my contract: https: kovan.etherscan.io ad. I try to use web3 to adjust the interface in the contract, for example: https: remix.ethereum.org -sharpo. I have tried other nodes with infura and failed. I use chrome with MetaMask extension, web3@ ...
if an array is defined in the smart contract, and the append method. So to read the latest value of this array, do you need to traverse the relevant transactions in the entire block chain and read out all the append (and possibly delete) to finally get ...
if an array is defined in the smart contract, and the append method. So to read the latest value of this array, do you need to traverse the relevant transactions in the entire block chain and read out all the append (and possibly delete) to finally get t...
question: has not been using zrender for long. As shown in the figure, text and rect are the same group, doing everything possible to center the word and wrap lines beyond the width . It s not good to set textWidth in new zrender.Text s style, n...
if(requestURI.contains(" app ") && (requestURI.contains(" mbr") || requestURI.contains(" detail det"))){ String token = req.getParameter("session_token"); ...
what can I do if angularjs md-autocomplete clicks X many times and does not display a drop-down list (height:0)? the method passed outside the instruction is called within the selectedItemChange method ** * * <md-autocomplete> * * ...
the part to be printed is actually a picture, as follows: : (the middle black part is divided into upper and lower pages) how to solve this situation? I tried the @ page {size:suto; margin:0mm;} method, which does not apply here. ...
I am writing a chrome plug-in, and there is a need to use JS to export the current page to PDF and save it locally. The export PDF style is required to be retained, with optional text and clickable links, which is actually the same as the PDF function ex...