Using Xcode 8 while using Xcode 7 - xcode7

I was running Xcode 7 until I upgraded to Xcode 8 which I now have an error code 1.
Error message:
Command /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc failed with exit code 1
Not sure how to fix this error. I have tried cleaning the project but that did not work either.

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Error when installing package in Octave-online

I want to install the image package in Octave-online.net, but when I tried it, it gave me an error message. I am on a MacBook Air 2013 (if that's important), on macOS 11.7.2 .
I have tried to install Octave on my laptop and that didn't work, so I'm trying it with the online version.
I wrote
pkg install -forge image
and expected it to install the package, but instead it gave me the following error message:
error: get_forge_pkg: could not read version number from package's page
error: called from
get_forge_pkg at line 55 column 7
get_forge_download at line 32 column 14
pkg at line 538 column 31
Does somebody know how to fix this or another way to install the package?
Thanks so much!

Fedora 33 openjdk 8 error showing on terminal

I am getting below error whenever I open the terminal. This began happening after upgrading Fedora Workstation 32 to 33.
ERROR: ld.so: object '/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.265.b01-1.fc32.x86_64/jre/lib/amd64/libzip.so' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored.
I still have OpenJDK 8 installed and even when uninstalled, above error keeps popping up making my terminal untidy
The answer here helped me to get a solution. I had the below the line in .bash_profile
./home/admin/Adempiere/postgresql/8.1.5/PGSQL.env
. I simply commented it out as below and my issue was solved. Read the above answer for the details of why this caused me issues. In my case, the program "Adempiere" had been uninstalled but it didn't remove this path which no longer existed.
#./home/admin/Adempiere/postgresql/8.1.5/PGSQL.env
If you get any error related to the above, review paths set in your .bash_profile
or /.bashrc , if you have a missing path; definitely this will throw this error

libgcc_s_dw2-1.dll contains an error

I have been using Octave 4.03 for about a year on Windows 10 platform.
All at a sudden, when I was trying to launch Octave GUI as usual, I recieved the following error message:
File libgcc_s_dw2-1.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact administrator. Error status: 0xc0000020.
Any help how to fix this problem?

PHP 7 showing error on CodeIgniter v2

I have an application build on CI v.2. It works fine on PHP 5.6 but on localhost XAMPP with PHP v7, I am getting the following error:
Severity: Warning
Message: Declaration of Home::index() should be compatible with MY_Controller_Admin::index($dt_params = Array)
Filename: controllers/home.php
Line Number: 0
Can someone help how to fix this ?

Not able to install and use Uniecart 2.2 on wamp

In backend i checked, the table are not creating and when installing stuck on same 2nd step page with an error in install.php.
error?: undefined exception