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Java String split removed empty values
... with limit set to negative value like
String[] split = data.split("\\|", -1);
Little more details:
split(regex) internally returns result of split(regex, 0) and in documentation of this method you can find (emphasis mine)
The limit parameter controls the number of times the pattern is applied and...
How to install PostgreSQL's pg gem on Ubuntu?
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19 Answers
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Changing a specific column name in pandas DataFrame
...ns = {'two':'new_name'})
In [28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e 5
Following is the docstring for the rename method.
Definition: df.rename(self, index=None, columns=None, copy=Tr...
In javascript, is an empty string always false as a boolean?
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Yes. Javascript is a dialect of ECMAScript, and ECMAScript language specification clearly defi...
Fundamental difference between Hashing and Encryption algorithms
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12 Answers
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How to customize the background/border colors of a grouped table view cell?
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Windows API Code Pack: Where is it? [closed]
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edited Jul 7 '14 at 4:29
answered Jun 26 '14 at 1:10
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Checking for empty arrays: count vs empty
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12 Answers
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How do I loop through a list by twos? [duplicate]
...u can use for in range with a step size of 2:
Python 2
for i in xrange(0,10,2):
print(i)
Python 3
for i in range(0,10,2):
print(i)
Note: Use xrange in Python 2 instead of range because it is more efficient as it generates an iterable object, and not the whole list.
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