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Determine if Python is running inside virtualenv

...r sys.base_prefix did not ever exist. So a fully robust check that handles all of these cases could look like this: import sys def get_base_prefix_compat(): """Get base/real prefix, or sys.prefix if there is none.""" return getattr(sys, "base_prefix", None) or getattr(sys, "real_prefix", No...
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How can I output leading zeros in Ruby?

...counter is known (e.g., n = 3 for counters 1..876), you can do str = "file_" + i.to_s.rjust(n, "0") share | improve this answer | follow | ...
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How do I remove  from the beginning of a file?

...oks fine when I open it using gedit , but when it's read by PHP (to merge all the CSS files into one), this CSS has the following characters prepended to it:  ...
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Pythonic way to combine FOR loop and IF statement

...>>> xyz = [0, 12, 4, 6, 242, 7, 9] >>> >>> known_things = sorted(set(a.iterkeys()).intersection(xyz)) >>> unknown_things = sorted(set(xyz).difference(a.iterkeys())) >>> >>> for thing in known_things: ... print 'I know about', a[thing] ... I k...
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How to check if object (variable) is defined in R?

... heh. Happens to me all the time when I am testing out examples before posting, Gavin or Josh have already answered it. – Maiasaura Feb 20 '12 at 22:17 ...
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How can I group data with an Angular filter?

...DATE: jsbin Remember the basic requirements to use angular.filter, specifically note you must add it to your module's dependencies: (1) You can install angular-filter using 4 different methods: clone & build this repository via Bower: by running $ bower install angular-filter from ...
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_

...lations are needed and used when ordering and comparing strings. It's generally a good idea to have a single, unique collation used throughout your database - don't use different collations within a single table or database - you're only asking for trouble.... Once you've settled for one single col...
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Python os.path.join on Windows

...'c:' 'c:\\' did not work (C:\\ created two backslashes, C:\ didn't work at all) Thanks again ghostdog74, Smashery, and Roger Pate. I am in your debt :) – Frank E. Mar 11 '10 at 6:12 ...
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Why is semicolon allowed in this python snippet?

...ot warrant the use of semicolons to end statements. So why is this (below) allowed? 15 Answers ...
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Are the PUT, DELETE, HEAD, etc methods available in most web browsers?

...eation of a new web page resource, the updating of the existing page, or all of the mentioned outcomes. The keyword dialog, mapping to the state dialog, indicating that submitting the form is intended to close the dialog box in which the form finds itself, if any, and otherwise not subm...