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How to fix the uninitialized constant Rake::DSL problem on Heroku?

...ixed my problems and I didn't know what was going on. (Using the rails installer on windows and deploying to heroku, as a complete beginner.) – Jack V. Jun 14 '11 at 22:46 1 ...
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How do I expand the output display to see more columns of a pandas DataFrame?

...: None] [currently: None] : float or None if set to a float value, all float values smaller then the given threshold will be displayed as exactly 0 by repr and friends. display.colheader_justify: [default: right] [currently: right] : 'left'/'right' Controls the justification ...
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Unexpected results when working with very big integers on interpreted languages

...em will work in this case, since Python switches to long integers automatically if needed. And if that's not enough, it will switch to big integers as well. – Alok Singhal Aug 4 '13 at 19:37 ...
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Render partial from different folder (not shared)

... partial (user control) from a different folder? With preview 3 I used to call RenderUserControl with the complete path, but whith upgrading to preview 5 this is not possible anymore. Instead we got the RenderPartial method, but it's not offering me the functionality I'm looking for. ...
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How to create a GUID/UUID in Python

... Also, have a look at the shortuuid module I wrote, as it allows you to generate shorter, readable UUIDs: github.com/stochastic-technologies/shortuuid – Stavros Korokithakis Dec 31 '12 at 16:22 ...
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What are the “standard unambiguous date” formats for string-to-date conversion in R?

...te (+1). However, the error message "standard unambiguous format" is ironically ambiguous, to which the 23 previous questions attest. A more direct error message like, "format not recognized, see documentation" might improve user experience. Also, I don't believe "01/01/2000" is ISO-8601 ("2000-01-0...
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How to make lists contain only distinct element in Python? [duplicate]

...ving return list(_f(seq, idfun)) def _f(seq, idfun=None): ''' Originally proposed by Andrew Dalke ''' seen = set() if idfun is None: for x in seq: if x not in seen: seen.add(x) yield x else: for x in seq: x = idfun(x) if x not in seen: s...
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How to get indices of a sorted array in Python

... you can get the sorted list and indicies by using zip: sorted_items, sorted_inds = zip(*sorted([(i,e) for i,e in enumerate(my_list)], key=itemgetter(1))) – Charles L. Nov 30 '15 at 2:58 ...
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Is there a way to make GHC provide the type class constraints of typed holes?

...ng out-of-scope types (use -fprint-potential-instances to see them all) • In the expression: show _ In an equation for ‘it’: it = show _ <interactive>:3:6: error: • Found hole: _ :: a0 Where: ‘a0’ is an ambiguous type variable • In the first argum...
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How to check null objects in jQuery

...em to have enough reputation to vote down the answer...) Wolf wrote: Calling length property on undefined or a null object will cause IE and webkit browsers to fail! Instead try this: // NOTE!! THE FOLLOWING IS WRONG; DO NOT USE! -- EleotleCram if($("#something") !== null){ // do ...