Author: sdev

Config Github to Use SSH Key Pairs

Using SSH Key Pairs when working with a remote git repository (ex. GitHub) could save a lot of trouble and it is more secure. We will show you how to config GitHub using key pair you have generated today. (To see how to generate a key pair, you can see how to do it in Windows using PuttyGen here, or… Read more →

Generate SSH Key Pair using PuttyGen

Today we will go through the steps to generate SSH Key pair using PuttyGen on Windows. So let’s get started:   In your Windows, press start, then search for “PuttyGen” to launch the application Use PuttyGen to create a public key and private key pair Copy the public key in its entirety and save it somewhere (alternatively, click on the… Read more →

Windows 7 to Windows 10 Upgrade: Fix The api-ms-win-core-libraryloader-l1-1-1.dll Is Missing Error

Recently I have been upgrading my windows systems to Windows 10 as the deadline for free upgrade was approaching. I first tried to upgrading my HP laptop which has Windows 8 installed, the upgrade went smoothly without a glitch. However when upgrading from Windows 7 I encountered the error:   api-ms-win-core-libraryloader-l1-1-1.dll Is missing The information is rather vague, it simply… Read more →

Git – Merge Unrelated histories

I have a set of code which worked on before but never version controlled. I was trying to push it to Github by creating a new repo on Github with some git ignore config files and, then initialize, add and commit the local repo with: git init git add . git commt -m “some message” However when I try… Read more →

PuttyGen: Putty Key vs OpenSSH Key

At work, I use windows machines. Recently I generated a key-pair using PuttyGen in Windows, it worked fine when I connected to my remote server using Putty (Of course with my public key stored on the remote server first). However I got troubled when was trying to use this same private key I obtained from PuttyGen with ssh command from… Read more →

Linux Command Line Configuration Cheat Sheet

Following is a list of parameters that you can put in .bash_profile to config your terminal (Note: some might only apply to cygwin) # To the extent possible under law, the author(s) have dedicated all # copyright and related and neighboring rights to this software to the # public domain worldwide. This software is distributed without any warranty. # You… Read more →

Java – SecurityException – signer information does not match signer information of other classes in the same package

Today I want to talk about a java exception, SecurityException, I encountered. I build my project via command line using maven, and I encountered this exception: java.lang.SecurityException: [YourClassGoesHere]’s class signer information does not match signer information of other classes in the same package Here is my situation: I am merging my code into an existing project, which was managed/developed by… Read more →

Fujitsu RLS3/RLS3H Wi-Fi Connection

One of the current Fujitsu newest model RLS3/RLS3H has a neat feature that allow you to use a phone app called “FGLair” to control your air conditioner remotely. That includes remotely anywhere in the world given your phone has Wi-Fi connections. Today I have tried to download the Android app and tried to connect my RLS3 to my router. And… Read more →

Freeze Rows, Columns or Pane in Excel 2016

When you’re working with a lot of data, it can be difficult to compare one or more rows with others that are towards the bottom of the workbook. ¬† MS Excel freeze panes feature solves this problem by letting you lock specific rows so they’re always visible when you scroll. Here’s how to do that in Excel 2016. There are… Read more →