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How to remove leading zeros from alphanumeric text?
...s leading zeroes, but leaves one if necessary (i.e. it wouldn't just turn "0" to a blank string).
s.replaceFirst("^0+(?!$)", "")
The ^ anchor will make sure that the 0+ being matched is at the beginning of the input. The (?!$) negative lookahead ensures that not the entire string will be matched....
Spring RestTemplate - how to enable full debugging/logging of requests/responses?
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edited Oct 24 '18 at 8:00
answered Oct 8 '15 at 7:54
sof...
What is the fastest integer division supporting division by zero no matter what the result is?
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107
Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using
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Pandas - Get first row value of a given column
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To select the ith row, use iloc:
In [31]: df_test.iloc[0]
Out[31]:
ATime 1.2
X 2.0
Y 15.0
Z 2.0
Btime 1.2
C 12.0
D 25.0
E 12.0
Name: 0, dtype: float64
To select the ith value in the Btime column you could use:
In [30]: df_te...
Regular expression to match URLs in Java
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106
Try the following regex string instead. Your test was probably done in a case-sensitive manner....
How to suppress scientific notation when printing float values?
...%f' % (x/y)
but you need to manage precision yourself. e.g.,
'%f' % (1/10**8)
will display zeros only.
details are in the docs
Or for Python 3 the equivalent old formatting or the newer style formatting
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Number.sign() in javascript
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More elegant version of fast solution:
var sign = number?number<0?-1:1:0
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Change select box option background color
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How can I find the number of days between two Date objects in Ruby?
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How to model type-safe enum types?
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answered Aug 24 '09 at 11:07
skaffmanskaffman
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