Update Amazon Fire TV to Fire OS 5 Developer Preview

Go to this web site: https://developer.amazon.com/public/solutions/platforms/android-fireos  Now go to your Fire TV. Settings > About > Check For System Update

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How to Change the Computer Name in Ubuntu

1. Open a terminal window. 2. At the input prompt you will see this structure: “` nicholas@computer-name:~$ _ “` 3. So you have to edit the hostname file: “` sudo nano /etc/hostname “` 4. When prompted, enter the administrator password and hit Enter. 5. The hostname file will open, showing the current computer name. Replace the…

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No solution stacks listed in elastic beanstalk configuration

It is how you do the elastic beanstalk configurations. eb init You would be very frustrated when you can select no available solution stacks… Select a solution stack. Available solution stacks are: Select (1 to 0): It is because the credentials you use don’t have administrator rights. Go to Identity and Access Management (IAM) and add…

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Unable to install Homebrew

Unable to install Homebrew with this? ruby -e “$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)” What’s happened -e:70: warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777 ==> This script will install: /usr/local/bin/brew /usr/local/Library/… /usr/local/share/man/man1/brew.1 Press RETURN to continue or any other key to abort ==> /usr/bin/sudo /bin/chmod g+rwx /Library/Caches/Homebrew Password: ==> Downloading and installing Homebrew… remote: Counting objects:…

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Interview Practice 01 – Convert Binary Tree into Doubly Linked List

Question Convert binary search tree into doubly linked list. It’s required not to create any new node, but only turning pointers. Solution The following shows the concept of this question. 8 / 6 0 -> 5 = 6 = 7 = 8 = 9 = 0 = 1 / / 5 7 9 1 First,…

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