Freetalk is command line
- Its goodness
- Its richness
- Its flexibility
- Its power
harshavardhana
/ is_node_reachable.sh
Created
June 9, 2014 21:02
Use bash socket to check for host/port connection
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| #!/bin/bash | |
| function ping_host () | |
| { | |
| { | |
| exec 4<>/dev/tcp/$1/$2 | |
| if [ $? -ne '0' ]; then | |
| echo "Port not reachable" | |
| return 1; | |
| else |
harshavardhana
/ trail_recursive_fact.scala
Created
July 14, 2014 06:55
Tail recursive (factorial) - scala
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| def factorial (a: Int, b: Int): Int = if (a == 1) b else if (a == 0) 1 else factorial (a - 1, a * b) |
harshavardhana
/ business-models.md
Created
July 24, 2014 00:38
— forked from ndarville/business-models.md
harshavardhana
/ pidof.py
Created
August 19, 2014 21:29
Write pidof equivalent using psutil - specifically for non Linux distributions and for GlusterFS
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| #!/usr/bin/env python | |
| import psutil | |
| import sys | |
| def pmap_find(p, name): | |
| for m in p.memory_maps(grouped=True): | |
| if m.path.endswith("%s.so" % name): | |
| return True | |
| continue | |
| return False |
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| # cat find_same_inode.stap | |
| #!/usr/bin/stap -g | |
| # Copyright (c) 2014 Brad Hubbard <[email protected]> | |
| %{ | |
| #include <linux/file.h> | |
| %} | |
| function find_same_inode:string (path:string) %{ | |
| struct nameidata *nd; |
harshavardhana
/ vid_face_eye_detection.py
Last active
August 29, 2015 14:06
Video capture with Facedetection and Eyes (slow version)
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| import cv2 | |
| face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml') | |
| eye_cascade = cv2.CascadeClassifier('haarcascade_eye.xml') | |
| cap = cv2.VideoCapture(0) | |
| while(True): | |
| # Capture frame-by-frame | |
| ret, frame = cap.read() |
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| package main | |
| import ( | |
| "flag" | |
| "fmt" | |
| "io/ioutil" | |
| ) | |
| const ( | |
| SPLIT_NFILES = 4 |
harshavardhana
/ qemu.stap
Created
October 7, 2014 22:07
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| #!/usr/bin/stap | |
| # | |
| global write_errors, write_success | |
| function handlewrite (pp, ret) { | |
| if (ret < 0) | |
| { | |
| printf("%s %s returned %d", tz_ctime(gettimeofday_s()), pp, ret) | |
| write_errors[pp]++ | |
| } |
harshavardhana
/ trim_enabler.sh
Last active
August 29, 2015 14:07
— forked from return1/trim_enabler.txt
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| # | |
| # Original version by Grant Parnell is offline (http://digitaldj.net/2011/07/21/trim-enabler-for-lion/) | |
| # Update July 2014: no longer offline, see https://digitaldj.net/blog/2011/11/17/trim-enabler-for-os-x-lion-mountain-lion-mavericks/ | |
| # | |
| # Looks for "Apple" string in HD kext, changes it to a wildcard match for anything | |
| # | |
| # Alternative to http://www.groths.org/trim-enabler-3-0-released/ | |
| # Method behind this madness described: http://forums.macrumors.com/showthread.php?t=1409151&page=4 | |
| # See discussion in comments here: https://www.macupdate.com/app/mac/39654/lion-tweaks | |
| # And here: http://forums.macrumors.com/showthread.php?t=1410459 |