Summary of “Nine Business Models and the Metrics Investors Want”

Photo by Adeolu Eletu on Unsplash This is my personal summary/notes from a talk by Anu Hariharan, Y Combinator These are 9 common business models for startup along with their common growth metrics: Enterprise: selling software/service for big companies. Eg. Docker, Cloudera Number of bookings Number of unique users Revenue SaaS: software as a service. Eg. Google Suite,…

Google Recaptcha v3 on Laravel

Google Recaptcha v3 offers seamless spam protection by not requiring any additional action from user by default (v2 still requires you to click a checkbox). In this post, I’m sharing a simple way to integrate it with Laravel 6.x built-in authentication flow. The idea is to add custom validation rule that requires a valid Recaptcha…

SIS 771/671 VGA driver on Xubuntu 18.04 LTS

Dedicated for fellow fighters who relentlessly search for an answer on reviving old notebooks with cursed SIS Mirage 3+ 771/671 on-board VGA driver by installing shiny Xubuntu 18.04 LTS (the latest LTS when this article was written). Simply download this tar.gz file, extract 3 files (sisimedia_drv.so, sisimedia_drv.la, xorg.conf), then copy them to respected locations: /usr/lib/xorg/modules/drivers/sisimedia_drv.la…

Summary of “How to Sell”

Featured image is a photo by Mimi Thian on Unsplash This is my personal summary/notes from a talk by Tyler Bosmeny, CEO of Clever, Y Combinator alumni There are some popular myths about sales job where it is considered a high-class job that only gifted people could deliver. In reality, that’s not always true. Some facts that Tyler…

Keras VGG16 with different input shape

Featured image is from analyticsvidhya.com Update (June 19, 2019): Recently, I revisit this case and found out the latest version of Keras==2.2.4 and tensorflow-gpu==1.13.1 make customizing VGG16 easier. For example, we can use pre-trained VGG16 to fit CIFAR-10 (32×32) dataset just like this: X, y = load_cfar10_batch(dir_path, 1) base_model = VGG16(include_top=False, weights=vgg16_weights, input_shape=(32, 32, 3))…