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Remove all special characters from a string in R?
...l(x, "[^[:alnum:]]", " ")
Note that the definition of what constitutes a letter or a number or a punctuatution mark varies slightly depending upon your locale, so you may need to experiment a little to get exactly what you want.
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Convert Python dictionary to JSON array
...sr/lib/python2.7/json/decoder.py", line 365, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python2.7/json/decoder.py", line 381, in raw_decode
obj, end = self.scan_once(s, idx)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xff in position 0: invalid start...
What is the difference between Reader and InputStream?
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An InputStream is the raw method of getting information from a resource. It grabs the data byte by byte without performing any kind of translation. If you are reading image data, or any binary file, this is the stream to use.
A Reader is design...
Regular Expression to match only alphabetic characters
...phabets and doesn't match Unicode characters. If you want to match Unicode letters then use:
/^\p{L}+$/u
Here, \p{L} matches any kind of letter from any language
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How to implement Enums in Ruby?
... you trip over them. The names of the enums must be all caps and the first letter of the module name must be capitalized for ruby to know that the module is a module of constants.
– Rokujolady
Apr 8 '13 at 18:41
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MySQL - ORDER BY values within IN()
...e (not in the list) will take precedence over the known values, i.e. FIELD(letter, 'A', 'C'), the list will first return entries with B letter first (assuming a set of records with A | B | C values). To avoid that, inverse the list and use DESC, i.e. FIELD(letter, 'C', 'A') DESC.
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How To Set Text In An EditText
...his the most upvoted & accepted answer?
– Hendy Irawan
Jan 29 '18 at 5:23
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How do I write a “tab” in Python?
... It just moves the text over by a default number of spaces. Maybe you can draw in characters what you want to appear. Is it --> ?
– Rick Henderson
May 20 '16 at 15:29
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Custom Python list sorting
... 2)]
you should sort the tuples by the second item, then the first:
def letter_cmp(a, b):
if a[1] > b[1]:
return -1
elif a[1] == b[1]:
if a[0] > b[0]:
return 1
else:
return -1
else:
return 1
Finally:
just sort(letter_cmp...
ASP.NET MVC 3: Override “name” attribute with TextBoxFor
...'s answer got me what I was looking for except you need to wrap in in Html.Raw
@Html.Raw(Html.TextBoxFor(x => x.Data).ToString().Replace("Data", "NewData"))
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