zelark

$ bundle exec jekyll serve

https://jekyllrb.com/docs/installation/macos/#on-mojave-1014

sudo gem install bundler
sudo gem install -n /usr/local/bin/ jekyll

zelark

https://postgrespro.ru/education/demodb

Full text search
http://qualcode.ru/article/postgresql-full-text-search/
https://github.com/piotrl/understand-full-text-search
http://stackoverflow.com/questions/10875674/any-reason-not-use-postgresqls-built-in-full-text-search-on-heroku

https://habrahabr.ru/users/rdruzyagin/topics/

https://gocardless.com/blog/zero-downtime-postgres-migrations-the-hard-parts/

zelark

http://stackoverflow.com/questions/5508274/what-is-dispatching-in-java http://stackoverflow.com/questions/9759141/overloading-in-java-and-multiple-dispatch

https://blogs.oracle.com/sundararajan/entry/multimethods_in_groovy

https://en.wikipedia.org/wiki/Multiple_dispatch

https://shipilev.net/blog/archive/multiple-dispatch/

https://lostechies.com/derekgreer/2010/04/19/double-dispatch-is-a-code-smell/

zelark

https://clojuredocs.org/quickref

http://clojurecourse.by/

http://mishadoff.com/blog/clojure-design-patterns/

http://www.braveclojure.com

http://www.braveclojure.com/core-functions-in-depth/#A_Vampire_Data_Analysis_Program_for_the_FWPD

zelark

select
  lock.locktype,
  lock.relation::regclass,
  lock.mode,
  lock.transactionid as tid,
  lock.virtualtransaction as vtid,
  lock.pid,
  lock.granted
from pg_catalog.pg_locks lock
  left join pg_catalog.pg_database db

zelark

# Возвращает замкнутое лямбда-выражение
# в котором n - свазянная переменная,
# а x и y - свободные, захваченные из внешнего контекста.
def make_pair(x, y):
    """Создаёт пару из двух элементов x и y."""
    return lambda n: x if n == 0 else y
    
# API:
def head(pair):
    """Возвращает голову пары, первый элемент."""

zelark

# Token types
# EOF (end-of-file) token is used to indicate that
# there is no more input left for lexical analysis
INTEGER, PLUS, MINUS, MUL, DIV, EOF = 'INTEGER', 'PLUS', 'MINUS', 'MUL', 'DIV', 'EOF'


class Token(object):
    def __init__(self, type, value):
        # token type: INTEGER, PLUS, MINUS, or EOF
        self.type = type

zelark

from random import sample


class Cell:
    BOMB = 'B'
    FLAG = 'F'

    def __init__(self):
        self.status = 0
        self.content = 0

zelark

----- Esc -----
Quick change directory: Esc + c
Quick change directory history: Esc + c and then Esc + h
Quick change directory previous entry: Esc + c and then Esc + p
Command line history: Esc + h
Command line previous command: Esc + p
View change: Esc + t (each time you do this shortcut a new directory view will appear)
Print current working directory in command line: Esc + a
Switch between background command line and MC: Ctrl + o
Search/Go to directory in active panel: Esc + s / Ctrl + s then start typing directory name

zelark

create or replace function parsetid(tid) returns text as $$
  select (regexp_matches($1::text, '\((\d+),\d+\)'::text))[1];
$$ language sql immutable strict;

create or replace function getgraph(idxname text) returns text as $$
declare
  nblocks bigint;
  blkno bigint;
  i bigint;
  t text;