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Django South - table already exists

... Got it, thanks. It's actually migrate and not schemamigration, but your answer got me in the right direction. – Steve Jun 22 '10 at 7:17 ...
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I want to get the type of a variable at runtime

...that comparison return true, but it would require a few book chapters to really cover TypeTag, so I'll stop here. Finally, maybe you don't care about the type of the variable at all. Maybe you just want to know what is the class of a value, in which case the answer is rather simple: val x = 5 x.ge...
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SQL Add foreign key to existing column

...sed an error trying to create the relationships to the other table. Thanks all. – ExceptionLimeCat Apr 30 '12 at 20:35 ...
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Update multiple rows in same query using PostgreSQL

... This is wrong... You will update all rows, even if it is not '123' nor '345'. You should use WHERE column_b IN ('123','456')... – MatheusOl Sep 14 '13 at 3:54 ...
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Is it worth using Python's re.compile?

...uick glance at the actual Python 2.5 library code, I see that Python internally compiles AND CACHES regexes whenever you use them anyway (including calls to re.match()), so you're really only changing WHEN the regex gets compiled, and shouldn't be saving much time at all - only the time it takes to ...
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Should Gemfile.lock be included in .gitignore?

...gem, Gemfile.lock should be in your repository. It's used as a snapshot of all your required gems and their dependencies. This way bundler doesn't have to recalculate all the gem dependencies each time you deploy, etc. From cowboycoded's comment below: If you are working on a gem, then DO NOT c...
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How to print a percentage value in python?

... Is float(1) really more pythonic than 1.? – Tobias Kienzler Jul 17 '13 at 7:58 ...
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WatiN or Selenium? [closed]

.... It will be a major upgrade to the current CTP 2.0 versions and will basically give you the same functionality to automate FireFox and IE as version 1.3.0 offers for automating IE. So no concerns there. Hope this helps in making your choice Jeroen van Menen Lead dev WatiN ...
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remove objects from array by object property

...e.indexOf(obj.id) !== -1) { arrayOfObjects.splice(i, 1); } } All you need to do to fix the bug is decrement i for the next time around, then (and looping backwards is also an option): for (var i = 0; i < arrayOfObjects.length; i++) { var obj = arrayOfObjects[i]; if (listTo...
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Variable interpolation in the shell

I have a variable called filepath=/tmp/name . 3 Answers 3 ...