getting a good sample of pixels from an image

lets say I have a big image with about 90% greenish pixels, 9% bluish pixels and 1% brownish pixels. I want to get a sample of only 100 pixels from the whole image having around maybe 2000,000 pixels.

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I am trying to read the input from a keyboard which i will use to create a set of multiplications. If i hardcode the integer to use then the program works fine however when i let the user enter their

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I am trying to generate a simple list from a series of tables in a MySQL database. The SQL I am using is:

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The singular and plural forms are the same and I get an undefined_method error when trying to hit the New method.

电视机盒子安装了当贝市场无显示？？

去南极旅游有哪些注意事项？