anirudh-ramesh

#!/bin/bash
# This scripts pops up a notification in X if your RAM is occupied more
#   than a certain value (default: 90%).
# Memory is checked every 30 seconds.

checkmemory () {
        while
                sleep 30 
                FREE=`free -tw | grep Mem | tr -s ' ' | cut -d ' ' -f 4`
                USED=`free -tw | grep Mem | tr -s ' ' | cut -d ' ' -f 3`

anirudh-ramesh

# http://stackoverflow.com/questions/6491532/how-to-subset-a-file-select-a-numbers-of-rows-or-columns
cat largefile | awk 'NR >= 10000  && NR <= 100000 { print }'

anirudh-ramesh

The first draft is for the writer. The second draft is for the editor. The last draft is for the reader.

Emphasize how much work you have ahead of you to make this a good book.
Only a good writer would be able to say that.

If you would only defer to the narrative, you could get away with murder.

Most mysterious of all is the hidden middle stage, the offstage act of editing.

The first draft is for the writer. The second draft is for the editor. The last draft is for the reader.

anirudh-ramesh

Move a group of components around a schematic:
move (>0 0) (0 -0.5);

Generate statistics of a board:
run length-freq-ri

Smash all & Change the typeface, ratio, and size of all elements:
group all; smash (> 0 0); change font vector (>0 0); change ratio 8 (>0 0); change size 0.07 (>0 0);

anirudh-ramesh

ls -v | cat -n | while read n f; do mv -n "$f" "$n.png"; convert "$n.png" "$n.pdf"; done

anirudh-ramesh

#!/usr/bin/env python
import os
import sqlite3
import pwd

_cookieName = "preferredLanguage"

def getPreferredLanguageFromCookieDB():
    retval="en-US"
    cookieDBFilename = os.path.join(pwd.getpwuid(1000).pw_dir, ".config/google-chrome/Default/Cookies")

anirudh-ramesh

import wmi

c = wmi.WMI()
t = wmi.WMI(moniker = "//./root/wmi")

batts1 = c.CIM_Battery(Caption = 'Portable Battery')
for i, b in enumerate(batts1):
    print 'Battery %d Design Capacity: %d mWh' % (i, b.DesignCapacity or 0)

anirudh-ramesh

[
    {
        "id": "f1ffeb7e.f6451",
        "type": "http in",
        "z": "c29865fe.249648",
        "name": "",
        "url": "/upload",
        "method": "get",
        "upload": false,
        "swaggerDoc": "",

anirudh-ramesh

# journalctl --disk-usage
journalctl --vacuum-size=50M
journalctl --vacuum-time=10d
echo SystemMaxUse=500M | tee -a /etc/systemd/journald.conf

anirudh-ramesh

SET statement_timeout TO 1200000;

--

UPDATE your_table SET your_column = ((your_column & 0xFF) << 8) | ((your_column >> 8) & 0xFF);

--

\COPY (SELECT * FROM "traccar"."tc_devices" ORDER BY "id" ASC) TO '/goodenough_0/devices.csv' WITH CSV DELIMITER ',' HEADER QUOTE '"' ESCAPE '''';
\COPY (SELECT * FROM "traccar"."tc_users" ORDER BY "id" ASC) TO '/goodenough_0/users.csv' WITH CSV DELIMITER ',' HEADER QUOTE '"' ESCAPE '''';