Thursday 26 January 2017

PrgWonders Android App

PrgWonders proudly releases a new Android App.

A more efficient and faster way to view our blog.
Whether you are travelling or at the examination centre.
Whether or not you have a computer to access our blog.
You can now Learn from the Experts on the Go!

  • Get notified on Updates
  • Data Saving Features
  • Allows to Bookmark Articles
  • Remember your read and unread Articles.
  • Quick Links to quickly browse our Blog
  • Continuously Updated 
  • In-app Browser for faster & efficient Browsing
  • A cool Dark Theme for Nocturnals
  • Switch Layouts as per Choice
  • Automatic Sync
  • View Saved Rss Streams Offline
  • Fully Customisable Settings
Give it a try !

Links



Our Android App Dedicated Page:
https://prgwonders.blogspot.in/p/android-app.html


Spread the Word !

Wednesday 18 January 2017

Schedule a Shutdown in Linux

Scheduling a Shutdown in Linux, unlike Windows is a piece of cake.

The Windows Way

  1. Create a bat file executing run/win32/shutdown.exe.
  2. Schedule this using Windows Schedule Manger

Linux Way

Linux offers you tons of ways, forget at command or even cron. You can achieve this in one single command.

Read-only file system Error In Pendrive

The Dreaded Issue


Often you come across errors in linux with storage devices and the one of the most common and dreaded one is the following one
Read-only file system

Here are a few google search suggestions that pop up the moment you begin typing read-only filesystem.

  1. Fedora pen drive read-only
  2. pen drive read-only Ubuntu
  3. pen drive read-only Problem



I have seen people using several distros constantly complaining due to this issue.
Some of the most reputed forums offer horrible fixes to this issue. The solutions offered by these forums are often over complicated.

We will look into two simple approaches to this problem.


  1. The Naive Method
  2. And Geek Method


The Geek Method is hell lot a faster and looks really cool , or rather should I say geeky.

Sunday 15 January 2017

Adds & Changes

Adds Suck

Programing Wonders knows that adds suck. Adds are however a good way to encourage content providers to provide content. Unfortunately Programing Wonders is no different. Meanwhile we are looking at other means to monetise the blog, without affecting user experience.

Friday 13 January 2017

Creating a Bootable Usb for Ubuntu 16.04 using Ubuntu

After a recent failure of system due to bad sectors in hard disk. I decided to upgrade my system to next LTS. Welcome 16.04.

If you are using Ubuntu Os to create the bootable usb here are your options.

  1. Startup Disk Creator
  2. Unetbootin
  3. mkusb

Thursday 12 January 2017

Simulation of Lift Using Led, Switches and Beagle Bone Black

Introduction

This is a simulation of working of lift using beagle bone black and python. The position of lift will be indicated using led. Switches will be used as lift buttons.

Wednesday 11 January 2017

Accessing Python interpreter in Beagle Bone Black

  • Ensure that you have properly connected the Beagle Bone Black to computer using USB cable.
  • From terminal escalate your privilege level to administrator/root.Use the switch user command. Type the root password when prompted.
       user@comp:~$ su
  • Now to gain access to Beagle Bone Black use ssh command. The ip address is 192.168.7.2.
      admin@comp:/home/user# ssh 192.168.7.2

Note:In case of any issues during while using secure shell clear the contents of known_hosts files used for ssh.
Location: /root/.ssh/

  • Once you gain access to Beagle Bone Black. Fire up the python interpreter by  typing in the following command
       root@beaglebone:~# python

  • You will get a python prompt and you are good to go.

Monday 2 January 2017

Lisp Programing Environment Setup in Ubuntu

Package Installation

Packages for Lisp
Lisp Package Required

If you are new to Lisp programing , here's the packages that you need to install.

  • emacs
  • slime
  • sbcl
Installation commands for the same are