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Why does `a == b or c or d` always evaluate to True?
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156
In many cases, Python looks and behaves like natural English, but this is one case where that ...
Pandas conditional creation of a series/dataframe column
...', 'green', 'red')
print(df)
yields
Set Type color
0 Z A green
1 Z B green
2 X B red
3 Y C red
If you have more than two conditions then use np.select. For example, if you want color to be
yellow when (df['Set'] == 'Z') & (df['Type'] == 'A')
otherwise blu...
Implement paging (skip / take) functionality with this query
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In SQL Server 2012 it is very very easy
SELECT col1, col2, ...
FROM ...
WHERE ...
ORDER BY -- this is a MUST there must be ORDER BY statement
-- the paging comes here
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; --...
Run JavaScript when an element loses focus
...lur event :
<input type="text" name="name" value="value" onblur="alert(1);"/>
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what is the unsigned datatype?
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143
unsigned really is a shorthand for unsigned int, and so defined in standard C.
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How to verify a method is called two times with mockito verify()
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How do .gitignore exclusion rules actually work?
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155
/a/b/c/*
!foo
Seems to work for me (git 1.7.0.4 on Linux). The * is important as otherwise yo...
Difference between HTML “overflow : auto” and “overflow : scroll”
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189
Auto will only show a scrollbar when any content is clipped.
Scroll will however always show ...