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Change the Order of OS During Boot

To change the order of OS during boot, you have to edit the following file:  /etc/default/grub Open a terminal and run this line of code: sudo gedit /etc/default/grub Change: GRUB_DEFAULT=0 to your desired OS number. When...

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Install Express

Requirements To install Express, you need to have 2 things installed on your machine. They are: Node.js (https://nodejs.org/en/download/) NPM (it comes with Node.js. So, it does not have to be installed separately.) Create a...

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Data Structures Basics

Primitive: Integer Float Characters Pointers Non – primitive: Arrays Lists Non – linear Tree Binary Tree B-tree N-ary Tree Trie Tree Red/Black Tree Splay Tree AVL Tree Graphs Linear Stack Queue Files One of the famous...

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Install JDK & Eclipse

Install JDK: To download the Java JDK, simply google for ‘java jdk download’. It will take you to the latest version to download. Just click the download button, then accept the agreement and select your platform, most likely...

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Algorithms Basics

An algorithm is a procedure or formula for solving a problem. It is a step by step procedure, which defines a set of instructions to be executed in certain order to get the desired output. The...

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Install Dev C++

Follow these Steps: First, download Dev C++ on your Windows machine. Go to the above link and you will see different options of packages available under Downloads. Click on the link “Download from SourceForge”. It...

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Install Eclipse on Ubuntu

1. Install Java. 2. Download Eclipse. 3. Extract Eclipse to /opt/ [Ctrl+Alt+T] cd /opt/ && sudo tar -zxvf ~/Downloads/eclipse-*.tar.gz 4. Create a launcher shortcut for Eclipse [Ctrl+Alt+T] gksudo gedit /usr/share/applications/eclipse.desktop Paste the following lines into...

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Install Raspbian on an SD card

You can use NOOBS[*] Installer to install Raspbian on an SD card. You will need another computer with an SD card reader to extract the NOOBS zip file to your SD card. *NOOBS is an easy operating...

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Basic C++ Syntax

Before you start writing your code, you need to know some basic C++ syntax: // → for single line comment <iostream> → includes header using namespace std → tells the compiler to use the...

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