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ruby system command check exit code

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From the documentation: system returns true if the command gives zero exit status, false for non zero exit status. Returns nil if command execution fails. system(“unknown command”) #=> nil system(“echo foo”) #=> true system(“echo foo | grep bar”) #=> false Furthermore An error status is available in $?. system(“VBoxManage createvm –invalid-option”) $? #=> #<Process::Status: pid … Read more

Python command not working in command prompt

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I have installed the latest Python for Win10 from Releases for Windows. Just typing py in the Command Prompt Window starts Python. Microsoft Windows [Version 10.0.15048] (c) 2017 Microsoft Corporation. All rights reserved. C:\Users\sg7>py Python 3.6.3 (v3.6.3:2c5fed8, Oct 3 2017, 18:11:49) [MSC v.1900 64 bit (AMD64)] on win32 Type “help”, “copyright”, “credits” or “license” for … Read more

Php artisan make:auth command is not defined

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For Laravel >=6 composer require laravel/ui php artisan ui vue –auth php artisan migrate Reference : Laravel Documentation for authentication it looks you are not using Laravel 5.2, these are the available make commands in L5.2 and you are missing more than just the make:auth command make:auth Scaffold basic login and registration views and routes … Read more

How to move all files including hidden files into parent directory via *

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You can find a comprehensive set of solutions on this in UNIX & Linux’s answer to How do you move all files (including hidden) from one directory to another?. It shows solutions in Bash, zsh, ksh93, standard (POSIX) sh, etc. You can use these two commands together: mv /path/subfolder/* /path/ # your current approach mv … Read more