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Only read selected columns
Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ?
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Java ...
iOS 7 status bar back to iOS 6 default style in iPhone app?
...container view controllers on iOS 7:
There is no way to preserve the iOS 6 style status bar layout. The status bar will always overlap your application on iOS 7
Do not confuse status bar appearance with status bar layout. The appearance (light or default) does not affect how the status bar is laid...
Are HLists nothing more than a convoluted way of writing tuples?
...ly[Monoid[Foo]]
val f = Foo(13, "foo") |+| Foo(23, "bar")
assert(f == Foo(36, "foobar"))
implicitly[Monoid[Bar]]
val b = Bar(true, "foo", 1.0) |+| Bar(false, "bar", 3.0)
assert(b == Bar(true, "foobar", 4.0))
There's no runtime iteration here, but there is duplication, which the use of HLists (or ...
UITextView that expands to text using auto layout
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16 Answers
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Rename specific column(s) in pandas
....rename(columns={'gdp':'log(gdp)'}, inplace=True)
10000 loops, best of 3: 168 µs per loop
%%timeit
df.columns = ['log(gdp)' if x=='gdp' else x for x in df.columns]
10000 loops, best of 3: 58.5 µs per loop
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Why do you have to call .items() when iterating over a dictionary in Python?
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answered Sep 19 '10 at 6:13
Alex MartelliAlex Martelli
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Tim DownTim Down
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No output to console from a WPF application?
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John LeidegrenJohn Leidegren
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Render HTML to PDF in Django site
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BSMP
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answered Sep 4 '09 at 7:12
Guillem GelabertGuille...