Category Archives: OS

Operating System

OpenWrt, Linux into the router.

First of all, OpenWrt mentioned in the title is a customized router firmware based on Linux. In other words, it is not a proprietary firmware created by a router company, but it is a firmware that is modified based on Linux so that external developers can run Linux on the router. Why use OpenWrt? When… Read More »

[HTML / CSS] <link href> and <script src>

I want to study nvd3.js to visualize the data. So I try to follow the tutorial one by one, and it starts to clog from the first line of html. Previously, if you saw the <link> tag <script> tag in the tutorial, you started copy and paste without any understanding. So, even though it’s the… Read More »

[Resolution] The number of method references in a .dex file can not exceed 64K.

Requirements Android Studio : 2.1.2 minSdkVersion 15 (Android 4.0.3 APIs) Google Maps Activity   I had to work on Google Maps, so I selected Google Maps Activity as the default activity and built the project. It is not the case that I put the code differently, but the following error occurs and the build can… Read More »