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Using awk to remove the Byte-order mark
... Encoding Form
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00 00 FE FF | UTF-32, big-endian
FF FE 00 00 | UTF-32, little-endian
FE FF | UTF-16, big-endian
FF FE | UTF-16, little-endian
EF BB BF | UTF-8
Thus, you can see how \xef\xbb\xbf corresponds to EF BB BF UTF-8 BOM by...
pandas three-way joining multiple dataframes on columns
I have 3 CSV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person.
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How to get next/previous record in MySQL?
Say I have records with IDs 3,4,7,9 and I want to be able to go from one to another by navigation via next/previous links. The problem is, that I don't know how to fetch record with nearest higher ID.
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How to map with index in Ruby?
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answered Jan 15 '11 at 1:37
sepp2ksepp2k
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Is there an eval() function in Java? [duplicate]
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edited Sep 20 '15 at 13:57
System
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answered...
How to find all positions of the maximum value in a list?
...ored in big O
– michaelsnowden
Oct 23 '15 at 8:06
1
Theoretically O(N) and O(2N) are the same but...
Is APC compatible with PHP 5.4 or PHP 5.5?
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Zend OPC...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
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Display number with leading zeros
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In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the same behavior c...
What would a “frozen dict” be?
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edited May 31 at 7:25
answered Apr 24 '10 at 14:52
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