AlexRogalskiy

MySQL Cheat Sheet

Help with SQL commands to interact with a MySQL database

MySQL Locations

• Mac /usr/local/mysql/bin
• Windows /Program Files/MySQL/MySQL version/bin
• Xampp /xampp/mysql/bin

Add mysql to your PATH

AlexRogalskiy

#-----------------------------------------------------------------------------------------------------
# if user is not root, pass all commands via sudo #
if [ $UID -ne 0 ]; then
    alias reboot='sudo reboot'
    alias update='sudo apt-get upgrade'
fi
#-----------------------------------------------------------------------------------------------------
### Get os name via uname ###
_myos="$(uname)"
 

AlexRogalskiy

Git attributes for .docx diffing

docx2txt

Download and install the docx2txt converter from http://docx2txt.sourceforge.net/

wget -O doc2txt.tar.gz http://docx2txt.cvs.sourceforge.net/viewvc/docx2txt/?view=tar
tar zxf docx2txt.tar.gz
cd docx2txt/docx2txt/

sudo make

AlexRogalskiy

# Important note: If you want the code in this project to be formatted as per the formatting configuration mentioned in this '.editorconfig' file, then open webstorm, go to 'File' => 'Setting' => 'Editor' => 'Code Style' => 'EditorConfig' => Set 'Enable EditorConfig Support' to true => Click 'Apply' => Click 'Ok'
# For Knowledge: The formatting settings of webstorm IDE of various file types, like Javascript, json, Typescript files, only apply when the above mentioned checkbox of 'Enable EditorConfig support' is set to false.

[*]
charset = utf-8
end_of_line = lf
indent_size = 2
indent_style = space
insert_final_newline = false
max_line_length = 120

AlexRogalskiy

Материалы по Go (golang)

На русском языке

Мануалы и туториалы

• golangs.org
• Go в примерах
• Kodazm
• Модели конкурентности в Go. Конвейеры.

AlexRogalskiy

import kotlinx.coroutines.experimental.*
import kotlinx.coroutines.experimental.channels.*

class FixedPool(val workerCount: Int) {

    val channel = Channel<Task>()
    val jobs = mutableListOf<Job>()

    init {
        start() // start immediately

AlexRogalskiy

public class Counter {

    private int count = 0;

    public int getCount() {
        return count ;
    }

    /**
     * The "synchronized" keyword is crucial here; removing it will lead to serious

AlexRogalskiy

Common Terminal Commands

Key Commands & Navigation

Before we look at some common commands, I just want to note a few keyboard commands that are very helpful:

• Up Arrow: Will show your last command
• Down Arrow: Will show your next command
• Tab: Will auto-complete your command
• Ctrl + L: Will clear the screen

AlexRogalskiy

Setting auto-generated Ids manually with Hibernate

In this tutorial, you will learn how to implement a custom IdentifierGenerator to support auto-generated and manually assigned Ids using Hibernate.

Continue reading ...

AlexRogalskiy

BEGIN;

DO $$
BEGIN
    IF NOT EXISTS (SELECT 1 FROM pg_type WHERE typname = 'task_status') THEN
        create type task_status AS ENUM ('todo', 'doing', 'blocked', 'done');
    END IF;
END
$$;
CREATE TABLE IF NOT EXISTS