aimtiaz11

## The following is a simple script to rotate log files. Schedule it using crontab to regularly 
## rotate log files. 
## The script works by backing up the target log file (using cp) and then emptying it out.
## Usage: 
## ./rotatelog.sh <<file name>>
## License MIT


DATESTAMP=`date +'%Y%m%d-%H%M'`
BACKUP_LOG_FILE=backup.$DATESTAMP.log

aimtiaz11

Installing TigerVNC

The following steps show how to install VNC in RHEL/OEL Linux distros.

Setup VNC Server:

yum install tigervnc-server

Edit the vncservers config file:

aimtiaz11

  /**
   * Generates random integer between 2 interval.
   * Used for 
   * @param min
   * @param max
   * @returns {*}
   */
  function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;

psayre23

Below are the Big O performance of common functions of different Java Collections.


List                 | Add  | Remove | Get  | Contains | Next | Data Structure
---------------------|------|--------|------|----------|------|---------------
ArrayList            | O(1) |  O(n)  | O(1) |   O(n)   | O(1) | Array
LinkedList           | O(1) |  O(1)  | O(n) |   O(n)   | O(1) | Linked List
CopyOnWriteArrayList | O(n) |  O(n)  | O(1) |   O(n)   | O(1) | Array

jexchan

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"