Sometimes a python script will simply hang forever with no indication of where things went wrong. Perhaps it's polling a service that will never return a value that allows the program to move forward. Here's a way to see where the program is currently stuck.
Install gdb.
# Redhat, CentOS, etc
| { | |
| "name": "LGO SYM", | |
| "symbol": "SYM", | |
| "description": "SYM is LGO symbol", | |
| "image": "https://logos-world.net/wp-content/uploads/2020/04/Huawei-Logo.png", | |
| "animation_url": "https://media.giphy.com/media/lJNoBCvQYp7nq/giphy.gif", | |
| "external_url": "https://vnexpress.net/", | |
| "properties": { | |
| "files": [ | |
| { |
| adb help // List all comands | |
| == Adb Server | |
| adb kill-server | |
| adb start-server | |
| == Adb Reboot | |
| adb reboot | |
| adb reboot recovery | |
| adb reboot-bootloader |
| Phường Tân Định, Quận 1 | |
| Phường Đa Kao, Quận 1 | |
| Phường Bến Nghé, Quận 1 | |
| Phường Bến Thành, Quận 1 | |
| Phường Nguyễn Thái Bình, Quận 1 | |
| Phường Phạm Ngũ Lão, Quận 1 | |
| Phường Cầu Ông Lãnh, Quận 1 | |
| Phường Cô Giang, Quận 1 | |
| Phường Nguyễn Cư Trinh, Quận 1 | |
| Phường Cầu Kho, Quận 1 |
| Verifying my Blockstack ID is secured with the address 1M5z7UZFY7jDgqZjpgzBaY8bnfKvz6PDEG https://explorer.blockstack.org/address/1M5z7UZFY7jDgqZjpgzBaY8bnfKvz6PDEG |
| function canvas2Blob(canvas) { | |
| var dataURI = canvas.toDataURL(); | |
| // convert base64 to raw binary data held in a string | |
| // doesn't handle URLEncoded DataURIs | |
| var byteString = atob(dataURI.split(',')[1]); | |
| // separate out the mime component | |
| var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0]; |
| # Docker-in-Docker Gitlab runners setup taken from: | |
| # https://medium.com/@tonywooster/docker-in-docker-in-gitlab-runners-220caeb708ca | |
| dind: | |
| restart: always | |
| privileged: true | |
| volumes: | |
| - /var/lib/docker | |
| image: docker:17.09.0-ce-dind | |
| command: | |
| - --storage-driver=overlay2 |
| gitlab: | |
| image: 'gitlab/gitlab-ce:latest' | |
| container_name: gitlab | |
| restart: always | |
| hostname: 'gitlab.mcu.dc' | |
| environment: | |
| GITLAB_OMNIBUS_CONFIG: | | |
| external_url 'http://gitlab.mcu.dc:8090' | |
| gitlab_rails['gitlab_shell_ssh_port'] = 2290 | |
| gitlab_rails['smtp_enable'] = true |
| pragma solidity ^0.5.0; | |
| contract BCertz { | |
| uint public certID; | |
| address public owner; | |
| uint public certCount; | |
| struct Record { | |
| address studentAddress; |
| const Web3 = require('web3') | |
| const Tx = require('ethereumjs-tx') | |
| // connect to Infura node | |
| const web3 = new Web3(new Web3.providers.HttpProvider('https://rinkeby.infura.io/v3/3ee6d9d1b4454acea9e493bb66ed8e1c')) | |
| // the address that will send the test transaction | |
| const addressFrom = '0xFeBC5F91863Fc1a253362ddaD46537170Fdc61e5' | |
| const privKey = 'xxxxxxxxxxxxxxxxxxx_METAMASKxxxxxxxxxxxxxxxxxxxx' |