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Set markers for individual points on a line in Matplotlib

... 337 Specify the keyword args linestyle and/or marker in your call to plot. For example, using a d...
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Python set to list

... Your code does work (tested with cpython 2.4, 2.5, 2.6, 2.7, 3.1 and 3.2): >>> a = set(["Blah", "Hello"]) >>> a = list(a) # You probably wrote a = list(a()) here or list = set() above >>> a ['Blah', 'Hello'] Check that you didn't overwrite list by accident...
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Fastest way to iterate over all the chars in a String

... 354 FIRST UPDATE: Before you try this ever in a production environment (not advised), read this fi...
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How to generate a random string in Ruby

... 34 characters and blazing fast: ('a'..'z').to_a.shuffle[0,8].join. Note you'll need Ruby >=1.9 to shuffle. – fny Jun 14 '12 at 17:35 ...
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Python dictionary: are keys() and values() always the same order?

... 365 Found this: If items(), keys(), values(), iteritems(), iterkeys(), and itervalues() ar...
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sort object properties and JSON.stringify

...ng object as well if you want something like this output: {"a":{"h":4,"z":3},"b":2,"c":1} You can do that with this: var flattenObject = function(ob) { var toReturn = {}; for (var i in ob) { if (!ob.hasOwnProperty(i)) continue; if ((typeof ob[i]) == 'object') { ...
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Numpy first occurrence of value greater than existing value

...nce are returned.") and doesn't save another list. In [2]: N = 10000 In [3]: aa = np.arange(-N,N) In [4]: timeit np.argmax(aa>N/2) 100000 loops, best of 3: 52.3 us per loop In [5]: timeit np.where(aa>N/2)[0][0] 10000 loops, best of 3: 141 us per loop In [6]: timeit np.nonzero(aa>N/2)[0...
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Ruby on Rails: How can I revert a migration with rake db:migrate?

... you want to revert. eg. if you want to revert a migration with file name 3846656238_create_users.rb rake db:migrate:down VERSION=3846656238 share | improve this answer | ...
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Writing Unicode text to a text file?

... 323 Deal exclusively with unicode objects as much as possible by decoding things to unicode object...
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Transparent ARGB hex value

... Robert 1,5081818 silver badges3333 bronze badges answered Apr 21 '14 at 16:21 theHackertheHacker 3,48011 gol...