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bash assign default value
...tries to execute 'hello' and that gives a command not found. Any way to avoid that? Or will I have to stick to the latter? Can someone give an example where the assign default is actually useful?
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How do I negate a test with regular expressions in a bash script?
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Oye vey! Just when I safely sidestep the intergalactic special character madness of perl, I find myself lost in bash space (placement)! (I feel fear squeezing my gut like a python.) Thanks!
– David Rogers
Dec 28 '10...
Is optimisation level -O3 dangerous in g++?
...ptimisation level of -O3 in g++ is somehow 'dangerous', and should be avoided in general unless proven to be necessary.
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The thread has exited with code 0 (0x0) with no unhandled exception
... which returns with a huge amount of defunct processes. I have not a clear idea about this server works (and which are its tasks) but I suppose that the aforementioned threads could impact server behavior.
– Gionata
Sep 13 '12 at 21:12
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An “and” operator for an “if” statement in Bash
... 200 ] 2> /dev/null && echo foo works. IMO, it is better to avoid -eq and use !=, though.
– William Pursell
Nov 16 '12 at 0:53
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How do you remove the root CA certificate that fiddler installs
Fiddler helpfully offers to add a unique root CA certificate to intercept HTTPS traffic.
4 Answers
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How to convert a ruby hash object to JSON?
...e how the object of an arbitrary class should be serialized to JSON. They did it for Hash and Array classes in json gem, but your class Person is just a plain Object. But you can inherit Hash instead. You can open a new question if you don't manage.
– Mladen Jablanović
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What is the relationship between the docker host OS and the container base image OS?
...rnel of the host, you will not have any specific kernel module/patches provided by the distribution.
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Docker: adding a file from a parent directory
... Dockerfile.
From the documentation:
The <src> path must be inside the context of the build; you
cannot ADD ../something/something, because the first step of a docker
build is to send the context directory (and subdirectories) to the
docker daemon.
EDIT: There's now an option (-f...
How to change highlighted occurrences color in Eclipse's sidebar?
... a little annoying that you can't have separate colors for text and the sidebar, but oh well
– matt b
Feb 9 '10 at 18:11
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