Летучий программист

1. Go to your aws console and search 'ElastiCache'. 2. Create 'Redis Cluster'. 3. Select options for a project and create a cluster. 4. Go to 'Security Groups' in the side menu of 'EC2' and create security group. 5. Fill in the form. 5-1. Add two inbound rules for IPv4 and IPv6. 6379 is the default port number. 5-2. Adding outbound rules is optional. 5-3. Create a security group. 6. Create and r..

ISSUE : The service test failed when loading a list of posts using querydsl for a custom query - findPageBy (CustomPostRepositoryImpl). - Error message javax.persistence.NoResultException java.lang.ClassNotFoundException: javax.persistence.NoResultException at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/jdk.internal.loader.ClassLoaders$App..

There are a bunch of errors related to MariaDB, which was installed after MySQL with homebrew on MacOS. I face a lot of issues and restarted/reinstalled it thousand times as I was willing to connect to db shell with "mysql.server start" . I have no idea why the exact reason was, possibly, these issues may have originated from the location of the "my.cnf" file. It left me utterly stuck and hopele..

1) Install pyenv - python version management with homebrew. (https://github.com/pyenv/pyenv) brew install pyenv 2) Set up shell environment for using pyenv. (zsh) echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.zshrc echo 'command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.zshrc echo 'eval "$(pyenv init -)"' >> ~/.zshrc # for the PATH changes to take effect. exec "$SHELL" 3)..

*laravel/framework -> 9.19, vite -> 3.0.0 Please refer to the official documentation (https://tailwindcss.com/docs/guides/laravel) and recommend to follow my guide if you failed that one. 1. Command the line below in the project directory. # check if the libraries have been added to package.json npm install -D tailwindcss postcss autoprefixer # it generates "tailwind.config.js" npx tailwindcss i..

1. Install composer. sudo php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" # check if 'composer-setup.php' has been installed in the dir. ls -al # move it to the other path sudo mv composer.phar /usr/local/bin/composer # check the installed version composer 2. Download DBngin - database version manage tool if necessary. 3. Install laravel installer with composer global. ..

SFTP: Secure File Transfer Protocol is a file protocol for transferring large files over the web and includes Secure Shell (SSH) components as well. - Connect to a remote server sftp account@ip_address password #ls: list dir #pwd: print working dir on remote host #lpwd: print working dir on local host - Check and change local/remote working directory # print remote working directory pwd # print ..

Definition : A tool for running apps in an IOSLATED ENVIRONMENT. Container: an abstract app layer where package codes and dependencies are together. != virtual machine * Multiple containers are able to run on the same machine and share the OS kernel. ** Structure: Infrastructure < Host Operating System < Docker < App a,b,c,d,e, ... . Docker Image: a template for creating an environment/ snapshot..

1. Pre-install rosetta. ## 1. softwareupdate --install-rosetta 2. Download the install package (dmg) in the official site - https://docs.docker.com/desktop/mac/apple-silicon/ 3. Run the installed application and enter the command in Terminal. docker run -d -p 80:80 docker/getting-started 4. Pull and set up MySql in docker docker images docker run --name mysql-container -e MYSQL_ROOT_PASSWORD=xxx..

Types - String/ Integer/ Float/ Boolean/ Array/ Object/ NULL/ Resource(Special var holding a resource) Rules - It is prefixed with $. - It starts with a letter of the underscore character. - It cannot start with a number - It contains only alpha-numeric characters and underscores (A-z, 0-9 and _) - CASE-SENSITIVE Examples $name = 'Dariya'; $age = 29; $has_children = false; echo $name . ' is ' . ..