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Convert int to ASCII and back in Python
...I to int:
ord('a')
gives 97
And back to a string:
in Python2: str(unichr(97))
in Python3: chr(97)
gives 'a'
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PHP - how to create a newline character?
...eak generated elsewhere (e. g., using double quoted string "\r\n" or using chr function chr(0x0D).chr(0x0A)), the only other way to have a line break within a single quoted string is to literally type it with your editor:
$s = 'some text before the line break
some text after';
Make sure to check ...
Can I mask an input text in a bat file?
... %%_ In (_) Do Rem"') Do Set "BS=%%#"
Set "Line="
:_PasswordInput_Kbd
Set "CHR=" & For /F skip^=1^ delims^=^ eol^= %%# in (
'Replace.exe "%~f0" . /U /W') Do Set "CHR=%%#"
If !CHR!==!CR! Echo(&Goto :Eof
If !CHR!==!BS! (If Defined Line (Set /P "=!BS! !BS!" <Nul
Set "Line=!Line:~0,-1!"
)
) E...
Stripping everything but alphanumeric chars from a string in Python
... all the characters you wish to delete:
delchars = ''.join(c for c in map(chr, range(256)) if not c.isalnum())
(2) Whenever you want to scrunch a string:
scrunched = s.translate(None, delchars)
The setup cost probably compares favourably with re.compile; the marginal cost is way lower:
C:\jun...
New line in Sql Query
...
-- Access:
SELECT CHR(13) & CHR(10)
-- SQL Server:
SELECT CHAR(13) + CHAR(10)
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How do you echo a 4-digit Unicode character in Bash?
...nd the u, but works fine when that dot is omitted.
– Chris Johnson
Feb 15 '13 at 20:28
...
Warning message: In `…` : invalid factor level, NA generated
...3 obs. of 2 variables:
$ Type : Factor w/ 1 level "": NA 1 1
$ Amount: chr "100" "0" "0"
>
> fixed <- data.frame("Type" = character(3), "Amount" = numeric(3),stringsAsFactors=FALSE)
> fixed[1, ] <- c("lunch", 100)
> str(fixed)
'data.frame': 3 obs. of 2 variables:
$ Type ...
How do I include a newline character in a string in Delphi?
... Label2.Caption := 'Hello,'#13#10'world!';
Label3.Caption := 'Hello,' + chr(13) + chr(10) + 'world!';
stlst := TStringList.Create;
stlst.Add('Hello,');
stlst.Add('world!');
Label4.Caption := stlst.Text;
Label5.WordWrap := True; //Multi-line Caption
Label5.Caption := 'Hello,'^M^J'wor...
Writing Unicode text to a text file?
...
from collections import Counter
try: # use these if Python 2
unicode_chr, range = unichr, xrange
except NameError: # Python 3
unicode_chr = chr
exclude_categories = set(('Co', 'Cn'))
counts = Counter()
control_names = dict(enumerate(controlnames))
with io.open('unidata', 'w', encoding='ut...
iterating over each character of a String in ruby 1.8.6 (each_char)
...alue of each char in an ASCII string:
"ABCDEFG".each_byte do |i|
puts i.chr # Fixnum#chr converts any number to the ASCII char it represents
end
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