Problem while installing iwlwifi on Ubuntu 16.04

I’m a new one on Ubuntu and using UP BOARD with Ubuntu 16.04 installed on it. I install iwlwifi according to this: https://github.com/HappyZ/iw_intel8260_localization/wiki/Enable-802.11mc-FTM-on-Intel-8260 While installing, after ” sudo make -j4 “, I got many ” symbolmap: 00000001: invalid section “. just like this : symbolmap: 00000001: invalid section CC [M] /lib/firmware/backport-iwlwifi/net/mac80211/aes_gcm.o symbolmap: 00000001: invalid section…

Details

Generating hierarchical deterministic ed25519 keys in Java/Kotlin

I am looking to generate hd keys of the ed25519 spec in java/kotlin. I am aware of libraries like stellar-hd-wallet that does the same in javascript. I am generating a new mnemonic using bitcoinj as follows val params = TestNet3Params.get() val wallet = Wallet.createDeterministic(params, Script.ScriptType.P2PKH) val seed: DeterministicSeed = wallet.keyChainSeed println(“mnemonicCode: “+ seed.mnemonicCode) I want…

Details

C++ unordered_map emplace() function throwing seg fault and I have no idea why

I am getting a seg fault while using std::unordered_map::emplace(). Here is the minimal reproducible example: #include <iostream> #include <string> #include <unordered_map> using namespace std; class WordTable { public: WordTable() { total = 0; } ~WordTable() {} void addWord(const string word, const int incr = 1) { cout << “begin emplace” << endl; table.emplace(word, Node()); //this…

Details