keyan

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keyan

books

• important parts of "algorithm engineering"
• "effective c++"

lectures

• 6.046
• 6.889
  • lectures 1-4
  • psets 1, 2

keyan

"""
python3 jfk.py
"""
from collections import namedtuple

Stop = namedtuple('Stop', ['sid', 'seq'])

stops_data = [
    Stop(sid=0, seq=0),
    Stop(sid=1, seq=1),

keyan

First include the graph drawing library tkz-berge by adding it the the \usepackage directive in the document preamble.

The follow code block produces this graph of a simple stable matching:

\begin{tikzpicture}[]
\GraphInit[vstyle=Normal]
    \SetUpVertex[Math,Lpos=-180,LabelOut]

keyan

For flask servers using gunicorn, which can be configured to use any type of worker. We use gevent workers (flag -k) (which use the libuv event loop under-the-hood, see http://flask.pocoo.org/docs/0.12/deploying/wsgi-standalone/): http://docs.gunicorn.org/en/latest/settings.html#worker-class

This means we can push tasks into the gevent event loop and have them execute outside of a flask request context. As long as all the gunicorn workers aren’t processing these tasks and blocking flask request execution, this should not affect performance.

keyan

$$T(\omega) = \begin{cases}
  1, & \text{if } \omega > \$0, \\
  0, & \text{otherwise}.
\end{cases}$$

keyan

Incidents
11
14
6
39
3
9
6
1
8

keyan

{
  "name": "items",
  "children": [
    {
      "name": "Home Furnishings",
      "children": [
        {
          "name": "Wall and Window Covering",
          "value": 98
        },

keyan

check_for_opening () {
  res=`curl --silent "https://unionpt.fullslate.com/employees/4320?iid=7959&services%5B%5D=208" | grep "Next opening"`

  if [ -n "`echo $res | grep -e '.*Thursday, September 5.*'`" ]
  then
    echo "No openings found, sleeping..."
  else
    say "Found an appointment opening"
  fi
}

keyan

# LVDB - LLOOGG Memory DB
# Copyriht (C) 2009 Salvatore Sanfilippo <antirez@gmail.com>
# All Rights Reserved

# TODO
# - cron with cleanup of timedout clients, automatic dump
# - the dump should use array startsearch to write it line by line
#   and may just use gets to read element by element and load the whole state.
# - 'help','stopserver','saveandstopserver','save','load','reset','keys' commands.
# - ttl with milliseconds resolution 'ttl a 1000'. Check ttl in dump!