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Go install fails with error: no install location for directory xxx outside GOPATH
... @RobertReiz while I share your frustration, I should point out that most other languages do in fact use these, but maybe they're not as visible. For example, Python (a language famous for its simplicity) has PYTHONHOME instead of GOROOT and PYTHONPATH instead of GOPATH. Even (GC)C has LIBRARY_...
What is that “total” in the very first line after ls -l? [closed]
... is freely modifiable with the
--block-size=<int> flag on ls, the POSIXLY_CORRECT=1 GNU
environment variable (to get 512-byte units), or the -k flag to force
1kB units.
physical_block_size is the OS dependent value of an internal block interface, which may or may not be connected to t...
Match two strings in one line with grep
...nswered Dec 20 '10 at 6:16
dheerosaurdheerosaur
11.6k66 gold badges2727 silver badges3030 bronze badges
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What does the NS prefix mean?
...don't mind if the accepted answer changes to one of the others (if that's possible - never checked that).
– Olaf Kock
Aug 8 '12 at 20:21
2
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How to obtain a Thread id in Python?
...ython docs on Thread.name say "name - A string used for identification purposes only. It has no semantics. Multiple threads may be given the same name. The initial name is set by the constructor."
– drevicko
Dec 4 '12 at 6:10
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How to install therubyracer gem on 10.10 Yosemite?
I don't manage to install therubyracer gem on Yosemite 10.10.
18 Answers
18
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How can I get Docker Linux container information from within the container itself?
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Unless overridden, the hostname seems to be the short container id in Docker 1.12
root@d2258e6dec11:/project# cat /etc/hostname
d2258e6dec11
Externally
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED ...
Should you commit .gitignore into the Git repos?
...mally yes, .gitignore is useful for everyone who wants to work with the repository. On occasion you'll want to ignore more private things (maybe you often create LOG or something. In those cases you probably don't want to force that on anyone else.
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What's so wrong about using GC.Collect()?
...one of these things that respectable programmers wouldn't ever use, even those who don't even know what it is for.
20 Answe...
Increasing the maximum number of TCP/IP connections in Linux
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The ephermal port range defines the maximum number of outbound sockets a host can create from a particular I.P. address. The fin_timeout defines the minimum time these sockets will stay in TIME_WAIT state (unusable after being used once).
Usual system defaults are:
net.ipv4.ip_local_port_range = ...