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Grid of responsive squares

...isplay: flex; flex-wrap: wrap; justify-content: center; } .square-grid__cell { background-color: rgba(0, 0, 0, 0.03); box-shadow: 0 0 0 1px black; overflow: hidden; position: relative; } .square-grid__content { left: 0; position: absolute; top: 0; } .square-grid__cell:after { ...
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Multiple levels of 'collection.defaultdict' in Python

... @ScienceFriction Anything specific that you need help with? When d[new_key] is accessed, it will call the lambda which will create a new defaultdict(int). And when d[existing_key][new_key2] is accessed, a new int will be created. – interjay Oct 11 '13 at 1...
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Python - Get path of root project structure

...tils.py In definitions.py you can define (this requires import os): ROOT_DIR = os.path.dirname(os.path.abspath(__file__)) # This is your Project Root Thus, with the Project Root known, you can create a variable that points to the location of the configuration (this can be defined anywhere, but ...
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Best way to organize jQuery/JavaScript code (2013) [closed]

...eplace them with units that are loosely coupled. So, instead of having: ad_unit1.js $("#au1").click(function() { ... }); ad_unit2.js $("#au2").click(function() { ... }); I will have: ad_unit.js: var AdUnit = function(elem) { this.element = elem || new jQuery(); } AdUnit.prototype....
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Implementing slicing in __getitem__

... The __getitem__() method will receive a slice object when the object is sliced. Simply look at the start, stop, and step members of the slice object in order to get the components for the slice. >>> class C(object): ......
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What does __FILE__ mean in Ruby?

... It is a reference to the current file name. In the file foo.rb, __FILE__ would be interpreted as "foo.rb". Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files: # test.rb puts __FILE__ require './dir2/test.rb' # di...
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How to implement an ordered, default dict? [duplicate]

...eredDict): # Source: http://stackoverflow.com/a/6190500/562769 def __init__(self, default_factory=None, *a, **kw): if (default_factory is not None and not isinstance(default_factory, Callable)): raise TypeError('first argument must be callable') Ordered...
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Dictionary vs Object - which is more efficient and why?

... Have you tried using __slots__? From the documentation: By default, instances of both old and new-style classes have a dictionary for attribute storage. This wastes space for objects having very few instance variables. The space consumption can ...
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Python Process Pool non-daemonic?

... The multiprocessing.pool.Pool class creates the worker processes in its __init__ method, makes them daemonic and starts them, and it is not possible to re-set their daemon attribute to False before they are started (and afterwards it's not allowed anymore). But you can create your own sub-class o...
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Python memoising/deferred lookup property decorator

... from boltons.cacheutils import cachedproperty class Foo(object): def __init__(self): self.value = 4 @cachedproperty def cached_prop(self): self.value += 1 return self.value f = Foo() print(f.value) # initial value print(f.cached_prop) # cached property is c...