Category: Uncategorized

  • OPPO Find X enable third party launcher without root access

    Step 1. Install the third party launcher you prefer. You have to install a launcher first! I chose Apex launcher from play store. Important! If you are using gesture navigation(swipe up for home screen) instead of virtual keys. Go to Settings – Smart & Convenient – Navigation Keys. Change the settings to Virtual Key Navigation […]

  • Warsaw and Krakow

    Hilton at Warsaw is pretty good. Located at the center? of the city and there’s a light rail station right downstairs(Warsaw uprising museum and ghetto are both very close too!) I highly recommend the bar right across the street. If you go out from the back side of the lobby, go straight to the first crossing. […]

  • OPPO Find X install Google Play Services

    First, go to and download the newest version of google play store. (Variant [0] – For all devices.) Install the app on your phone. Ignore the security pop up and install the app. After Installation, a notification says Google Play Store needs Google Play services to work. Click OK and the phone will start installing Google Play services. […]

  • Corsair H100i V2 driver error code 52 unsigned fix Just download this driver extracted from the old corsair link and install in devices manager and your H100i V2 should work properly. In newer versions of corsair link, corsair replaced this old driver with their self-singed version and messed the driver up.

  • Setting up HackRF with Windows

    First, you need Zadig. Get the newist version of zadig on here. Select your HackRF in the list, then click Install Driver and you are all set.

  • Link Xiaomi Mi Home & Yeelight smart home devices to Apple Homekit using Raspberry Pi

    HomeKit is Apple’s framework for smart home devices. Users can control their connected accessories using the Home app on their iPhone, even via Siri. However, homekit enabled products are way overpriced. For example, D-Link’s homekit verified “The Guardian” series camera costs $199, compare to Xiaomi’s dome camera which has similar specs and functions priced at $70. Xiaomi […]

  • Mathematics for Human Flourishing

    Mathematics for Human Flourishing Why does the practice of mathematics often fall short of our ideals and hopes?  How can the deeply human themes that drive us to do mathematics be channeled to build a more beautiful and just world in which all can truly flourish?  I gave this Retiring Presidential Address at the AMS-MAA Joint Winter […]

  • How to root LeEco S3 X522

    I brought my LeEco S3 two weeks ago. It is a decent phone for only 150 bucks(130 if you got it during the black Friday sale). However, it comes with not one, not two, but three video app and they all have services running in the background.  I tried to use the tool on XDA […]