Installing Ubuntu on ASUS X550LD – UEFI Challenge

I want to share my experience installing Ubuntu on ASUS, including some programs that I need. Previously, I tried installing Ubuntu on ASUS X550LD dual boot with Windows 10, but it’s failed due to the UEFI configuration, it has an installed Windows.

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Pause or delay in UI thread (Android)

In my Android apps, I want to pause or delay a process before continuing to the next process. Previously, I utilized Thread.sleep(), but it is not recommended by some experts due to the effect of some elements may stop responding and furthermore will behave unexpectedly. Let’s see the solution below.

Firebase Authentication Experience 1

I got a problem with Firebase Authentication

FirebaseException. Request from this Android client application com.xxx.xxx is blocked. 

GitLab : Push Repository Error Experience

I want to upload an existing project into created repository in Gitlab which contains Readme.md file. I got some problems in terminal.

[Ubuntu] Install Postman App

I want to install Postman. This app is useful for testing our web service. Let’s do it by following these steps.

Keep a list of object in SharedPreferences and TinyDB (Android)

In my  Android application project, I need a solution how to keep a list of the object can be accessed from any activities. Initially, I download the list from the server, then I want the app just read the downloaded data without contacting the server again. We cannot put the list of the object directly into SharedPreferences. There are some solutions that I found on the forum. Let’s see.

Show AlertDialog from Custom Adapter Android (AppCompat style)

I got some problems when trying to show alert dialog in a custom adapter, not inside an activity. In this case, I used AppcompatActivity. After searching and trying many times, I found an answer in the Stackoverflow. Let see it.

How to send POST request in Postman app (problem: missing parameter)

Some days ago, I got a problem when testing a web service using POSTMAN. I want to send a POST request with a parameter. But, it showed that I miss a parameter.

[Ubuntu] Solve problem ” /var/lib/dpkg/lock – open (13: Permission denied) “

It was happen when I want to run command sudo apt-get update && apt-get upgrade . 

Could not open lock file /var/lib/dpkg/lock – open (13: Permission denied)

[Ubuntu] Solve problem “How to Mount Windows 8’s OS Partition in Ubuntu 12.04 and later”

This problem happen when after shut down the Windows 8 then I want to open my data partition through Ubuntu 14.04. The error dialog said “Error Mounting…”

error mount partition in ubuntu 14.04