Posts

Free Android apps for scanning, photos, Wi-Fi, floor plans, and beats are on the apps page. Older projects are on the portfolio.

Nov 8, 2026
How to scan paper documents to a PDF on Android, offline
Nov 8, 2026
How to turn a WhatsApp chat or SMS backup into a PDF
Nov 8, 2026
How to find the least crowded Wi-Fi channel
Nov 8, 2026
How to make a quiet video louder on Android
Nov 8, 2026
How to draw a floor plan to scale on your phone
Nov 8, 2026
How to put the date, time, and GPS location on photos
Nov 8, 2026
How to watermark photos and videos on Android
Nov 8, 2026
How to make a beat on Android with drum pads
Nov 8, 2026
How to scan barcodes into a CSV or Excel file
Jul 12, 2019
不工作的2个月
Oct 27, 2018
How to search logs through several clicks
Mar 18, 2018
旧金山工作三个星期后的体验
Jun 11, 2017
Notes when reading Team Geek
Jun 10, 2017
Scala Learning Notes
Feb 22, 2017
Read the source code of MITIE
Jan 22, 2017
Solutions to Leetcode Contest 16
Oct 10, 2016
Upload file using javascript with ajax
Sep 6, 2016
Create schedule automatically using Machine Learning
Jul 18, 2015
N No Ta Me Ni
Dec 30, 2014
又是一年呢
May 25, 2014
大四找工作经历
May 16, 2014
毕业旅行：在台湾
Apr 16, 2014
大学倒数第二节课
Feb 15, 2014
只是日记
Jan 10, 2014
机器自动识别验证码的原理是怎么样的？
Dec 10, 2013
Final Year Project - Video Recognition
Dec 4, 2013
TikZ Notes
Aug 18, 2013
Earth Mover's distance in python
Jul 15, 2013
奋斗吧，少年
Jul 11, 2013
Crawl Tumblr Blog
Apr 23, 2013
SVM with Kernels
Apr 14, 2013
Python Notes