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Search and replace in bash using regular expressions
...l" or PCRE extensions \s\S\w\W\d\D etc don't work as supported in php ruby python etc. These extensions are from Perl-compatible regular expressions (PCRE) and may not be compatible with other forms of shell based regular expressions.
These don't work:
#!/bin/bash
hello=ho02123ware38384you443d34o...
Elements order in a “for (… in …)” loop
...ink about objects as a hash map (table/whatever). In most languages (Java, Python, etc) these kinds of data structures are not sorted. So it is not surprising that this is the same case in JavaScript as well and it certainly does not make the specification wrong or stupid.
– Fe...
How do you iterate through every file/directory recursively in standard C++?
...it take you to write that? I think it would take less time to glue C++ to python and do it in one line.
– Dustin Getz
Oct 24 '08 at 14:00
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sed edit file in place
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@EdwardGarson: IIRC, Solaris ships with Perl but not Python or Ruby. And like I've said before, the OP can't achieve the desired outcome using Solaris sed.
– Steve
Jul 23 '15 at 1:25
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How to replace a string in multiple files in linux command line
...eplace, the most general and powerful tool I'm aware of is repren, a small Python script I wrote a while back for some thornier renaming and refactoring tasks. The reasons you might prefer it are:
Support renaming of files as well as search-and-replace on file contents.
See changes before you comm...
str.startswith with a list of strings to test for
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Not the answer you're looking for? Browse other questions tagged python string list or ask your own question.
How do I use reflection to invoke a private method?
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Reflection dangerous? Hmmm... C# , Java, Python... actually everything is dangerous, even the world :D You just have to take care about how to do it safely...
– Legends
Feb 1 '18 at 12:19
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Apply function to all elements of collection through LINQ [duplicate]
...to all the elements of a collection, without using foreach. Something like python lambda functions.
8 Answers
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What does the “-U” option stand for in pip install -U
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Not the answer you're looking for? Browse other questions tagged python command-line pip or ask your own question.
Regex to check whether a string contains only numbers [duplicate]
...ct malformed octal, I should match valid hex and decide whether to include Python3/Java numbers like 123_456 or C++ 123'456. \d+ seems like a middle ground in the absence of more context like a specific programming or human language and was strongly suggested by the author's first attempt.
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