I was able to do this by right-clicking in the graph -> Colors -> both background -> choose white. It's amazingly useful for analyzing data, but it's hard to read the senior macros. Read more

This is a sample code for JavaScript web tests. I like that you can do it if you have a browser. However, it's hard to do the competition programming because I'm not used to it. Read more

Shadow the action bar in the Android app. Apps are hard to remember because there are so many new things going on.

Here's how to change the Android app's status bar. It's not a good idea to specify the color directly, write it in Color.xml.

I solved the FizzBuzz with a C. It's interesting to see the differences between different languages when creating FizzBuzz.

I tried to solve FizzBuzz with Ruby. It's interesting to see the differences between different languages when creating FizzBuzz.

This is a sample code for web testing. When I'm looking for a job, I often see competition programming in web tests, so I put it together. Read more

It's about Ruby arrays. Recently, I've been doing some competition programming in Ruby. I'm worried about when to migrate to C++.

How to make UIStatusBar white, part 1 How to make UIStatusBar white, part 1. This is how to whiten a particular ViewController. Write it to the UIViewController that you want to make white. Read more

This is a sample of the combination of UITableView and UISearchBar. Pressing the magnifying glass on the navigation bar will bring up the SearchBar, and typing a character there will bring up the search results. Read more