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What does !! mean in ruby?
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161
Not not. It's used to convert a value to a boolean:
!!nil #=> false
!!"abc" #=> true...
Drawable image on a canvas
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179
The good way to draw a Drawable on a canvas is not decoding it yourself but leaving it to the ...
The resulting API analysis is too large when upload app to mac store
...eated App Scanner to do the same thing, but it hasn't been updated since 2011. Unfortunately, for large projects -- and this includes projects with a lot of extra pods from CocoaPods -- there is no current (2014) good way of solving this problem other than proactively naming things such that they wo...
Render HTML to PDF in Django site
...gIO()
pdf = pisa.pisaDocument(StringIO.StringIO(html.encode("ISO-8859-1")), result)
if not pdf.err:
return HttpResponse(result.getvalue(), content_type='application/pdf')
return HttpResponse('We had some errors<pre>%s</pre>' % escape(html))
Then you can use it like...
Add floating point value to android resources/values
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Python 3: ImportError “No Module named Setuptools”
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Soham Dongargaonkar
60311 gold badge44 silver badges2121 bronze badges
answered Jan 20 '13 at 16:27
tiagotiago
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Delete Local Folder in TFS
...fic Version" or "Advanced > Get Specific Version" and specify Changeset 1.
Here's why from Martin Woodward's TFS Top Tips:
...if you do a "Get Specific Version..." on the files, and select Changeset 1, the files will be deleted locally and the server will know this. The color of the file in the...
LEFT OUTER joins in Rails 3
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111
@posts = Post.joins("LEFT OUTER JOIN users ON users.id = posts.user_id").
joins(...
How to create an infinite loop in Windows batch file?
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answered Mar 30 '11 at 14:14
thkalathkala
73.8k1919 gold badges141141 silver badges184184 bronze badges
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