environment-variables Archives - Page 4 of 6

Recommended way to get hostname in Java

Which of the following is the best and most portable way to get the hostname of the current computer in Java? Runtime.getRuntime().exec("hostname") vs ...

May 14, 2022
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How to add a default include path for GCC in Linux?

I’d like gcc to include files from $HOME/include in addition to the usual include directories, but there doesn’t seem to be an analogue ...

May 13, 2022
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How do I set environment variables from Java?

How do I set environment variables from Java? I see that I can do this for subprocesses using ProcessBuilder. I have several subprocesses ...

May 11, 2022
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How to set NODE_ENV to production/development in OS X

For use in express.js environments. Any suggestions? 16 Answers 16

May 8, 2022
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What is the LD_PRELOAD trick?

I came across a reference to it recently on proggit and (as of now) it is not explained. I suspect this might be ...

May 8, 2022
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Can I export a variable to the environment from a Bash script without sourcing it?

Suppose that I have this script: export.bash: #! /usr/bin/env bash export VAR="HELLO, VARIABLE" When I execute the script and try to access to ...

May 8, 2022
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How to add to the PYTHONPATH in Windows, so it finds my modules/packages?

I have a directory which hosts all of my Django apps (C:\My_Projects). I want to add this directory to my PYTHONPATH so I ...

May 6, 2022
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Setting an environment variable before a command in Bash is not working for the second command in a pipe

In a given shell, normally I’d set a variable or variables and then run a command. Recently I learned about the concept of ...

May 5, 2022
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Setting Environment Variables for Node to retrieve

I’m trying to follow a tutorial and it says: There are a few ways to load credentials. Loaded from environment variables, Loaded from ...

May 3, 2022
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How to keep environment variables when using sudo

When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine ...

May 3, 2022
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