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Vladislav Bogomolov vladson

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@sauloperez
sauloperez / signal_catching.rb
Last active December 14, 2024 13:43
How to catch SIGINT and SIGTERM signals in Ruby
# Signal catching
def shut_down
puts "\nShutting down gracefully..."
sleep 1
end
puts "I have PID #{Process.pid}"
# Trap ^C
Signal.trap("INT") {
@tomas-stefano
tomas-stefano / Capybara.md
Last active July 2, 2025 01:57
Capybara cheatsheet

Capybara Actions

# Anchor
click_link 'Save'

# Button
click_button 'awesome'

# Both above
@matheusoliveira
matheusoliveira / json_manipulator.sql
Last active January 13, 2025 00:56
Simple PostgreSQL functions to manipulate json objects. (Note: performance is not a concern for those functions)
CREATE OR REPLACE FUNCTION public.json_append(data json, insert_data json)
RETURNS json
IMMUTABLE
LANGUAGE sql
AS $$
SELECT ('{'||string_agg(to_json(key)||':'||value, ',')||'}')::json
FROM (
SELECT * FROM json_each(data)
UNION ALL
SELECT * FROM json_each(insert_data)
@arturlector
arturlector / ios-questions-interview.md
Last active March 3, 2025 15:02
Вопросы на собеседование iOS разработчика.

Вопросы на собеседование iOS разработчика (дополненное издание):

General:

  • Что такое полиморфизм?

  • Что такое *инкапсуляция? Что такое *нарушение инкапсуляции?

  • Чем абстрактный класс отличается от интерфейса?

  • Расскажите о паттерне MVC. Чем отличается пассивная модель от активной?

@Dr-Nikson
Dr-Nikson / README.md
Last active August 20, 2025 02:36
Auth example (react + redux + react-router)
@yowu
yowu / HttpProxy.go
Last active October 29, 2025 09:20
A simple HTTP proxy by Golang
package main
import (
"flag"
"io"
"log"
"net"
"net/http"
"strings"
)
import sys, marshal, functools, subprocess
child_script = """
import marshal, sys, types;
fn, args, kwargs = marshal.load(sys.stdin)
marshal.dump(
types.FunctionType(fn, globals())(*args, **kwargs),
sys.stdout)
"""
@sosedoff
sosedoff / 1_simple.go
Created July 16, 2016 18:45
Golang Custom Struct Tags Example
package main
import (
"fmt"
"reflect"
)
// Name of the struct tag used in examples
const tagName = "validate"
anonymous
anonymous / GAME_MASTER_POKEMON_v0_2.tsv
Created July 16, 2016 19:26
Pokemon from GAME_MASTER protobuf file v0.2 in a .tsv
We can make this file beautiful and searchable if this error is corrected: It looks like row 3 should actually have 27 columns, instead of 12 in line 2.
PkMn BaseStamina BaseAttack BaseDefense Type1 Type2 BaseCaptureRate BaseFleeRate CollisionRadiusM CollisionHeightM CollisionHeadRadiusM MovementType MovementTimerS JumpTimeS AttackTimerS QuickMoves CinematicMoves AnimTime Evolution EvolutionPips PokemonClass PokedexHeightM PokedexWeightKg HeightStdDev WeightStdDev FamilyId CandyToEvolve
1 90 126 126 HoloPokemonType.POKEMON_TYPE_GRASS HoloPokemonType.POKEMON_TYPE_POISON 0.1599999964237213 0.10000000149011612 0.3815000057220459 0.6539999842643738 0.27250000834465027 HoloPokemonMovementType.POKEMON_ENC_MOVEMENT_JUMP 10.0 1.149999976158142 29.0 d601dd01 5a3b76 6d56d53fdaac2a3f6d56d53f93a9ea3f0000000036ab0a403333b33fbfbbbb3f 02 HoloPokemonClass.POKEMON_CLASS_NORMAL 1 0.699999988079071 6.900000095367432 0.08749999850988388 0.862500011920929 HoloPokemonFamilyId.V0001_FAMILY_BULBASAUR 25
2 120 156 158 HoloPokemonType.POKEMON_TYPE_GRASS HoloPokemonType.POKEMON_TYPE_POISON 0.07999999821186066 0.07000000029802322 0.3187499940395355 0.637499988079071 0.2549999952316284 H
import React from 'react'
const enhancedForm = Component =>
class HigherOrderComponent extends React.Component {
constructor(props) {
super(props)
this.state = { form: props.initialState }
this.handleSubmit = this.handleSubmit.bind(this)
this.handleChange = this.handleChange.bind(this)