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R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
...n cannot return the value and then increment like a postincrement ++. It's more similar to += or preincrement ++.
– Megatron
Jul 10 '15 at 18:52
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Center image in div horizontally [duplicate]
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View a list of recent documents in Vim
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HashSet versus Dictionary w.r.t searching time to find if an item exists
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not None test in Python [duplicate]
...for why the val != None is not recommended: If val can be either None or a more complex thing, like a numpy array, it's not entirely clear whether this intends to be an element-wise comparison (e.g: arr>0 will produce a list of indices at which elements of arr are positive), so if you expect val...
Explain Python entry points?
...y_point group name, which is "console_scripts". Compare this answer to the more general answer by Petri. You'll see that setuptools must be using this pkg_resources mechanism to get the console_scripts and then create a shell wrapper around them. Inspiring? Use these. They are good for more than jus...
jQuery Click fires twice when clicking on label
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How do I convert a hexadecimal color to rgba with the Less compiler?
... @mousio If you want to get really technical, I believe it's more accurately the proportion of the "translucent" color to blend with the color of each pixel which the element overlays -- see en.wikipedia.org/wiki/Alpha_compositing#Alpha_blending :) But in practical terms, of course you...