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Why do we use __init__ in Python classes?
I am having trouble understanding the Initialization of classes.
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When do we need curly braces around shell variables?
In shell scripts, when do we use {} when expanding variables?
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MongoDB/NoSQL: Keeping Document Change History
...his approach is fine though when you're dealing with small-sized documents and/or don't update documents very often.
Only store changes in a new version
Another approach would be to store only the changed fields in a new version. Then you can 'flatten' your history to reconstruct any version of th...
How to redirect output of an entire shell script within the script itself?
...ll of the output of a Bourne shell script to somewhere, but with shell commands inside the script itself?
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Vim: Move cursor to its last position
...r to its previous position (while in normal mode)? Something to cycle back and forth in the list of previous cursor positions would be ideal. But also just to switch to the last location would suffice (something like cd - in bash with directories).
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Pythonic way to find maximum value and its index in a list?
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@SvenMarnach Why not key=lambda e: e[1] instead and thereby avoid the import?
– lifebalance
Aug 7 '17 at 6:19
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Why can't C++ be parsed with a LR(1) parser?
I was reading about parsers and parser generators and found this statement in wikipedia's LR parsing -page:
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prototype based vs. class based inheritance
In JavaScript, every object is at the same time an instance and a class. To do inheritance, you can use any object instance as a prototype.
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Swift how to sort array of custom objects by property value
lets say we have a custom class named imageFile and this class contains two properties.
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Converting NumPy array into Python List structure?
...nvert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast?
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