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java: (String[])List.toArray() gives ClassCastException
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This is the correct solution, but not the correct explanation. You can't cast Object[] to Double[] because it's a language feature, nothing ...
Using new line(\n) in string and rendering the same in HTML
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edited Oct 4 '16 at 0:35
Felix Kling
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Razor View Engine : An expression tree may not contain a dynamic operation
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301
It seems to me that you have an untyped view. By default, Razor views in MVC3 RC are typed as d...
Pandas DataFrame column to list [duplicate]
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270
You can use the Series.to_list method.
For example:
import pandas as pd
df = pd.DataFrame({'a...
How to Set Focus on Input Field using JQuery
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edited Jul 18 '11 at 20:27
answered Jul 18 '11 at 20:08
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How to read from stdin line by line in Node
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edited Mar 20 '15 at 14:45
Gavin
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answered Nov 20 '13...
Why sizeof int is wrong, while sizeof(int) is right?
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101
The following could be ambiguous:
sizeof int * + 1
Is that (sizeof (int*)) + 1, or (sizeof(i...
Read and overwrite a file in Python
...ilename, 'r+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
The functionality will likely also be cleaner and safer using open as a context manager, which will close the file handler, even if an error occurs!
with open(filename, 'r+') as f:
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How do I convert an interval into a number of hours with postgres?
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Probably the easiest way is:
SELECT EXTRACT(epoch FROM my_interval)/3600
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When to use std::forward to forward arguments?
C++0x shows an example of using std::forward :
3 Answers
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