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Remove a fixed prefix/suffix from a string in Bash
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763
$ foo=${string#"$prefix"}
$ foo=${foo%"$suffix"}
$ echo "${foo}"
o-wor
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How do I increase the cell width of the Jupyter/ipython notebook in my browser?
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answered Dec 3 '15 at 5:06
jjinkingjjinking
9,28122 gold badges2121 silver badges1919 bronze badges
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python setup.py uninstall
...e containing directory, e.g. /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/my_module-0.1.egg/ on macOS. It has no files, but Python will still import an empty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
&g...
CentOS 64 bit bad ELF interpreter
I have just installed CentOS 6 64bit version, I'm trying to install a 32-bit application on a 64-bit machine and got this error:
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configure Git to accept a particular self-signed server certificate for a particular https remote
..., the server URL is repos.sample.com and you want to access it over port 443.
There are multiple options, how to get it.
Get certificate using openssl
$ openssl s_client -connect repos.sample.com:443
Catch the output into a file cert.pem and delete all but part between (and including) -BEGIN CE...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
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31 Answers
31
Active
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Waiting on a list of Future
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answered Oct 13 '13 at 18:00
dcernahoschidcernahoschi
13.5k55 gold badges3131 silver badges5454 bronze badges
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Getting the first character of a string with $str[0]
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395
Yes. Strings can be seen as character arrays, and the way to access a position of an array is ...
What's the purpose of the LEA instruction?
...s already in EBX, and variable i is in EAX, and xcoord and ycoord are each 32 bits (so ycoord is at offset 4 bytes in the struct), this statement can be compiled to:
MOV EDX, [EBX + 8*EAX + 4] ; right side is "effective address"
which will land y in EDX. The scale factor of 8 is because each P...