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What is the difference between UTF-8 and ISO-8859-1?
... is not backwards compatible with ISO-8859-1:
#!/usr/bin/env python3
c = chr(0xa9)
print(c)
print(c.encode('utf-8'))
print(c.encode('iso-8859-1'))
Output:
©
b'\xc2\xa9'
b'\xa9'
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Create an empty data.frame
...t
$ Factors : Factor w/ 0 levels:
$ Logicals : logi
$ Characters: chr
N.B. :
Initializing a data.frame with an empty column of the wrong type does not prevent further additions of rows having columns of different types.
This method is just a bit safer in the sense that you'll have the c...
Remove characters except digits from string using Python?
...n table (a string of length 256) which in this case is the same as ''.join(chr(x) for x in range(256)) (just faster to make;-). .translate applies the translation table (which here is irrelevant since all essentially means identity) AND deletes characters present in the second argument -- the key pa...
How to remove \xa0 from string in Python?
...
\xa0 is actually non-breaking space in Latin1 (ISO 8859-1), also chr(160). You should replace it with a space.
string = string.replace(u'\xa0', u' ')
When .encode('utf-8'), it will encode the unicode to utf-8, that means every unicode could be represented by 1 to 4 bytes. For this case, ...
Removing all non-numeric characters from string in Python
...eed some prep:
>>> import string
>>> allchars = ''.join(chr(i) for i in xrange(256))
>>> identity = string.maketrans('', '')
>>> nondigits = allchars.translate(identity, string.digits)
>>> s = 'abc123def456'
>>> s.translate(identity, nondigits)
...
How do I download a file over HTTP using Python?
...]" % (file_size_dl, file_size_dl * 100. / file_size)
status = status + chr(8)*(len(status)+1)
print status,
f.close()
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...
Explode PHP string by new line
...
try
explode(chr(10), $_POST['skuList']);
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filter for complete cases in data.frame using dplyr (case-wise deletion)
... - attr(*, "na.action")= 'omit' Named int 3 4
## ..- attr(*, "names")= chr "3" "4"
ADDED Have updated to reflect latest version of dplyr and comments.
ADDED Have updated to reflect latest version of tidyr and comments.
...
Convert bytes to a string
...is easy:
>>> bytes_data = [112, 52, 52]
>>> "".join(map(chr, bytes_data))
'p44'
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Remove non-utf8 characters from string
...f the form 11xxxxxx.
// Encode as 11000011 10xxxxxx.
return "\xC3".chr(ord($captures[3])-64);
}
}
preg_replace_callback($regex, "utf8replacer", $text);
EDIT:
!empty(x) will match non-empty values ("0" is considered empty).
x != "" will match non-empty values, including "0".
x !== "" wi...