tavin

#!/usr/bin/env python3

import matplotlib.pyplot as plt
import numpy as np
import statsmodels.formula.api as smf


x = np.linspace(0, 2, 100)
y = np.sqrt(x) * np.sin(2 * np.pi * x) + np.random.random_sample(100)

tavin

def consecutive(cond, axis):
    cond = np.moveaxis(cond, axis, -1)
    measure = np.zeros(cond.shape[:-1], dtype=np.uint32)
    diff = np.diff(cond)
    for index in np.ndindex(measure.shape):
        boundary = np.flatnonzero(diff[index])
        if not len(boundary):
            continue
        if cond[index][0]:
            boundary = np.insert(boundary, 0, -1)

tavin

#!/bin/bash
fibs=(1 1)
while ((fibs[-1] < 200))
do
    echo ${fibs[@]}
    fibn=$((fibs[-1] + fibs[-2]))
    fibs+=($fibn)
done

tavin

from base64 import b64encode
from subprocess import check_call
from subprocess import check_output
from tempfile import mkdtemp


def lambda_handler(_event, _context):
    tmp = mkdtemp(dir='/tmp')
    check_call(['pip', 'install', 'psycopg2', '--target', tmp])
    tar = check_output(['tar', '-C', tmp, '-cz', '.'])

tavin

def chain(iterable):
    i, f = 0, None
    scope = {}
    loc = []
    for i, f in enumerate(iterable):
        name = '_' + str(i)
        scope[name] = f
        loc.append(name + '(*a,**k)')
    if i == 0:
        return f

tavin

#!/bin/sh -ex
export WINEPREFIX=$PWD
export WINEARCH=win32
wineboot
winetricks -q dotnet35sp1
winetricks -q corefonts
winetricks -q windowscodecs || cabextract \
    ~/.cache/winetricks/windowscodecs/wic_x86_enu.exe -F 'windowscodecs*.dll' -d drive_c/windows/system32
wine ADE_2.0_Installer.exe

tavin

perl -pe '/time=\S+\.\.(\S+) rows=(\d+) loops=(\d+)/; print $3*$1, "\t";' explain.out

tavin

jupyter contrib nbextension install --user
jupyter nbextension enable equation-numbering/main

tavin

%%javascript
MathJax.Hub.Config({
  TeX: {
    equationNumbers: {
      autoNumber: "AMS"
    }
  }
});

tavin

#!/bin/bash
set -ex

scale=20                # table size factor; should not be less than $clients
clients=10              # number of concurrent sessions
jobs=$((`nproc`/2))     # threads i.e. how many cpus to use
duration=300            # length of test in seconds
progress=10             # progress reporting interval

filesystem=postgresql/pgbench