Sergey Prokhorov seriyps
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| #!/bin/bash | |
| # Automatic interactive installer for mtproto proxy https://github.com/seriyps/mtproto_proxy | |
| # Supported OS: | |
| # - Ubuntu 18.xx | |
| # - Ubuntu 19.xx | |
| # - Ubuntu 20.xx | |
| # - Ubuntu 21.xx | |
| # - Ubuntu 22.xx | |
| # - Debian 11 bullseye | |
| # - Debian 10 buster |
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| # -*- coding: utf-8 -*- | |
| ''' | |
| Created on 2012-09-24 | |
| @author: Sergey <me@seriyps.ru> | |
| How to test: | |
| $ head -c 100M /dev/urandom > static_file.bin | |
| $ python |
seriyps
/ epgsql_cmd_prepared_query_oom_protection.erl
Created
April 18, 2023 09:04
`epgsql` command with OOM protection. It discards the incoming results if the number of bytes received exceeds the threshold
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| -module(epgsql_cmd_prepared_query_oom_protection). | |
| -behaviour(epgsql_command). | |
| -export([init/1, execute/2, handle_message/4]). | |
| -export_type([response/0]). | |
| -type response() :: {ok, Count :: non_neg_integer(), Cols :: [epgsql:column()], Rows :: [tuple()]} | |
| | {ok, Count :: non_neg_integer()} | |
| | {ok, Cols :: [epgsql:column()], Rows :: [tuple()]} |
seriyps
/ UA-DONATE.md
Last active
April 18, 2023 08:03
seriyps
/ UA-DONATE-SE.md
Last active
April 18, 2023 08:03
seriyps
/ tcp_server.rs
Last active
November 17, 2022 10:08
Simple concurrent TCP echo server (rust 0.11)
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| #![feature(phase)] | |
| #[phase(plugin, link)] extern crate log; | |
| extern crate green; | |
| extern crate rustuv; | |
| use std::io; | |
| use std::os; | |
| use std::io::{Listener,Acceptor,TcpStream}; | |
| #[start] |
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| % Send plaintext email using gen_smtp https://github.com/Vagabond/gen_smtp | |
| % This function sends email directly to receiver's SMTP server and don't use MTA relays. | |
| % | |
| % Example plaintext email: | |
| % Mail = mail_plain(<<"Bob <sender@example.com>">>, <<"Alice <receiver@example.com>">>, <<"The mail subject">>, <<"The mail body">>), | |
| % send_email(Mail). | |
| % | |
| % Example email with image attachment: | |
| % ImgName = "image.jpg", | |
| % {ok, ImgBin} = file:read_file(ImgName), |
seriyps
/ on_same_timezone.erl
Created
August 21, 2015 12:48
Check if epgsql database connections are on the same timezone
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| % If we have some amount of PostgreSQL instances and want to transfer data between them, | |
| % in case when model has 'timeatamp' fields, we should check that both instances configured with the | |
| % same timezone | |
| on_same_timezone(Connections) -> | |
| Tests = | |
| [%% Check using TimeZone connection parameter | |
| {fun(Conn) -> | |
| {ok, TZ} = pgsql:get_parameter(Conn, <<"TimeZone">>), | |
| TZ |
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| -export([uptime/0, uptime/1, uptime_string/0]). | |
| %% @doc uptime in native time units | |
| uptime() -> | |
| erlang:monotonic_time() - erlang:system_info(start_time). | |
| %% @doc uptime in specified time units | |
| uptime(Unit) -> | |
| erlang:convert_time_unit(uptime(), native, Unit). |
seriyps
/ walker_alias.erl
Last active
February 15, 2022 14:07
Walker alias method implemented in Erlang
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| %%% @author Sergey Prokhorov <me@seriyps.ru> | |
| %%% @copyright (C) 2013, Sergey Prokhorov | |
| %%% @doc | |
| %%% @license Apache License Version 2.0 | |
| %%% | |
| %%% Walker alias method - efficient random selection with defined probabilities. | |
| %%% <http://en.wikipedia.org/wiki/Alias_method> | |
| %%% | |
| %%% > ProbabilityValueList = [{10, a}, {20, b}, {30, c}, {40, d}], | |
| %%% > WalkerVectors = walker_alias:build(ProbabilityValueList), |
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