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How to pass command line arguments to a rake task

... symbol arguments to the task call. For example: require 'rake' task :my_task, [:arg1, :arg2] do |t, args| puts "Args were: #{args} of class #{args.class}" puts "arg1 was: '#{args[:arg1]}' of class #{args[:arg1].class}" puts "arg2 was: '#{args[:arg2]}' of class #{args[:arg2].class}" end ta...
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How to extract the n-th elements from a list of tuples?

...htly slower than the list comprehension: setup = 'elements = [(1,1,1) for _ in range(100000)];from operator import itemgetter' method1 = '[x[1] for x in elements]' method2 = 'map(itemgetter(1), elements)' import timeit t = timeit.Timer(method1, setup) print('Method 1: ' + str(t.timeit(100))) t = t...
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How do I determine the target architecture of static library (.a) on Mac OS X?

...lib/libiodbc.a Architectures in the fat file: /usr/lib/libiodbc.a are: x86_64 i386 ppc % lipo -info libnonfatarchive.a input file libnonfatarchive.a is not a fat file Non-fat file: libnonfatarchive.a is architecture: i386 % ...
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Tips for debugging .htaccess rewrite rules

...lse on your site. e.g #protect with a fake user agent RewriteCond %{HTTP_USER_AGENT} ^my-fake-user-agent$ #Here is the actual rule I am testing RewriteCond %{HTTP_HOST} !^www\.domain\.com$ [NC] RewriteRule ^ http://www.domain.com%{REQUEST_URI} [L,R=302] If you are using Firefox, you can use ...
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How to create a directory if it doesn't exist using Node.js?

...istsSync() isn't deprecated, exists() is though - nodejs.org/api/fs.html#fs_fs_existssync_path – Ian Chadwick Oct 18 '16 at 11:04 1 ...
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How to check if click event is already bound - JQuery

...this bug for details.) It is possible to access the same data with jQuery._data(elem, 'events'), an internal data structure, which is undocumented and therefore not 100% guaranteed to remain stable. This shouldn't, however, be a problem, and the relevant line of the plugin code above can be change...
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Verify version of rabbitmq

...n Windows this is very similar. "C:\Program Files\RabbitMQ Server\rabbitmq_server-3.6.5\sbin\rabbitmqctl status" Folder name may vary with your version of Rabbit. – dylanT Nov 10 '16 at 23:58 ...
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Serializing class instance to JSON

...N for your class. A simple solution would be to call json.dumps() on the .__dict__ member of that instance. That is a standard Python dict and if your class is simple it will be JSON serializable. class Foo(object): def __init__(self): self.x = 1 self.y = 2 foo = Foo() s = js...
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Get all object attributes in Python? [duplicate]

...w attributes inherited through a metaclass, or it may be overridden with a __dir__ method. – SingleNegationElimination Jul 30 '11 at 23:11 7 ...
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Private properties in JavaScript ES6 classes

...l super(). Yet babel puts them before super. – seeker_of_bacon Oct 3 '18 at 16:23 6 ...