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Rename an environment with virtualenvwrapper
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210
You can use:
cpvirtualenv oldenv newenv
rmvirtualenv oldenv
So in your case:
cpvirtualenv do...
css rotate a pseudo :after or :before content:“”
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370
Inline elements can't be transformed, and pseudo elements are inline by default, so you must app...
Convert to binary and keep leading zeros in Python
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Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 characters ...
How to sum a variable by group
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404
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1...
What is the difference between Reader and InputStream?
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dimo414
40.6k1616 gold badges121121 silver badges205205 bronze badges
answered Dec 6 '10 at 14:54
Berin Lorits...
Can I assume (bool)true == (int)1 for any C++ compiler?
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edited Apr 27 '10 at 21:14
Joe
36.7k1414 gold badges9898 silver badges116116 bronze badges
ans...
Which is better, return “ModelAndView” or “String” on spring3 controller
...eturning both model and view information from a controller in pre-Spring 2.0. Now you can combine the Model parameter and the String return value, but the old approach is still valid.
share
|
improv...
Why use apparently meaningless do-while and if-else statements in macros?
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#define BAR(X) do { \
int i = f(X); \
if (i > 4) g(i); \
} while (0)
You don't have to use do ... while, you could cook up something with if ... else as well, although when if ... else expands inside of an if ... else it leads to a "dangling else", which could make an existing dangling el...
Improve subplot size/spacing with many subplots in matplotlib
...before show()
– pyj
Apr 9 '16 at 15:02
6
...
How to find largest objects in a SQL Server database?
...ages,
sum(a.data_pages) as DataPages,
(sum(a.total_pages) * 8) / 1024 as TotalSpaceMB,
(sum(a.used_pages) * 8) / 1024 as UsedSpaceMB,
(sum(a.data_pages) * 8) / 1024 as DataSpaceMB
FROM
sys.tables t
INNER JOIN
sys.indexes i ON t.object_id = i.object_id
INNER JOIN
...