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How to set Python's default version to 3.x on OS X?

...n use command python, which will leaving the alias untouched, and works in all shells. If you launch interpreters more often (I do), you can always create more aliases to add as well, i.e.: alias 2='python2' alias 3='python3' Tip: For scripts, instead of using a shebang like: #!/usr/bin/env p...
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Eclipse - Unable to install breakpoint due to missing line number attributes

... The above didn't work for me. I had to click the 'Remove all Breakpoints' icon in the Eclipse > Breakpoints view, then re-add the breakpoints. That worked. – Vik David May 19 '11 at 14:05 ...
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How to convert a SVG to a PNG with ImageMagick?

... to convert it into a PNG, then I get a 16x16 pixel PNG which is way too small: 18 Answers ...
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check if variable is dataframe

...rame Yes: isinstance(x, pd.DataFrame) And don't even think about if obj.__class__.__name__ = 'DataFrame': expect_problems_some_day() isinstance handles inheritance (see What are the differences between type() and isinstance()?). For example, it will tell you if a variable is a string (eithe...
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How to change XAMPP apache server port?

...a free port number The default port used by Apache is 80. Take a look to all your used ports with Netstat (integrated to XAMPP Control Panel). Then you can see all used ports and here we see that the 80port is already used by System. Choose a free port number (8012, for this exemple). 2. Ed...
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OnCreateOptionsMenu() not called in Fragment

I have an app which got one activity with 2 fragments placed horizontally. 8 Answers 8...
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Get the Last Inserted Id Using Laravel Eloquent

... Actually you can do it right in the insert $id = DB::table('someTable')->insertGetId( ['field' => Input['data']); – Casey May 15 '14 at 15:05 ...
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Creating a new dictionary in Python

I want to build a dictionary in Python. However, all the examples that I see are instantiating a dictionary from a list, etc . .. ...
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Get selected subcommand with argparse

...s: >>> parser = argparse.ArgumentParser() >>> parser.add_argument('-g', '--global') >>> subparsers = parser.add_subparsers(dest="subparser_name") # this line changed >>> foo_parser = subparsers.add_parser('foo') >>> foo_parser.add_argument('-c', '--count...
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Creating a simple XML file using python

...ee tutorial. (With example code for loading the best available option from all major ElementTree implementations) As a final note, either cElementTree or LXML should be fast enough for all your needs (both are optimized C code), but in the event you're in a situation where you need to squeeze out ...