just another programmer blog
Using pre-trained deep learning model as feature extractor is a proven way to improve classification accuracy. One of the famous model is Oxford’s VGG16, which is trained using million images to recognize 1,000 classes ranging from animals, vehicles and other stuffs. Now, to use VGG16 as part of another neural network is relatively easy, especially… Read More
Update: As mentioned in here, since rippled 1.1.0 remote sign API is not allowed by default anymore. If you try to call it on wss://s.altnet.rippletest.net:51233 you will get “Signing is not supported by this server” error. Check this post on how to sign transaction locally using Java Ripple (XRP) provides some options to interact with their… Read More
Update: I gave up on the markdown plugin as it does not work as smooth as github’s. I also found better themes. Yes, I can easily change my mind over trivial things ? So I got bored with ghost and decided to use WordPress for my blog. Luckily, I found a nice markdown plugin and an… Read More
While running your own Ethereum node with geth by using web3js from node.js (backend) app is a common solution, connecting to a public Ethereum node such as infura.io and using [truffle-contract](https://github.com/trufflesuite/truffle-contract] gives some benefits: No need to maintain your own Ethereum node (syncing a full node requires huge storage space! (around 40 GB for Ropsten))… Read More
BlockCypher provides convenient REST APIs to send cryptocurrency like Bitcoin easily. Here are two APIs that we can use to send Bitcoin from one address to another: 1. Build transaction skeleton https://api.blockcypher.com/v1/btc/test3/txs/new 2. Push signed transaction https://api.blockcypher.com/v1/btc/test3/txs/send Here are the step by steps of using those APIs in JavaScript (Node.js) in testnet3 Bitcoin network. First,… Read More