Overview of inputs input_0.mp4 has the desired video stream and input_1.mp4 has the desired audio stream: In ffmpeg the streams look like this: $ ffmpeg -i input_0.mp4 -i input_1.mp4 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from ‘input_0.mp4’: Duration: 00:01:48.50, start: 0.000000, bitrate: 4144 kb/s Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280×720, 4014 kb/s, SAR 115:87 … Read more
dict.fromkeys directly solves the problem: >>> dict.fromkeys([1, 2, 3, 4]) {1: None, 2: None, 3: None, 4: None} This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument, which defaults to None, specifies the value to use for the keys. Note that the same object will be … Read more
Answer recommended by Go Language
You can define += operator for Dictionary, e.g., func += <K, V> (left: inout [K:V], right: [K:V]) { for (k, v) in right { left[k] = v } }
The name stands on the image. Mappr. The website is mappr.io. But I’m not sure if the product is still available. The company behind Mappr, Vibrand Data, has been acquired by Slice Technologies. And I don’t find any informations about Mappr there. So, good luck wile searching … Sources: http://mappr.io http://vibrantdata.io http://slice.com http://blog.slice.com