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How to set Python's default version to 3.x on OS X?
...tain Lion and the basic default Python version is 2.7. I downloaded Python 3.3 and want to set it as default.
21 Answers
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Replace one substring for another string in shell script
...urrences, use ${parameter//pattern/string}:
message='The secret code is 12345'
echo "${message//[0-9]/X}"
# prints 'The secret code is XXXXX'
(This is documented in the Bash Reference Manual, §3.5.3 "Shell Parameter Expansion".)
Note that this feature is not specified by POSIX — it...
Python string.replace regular expression [duplicate]
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str.replace() v2|v3 does not recognize regular expressions.
To perform a substitution using a regular expression, use re.sub() v2|v3.
For example:
import re
line = re.sub(
r"(?i)^.*interfaceOpDataFile.*$",
"interfac...
What to put in a python module docstring? [closed]
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answered Mar 31 '10 at 23:28
Alex MartelliAlex Martelli
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
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355
It means you're trying to install an app with the same packageName as an app that's already in...
How to concatenate stdin and a string?
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edited Dec 14 '12 at 18:32
answered Dec 14 '12 at 18:24
s...
Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
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mikemaccana
73k6161 gold badges289289 silver badges368368 bronze badges
answered Dec 9 '13 at 4:12
lame_coderlame_...
Maximum value for long integer
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133
Long integers:
There is no explicitly defined limit. The amount of available address space for...
Signtool error: No certificates were found that met all given criteria with a Windows Store App?
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edited Mar 13 '15 at 12:02
answered Dec 16 '14 at 14:55
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Capitalize the first letter of both words in a two word string
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173
The base R function to perform capitalization is toupper(x). From the help file for ?toupper th...