image (such as UNetBootin), not many of them support the creation of a bootable flash drive that can be used …

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Align Depth and Color Frames – Depth and RGB Registration

Sometimes it is necessary to create a point cloud from a given depth and color (RGB) frame. This is especially the case when a scene is captured using depth cameras such as Kinect. The process of aligning the depth and the RGB frame is called “registration” and it is very easy to do (and the …

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C++ Function in Header throws Linker “already defined” Errors

If you define a function in the global namespace in a C++ header file and encounter linker errors (complaining about the function already defined elsewhere), there’s a simple fix! Simply mark the function as inline. This will prevent the duplication of the function in other source files. Note that using inclusion guards does not solve …

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CGAL Point in Polyhedron Algorithm

The “point in polygon” or “point in polyhedron” is a classic computer graphics problem. The goal is to determine whether a given point is inside a polygon (in 2D) or a polyhedron (in 3D). One solution to the problem is shooting a ray originating from the said point to an arbitrary direction and determine the number …

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Undo a Git Commit on GitHub

In case you’ve pushed an unwanted commit to GitHub (or any upstream Git repository), you can simply undo it. To do so, move the HEAD to the commit that you want to undo to and then run the following command: git push -f origin HEAD^:master