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What does it mean if a Python object is “subscriptable” or not?

... It basically means that the object implements the __getitem__() method. In other words, it describes objects that are "containers", meaning they contain other objects. This includes strings, lists, tuples, and dictionaries. ...
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How can I read a function's signature including default argument values?

... @darth_coder: In Python2, getargspec raises TypeError if the input is not recognized as a Python function -- that is, a function implemented in Python. In CPython, Exception.__init__ is implemented in C, hence the TypeError. You'll...
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How to Batch Rename Files in a macOS Terminal?

...bash is the default shell on macOS): for f in *.png; do echo mv "$f" "${f/_*_/_}"; done Note: If there's a chance that your filenames start with -, place -- before them[1]: mv -- "$f" "${f/_*_/_}" Note: echo is prepended to mv so as to perform a dry run. Remove it to perform actual renaming. Y...
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rails i18n - translating text with links inside

... en.yml log_in_message_html: "This is a text, with a %{href} inside." log_in_href: "link" login.html.erb <p> <%= t("log_in_message_html", href: link_to(t("log_in_href"), login_path)) %> </p> ...
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Return positions of a regex match() in Javascript?

... any, of the input word inside the String object String.prototype.matching_positions = function( _word, _case_sensitive, _whole_words, _multiline ) { /*besides '_word' param, others are flags (0|1)*/ var _match_pattern = "g"+(_case_sensitive?"i":"")+(_multiline?"m":"") ; var _bound = _whol...
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Facebook Callback appends '#_=_' to Return URL

Facebook callback has started appending #_=_ hash underscore to the Return URL 23 Answers ...
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How do I filter query objects by date range in Django?

... Use Sample.objects.filter(date__range=["2011-01-01", "2011-01-31"]) Or if you are just trying to filter month wise: Sample.objects.filter(date__year='2011', date__month='01') Edit As Bernhard Vallant said, if you want a query...
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Does MongoDB's $in clause guarantee order

...ly have two options. So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in to the $in as [ 4, 2, 8 ]. Approach using Aggregate var list = [ 4, 2, 8 ]; db.collection.aggregate([ // Match the selected documents by "_id" ...
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What's the (hidden) cost of Scala's lazy val?

...nswered Jun 15 '10 at 7:51 oxbow_lakesoxbow_lakes 127k5252 gold badges305305 silver badges442442 bronze badges ...
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What's the common practice for enums in Python? [duplicate]

... @Joan You could do _unused, Shaded, Shiny, Transparent, Matte = range(5) – zekel Dec 9 '10 at 2:12 81 ...