TL;DR For experienced readers: Find the Java path; it looks like this: C:\Program Files\Java\jdkxxxx\bin\ Start-menu search for “environment variable” to open the options dialog. Examine PATH. Remove old Java paths. Add the new Java path to PATH. Edit JAVA_HOME. Close and re-open console/IDE. Welcome! You have encountered one of the most notorious technical issues facing … Read more
This is an annoying function a feature of sudo on many distributions. To work around this “problem” on ubuntu I do the following in my ~/.bashrc alias sudo=’sudo env PATH=$PATH’ Note the above will work for commands that don’t reset the $PATH themselves. However `su’ resets it’s $PATH so you must use -p to tell … Read more
UPDATE: This list is getting a little out dated (it was generated with Xcode 4.1). You should run the command suggested by dunedin15. dunedin15’s answer can give inaccurate results for some edge-cases, such as when debugging build settings of a static lib for an Archive build, see Slipp D. Thompson’s answer for a more robust … Read more
See this related thread. Basically, os.environ is found on import, and os.getenv is a wrapper to os.environ.get, at least in CPython. EDIT: To respond to a comment, in CPython, os.getenv is basically a shortcut to os.environ.get ; since os.environ is loaded at import of os, and only then, the same holds for os.getenv.
You should add more details about your distribution, for example under Ubuntu the right way to do this is to add a custom .conf file to /etc/ld.so.conf.d, for example sudo gedit /etc/ld.so.conf.d/randomLibs.conf inside the file you are supposed to write the complete path to the directory that contains all the libraries that you wish to … Read more
Strictly speaking – you have no choice but calling either hostname(1) or – on Unix gethostname(2). This is the name of your computer. Any attempt to determine the hostname by an IP address like this InetAddress.getLocalHost().getHostName() is bound to fail in some circumstances: The IP address might not resolve into any name. Bad DNS setup, … Read more
Try setting C_INCLUDE_PATH (for C header files) or CPLUS_INCLUDE_PATH (for C++ header files). As Ciro mentioned, CPATH will set the path for both C and C++ (and any other language). More details in GCC’s documentation.
You can define environment variables in the crontab itself when running crontab -e from the command line. LANG=nb_NO.UTF-8 LC_ALL=nb_NO.UTF-8 # m h dom mon dow command * * * * * sleep 5s && echo “yo” This feature is only available to certain implementations of cron. Ubuntu and Debian currently use vixie-cron which allows these … Read more
For use in scenarios where you need to set specific environment values for unit tests, you might find the following hack useful. It will change the environment variables throughout the JVM (so make sure you reset any changes after your test), but will not alter your system environment. I found that a combination of the … Read more
Before running your app, you can do this in console, export NODE_ENV=production Or if you are in windows you could try this: SET NODE_ENV=production for PowerShell: $env:NODE_ENV=”production” or you can run your app like this: NODE_ENV=production node app.js You can also set it in your js file: process.env.NODE_ENV = ‘production’; But I don’t suggest to … Read more