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In Python, using argparse, allow only positive integers
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type would be the recommended option to handle conditions/checks, as in Yuushi's answer.
In your specific case, you can also use the choices parameter if your upper limit is also known:
parser.add_argument('foo', type=int, choices=xrange(5, 10))
Note: Use range ...
How do I specify a single test in a file with nosetests?
I have a file called test_web.py containing a class TestWeb and many methods named like test_something().
6 Answers
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
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Laravel supports aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Sch...
Running Python on Windows for Node.js dependencies
...'t find Python executable "python", you can set the PYTHON env variable.
And in your comment, you say you did this:
set PYTHONPATH=%PYTHONPATH%;C:\My_python_lib
That's nice, but that doesn't set the PYTHON variable, it sets the PYTHONPATH variable.
Meanwhile, just using the set command only ...
Why are nested weights bad for performance? Alternatives?
...easurements
increase exponentially.
It's better to use RelativeLayouts and adjust your view according to the places of other views without using specific dpi values.
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How do I run a Python script from C#?
...e in varying degrees, but I feel it has not been answered in a concise way and so I ask it again.
8 Answers
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How do I pause my shell script for a second before continuing?
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Use the sleep command.
Example:
sleep .5 # Waits 0.5 second.
sleep 5 # Waits 5 seconds.
sleep 5s # Waits 5 seconds.
sleep 5m # Waits 5 minutes.
sleep 5h # Waits 5 hours.
sleep 5d # Waits 5 days.
One can also employ decimals when specifyin...
Is there a naming convention for Django apps
...lowercase names, although the use of underscores is
discouraged.
So, 1 and 3 are both valid, but 3 would be the recommended approach.
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How to find out if an installed Eclipse is 32 or 64 bit version?
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Hit Ctrl+Alt+Del to open the Windows Task manager and switch to the processes tab.
32-bit programs should be marked with *32.
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How to not wrap contents of a div?
...he buttons are too long, they wrap – one button stays on the first line, and the next button follows underneath it instead of adjacent to it.
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