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How can a LEFT OUTER JOIN return more records than exist in the left table?
...ually want you can use aggregate functions (if for example you just want a string from the right part you could generate a column that is a comma delimited string of the right side results for that left row.
If you are only looking at 1 or 2 columns from the outer join you might consider using a sc...
Submit HTML form on self page
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Not so awesome. This would remove all query strings of the current URL if it has them.
– OMA
Aug 30 '19 at 17:13
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Javascript how to split newline
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It should be
yadayada.val.split(/\n/)
you're passing in a literal string to the split command, not a regex.
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How do I run all Python unit tests in a directory?
....
import glob
import unittest
test_files = glob.glob('test_*.py')
module_strings = [test_file[0:len(test_file)-3] for test_file in test_files]
suites = [unittest.defaultTestLoader.loadTestsFromName(test_file) for test_file in module_strings]
test_suite = unittest.TestSuite(suites)
test_runner = un...
Only variables should be passed by reference
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I agree. There's no point in using string manipulation to parse file paths when you have appropriate APIs to do so.
– gd1
Jan 7 '14 at 7:43
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Convert a bitmap into a byte array
...er format it was in when you provided it, and returns the array. Skip the extra overhead of creating an ImageConverter class by using MemoryStream
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How do I use a Boolean in Python?
...t use floats like that).
Also, empty lists [], empty tuplets (), and empty strings '' or "" evaluate to False.
Try it yourself with the function bool():
bool([])
bool(['a value'])
bool('')
bool('A string')
bool(True) # ;-)
bool(False)
bool(0)
bool(None)
bool(0.0)
bool(1)
etc..
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Is there a way to access method arguments in Ruby?
...o get it to work, otherwise you get a TypeError: can't convert Symbol into String
– Javid Jamae
Oct 11 '12 at 3:03
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What's a correct and good way to implement __hash__()?
... studied a wide variety of hash functions. He told me that
for c in some_string:
hash = 101 * hash + ord(c)
worked surprisingly well for a wide variety of strings. I've found that similar polynomial techniques work well for computing a hash of disparate subfields.
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target=“_blank” vs. target=“_new”
..._blank"
According to the HTML5 Spec:
A valid browsing context name is any string with at least one character that does not start with a U+005F LOW LINE character. (Names starting with an underscore are reserved for special keywords.)
A valid browsing context name or keyword is any string that is ei...