romank0

A homebrew formula to build vim with support for pyenv version of python

Build

1. Patch /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/vim.rb
2. Build

   brew reinstall --verbose --debug --build-from-source vim

3. Locate your dynamic library with find /Users/bronoric/.pyenv/ -name '*libpython3*.dylib'
   • It's probably going to contain darwin in the path.

romank0

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

romank0

create table t (
    user_id int,
    username text,
    surname text,
    age int,
    aboutme text,
    sex bool,
    city int
);

romank0

SELECT
  nspname as schemaname,
  c.relname::text,
  pg_size_pretty(pg_relation_size(c.oid)) as "size",
  pg_size_pretty
  (
   case when c.reltoastrelid > 0
   then
   pg_relation_size(c.reltoastrelid)
   else 0 end

romank0

@task(routing_key="low_priority", queue="low_priority", acks_late=True)
def long_running():
    import os
    from time import sleep

    while not os.path.isfile('/Users/romanko/stop'):
        logger.info('no file: waiting 5 seconds')
        sleep(5)

    logger.info('file exists: exiting')

romank0

#!/bin/bash

# stdin should be integers, one per line.
# command line perncentiles e.g. 75 90 95

percentiles=$*
tmp="$(mktemp -t percentileXXXX)"
total=$(sort -n | tee "$tmp" | wc -l)

for percentile in $percentiles

romank0

Latency Comparison Numbers
--------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

romank0

#include <Timer.h>
#include <IRremote.h>
#include <Servo.h>

 
#define irPin 5
#define motorASpeedPin 10
#define motorAIn1Pin 9
#define motorAIn2Pin 8

romank0

class Parent(object):
    conf = {}

    def __init__(self, *args, **kwargs):
        type(self).conf = defaultdict(
            None, **super(type(self), self).conf)
        super(Parent, self).__init__(*args, **kwargs)

    @classmethod
    def set_param(cls, name, value):

romank0

Keybase proof

I hereby claim:

• I am romank0 on github.
• I am romanko (https://keybase.io/romanko) on keybase.
• I have a public key whose fingerprint is 1BB3 F9FF D0B0 685D BF2A EC9F 14BE 6262 EEFD E2E0

To claim this, I am signing this object: