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Can it be necessary to require a module (child_process in this case) more than once?


Can it be necessary to require a module (child_process in this case) more than once?

By : user2948690
Date : November 15 2020, 06:54 AM
hop of those help? No, it will virtually never be necessary. In fact, the values returned by require are cached, so the first call to require("foo") actually runs the module, while additional calls simply access the original return value stored in require.cache (in particular, require.cache[require.resolve("foo")]).
The only case multiple calls would be necessary (or have any effect whatsoever) is if your code tampers with require.cache, which it probably shouldn't do.
code :


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require('child_process').execFile() does not work?

require('child_process').execFile() does not work?


By : Navin Ramesh
Date : March 29 2020, 07:55 AM
hope this fix your issue Most likely because execFile is not creating a shell so it doesn't know how to find the python interpreter. Try:
code :
exec.exec('python db_app.py', {cwd:'.'},function(..){..})
Require('child_process') => cannot find Require / child_process + launch .bat

Require('child_process') => cannot find Require / child_process + launch .bat


By : dracogenius
Date : March 29 2020, 07:55 AM
To fix the issue you can do You can't run a child process through a web browser, unless your app is running in a desktop app container such as Electron (which makes Node modules available within its web runtime). It would be horrendously insecure to allow browsers to execute shell scripts - imagine if a pop-up was able to download a .bat and immediately run it on your machine...
That said, if you want the batch file to run on the server and just be triggered by the client, that's perfectly feasible - just call child_process.spawn() in response to a REST call of some kind.
node require('child_process').spawn throws ENOENT

node require('child_process').spawn throws ENOENT


By : Christian Weiss
Date : March 29 2020, 07:55 AM
around this issue Here's how this can be resolved, https://github.com/nodejs/help/issues/163
Hope it might help someone.
nodejs require - module name case sensitive issue

nodejs require - module name case sensitive issue


By : tkd
Date : March 29 2020, 07:55 AM
With these it helps First of all, never make assumptions about the filesystem you are using. Always expect it to be case sensitive, in case you run it in a different environment.
Now to your problem:
Error in require('child_process') function not defined - TypeScript

Error in require('child_process') function not defined - TypeScript


By : Victor Martin
Date : March 29 2020, 07:55 AM
To fix the issue you can do Getting error: , Try to require child_process instead, e.g.:
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