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, the first step: the number of elements in the array parameter passed, such as [65,78] has 65 and 752 parameters, then the number of elements is: 2, Convert to 16:0x0000000000000000000000000000000000000000000000000000000000000002, and then start parsing the first element 65: 0x0000000000000000000000000000000000000000000000000000000000000041, The second element 75:0x000000000000000000000000000000000000000000000000000000000000004b, then the final pass is: 0x function + 000000000000000000000000000

Truffle framework set up a lot of tutorials online, but with the truffle version of the update, truffle.js renamed truffle-config.js, truffle command upgrade, truffle and TESTRPC port inconsistent, Browser wallet plug-ins and other issues, leading to the original tutorial no longer applicable, after stepping on one after another pit, intends to write a non-pit version, so that the vast number of beginners can one go build up the environment.I. Installing node. JS Download the installation packa

Truffle is a local tool for compiling and deploying smart contracts. Testrpc is different from Geth,geth is a real ethereum environment, TESTRPC is a local use of memory simulation of an ethereum environment, for development debugging, more convenient, when the contract in the TESTRPC test passed, then deployed to Geth. So it can be said that truffle and Testrpc are two big killing device. Install TESTRPC a

Xise official website | XISE official website | download the latest version of xise | official website for super xise wbms management V12.0 |, xisev12.0 Explanation: 1. Crack VIP login restrictions 2. Go to the backdoor (self-check) : Https://pan.baidu.com/s/1eR2rUOM Virus address: http://a.virscan.org/a3983f36d31d08a51486501965d04cb5 File Name: Xi

IE8 is officially released today! Below isIE8 Simplified Chinese versionOfOfficial downloadConnection Windows XPHttp://download.microsoft.com/download/1/6/1/16174D37-73C1-4F76-A305-902E9D32BAC9/IE8-WindowsXP-x86-CHS.exe) Windows XP 64-bitHttp://download.microsoft.com/download/4/E/3/4E30CB91-FC6D-4358-AE62-C8F1382D2C03/IE8-WindowsServer2003-x64-CHS.exe) Windows VistaHttp://download.microsoft.com/download/7/9/7/7973BA4C-09AA-46E7-ADBF-D18077F8A241/IE8-WindowsVista-x86-CHS.exe) Windows Vista 64-bi

Several previous blogs mainly introduced the Go-ethereum client different environment, today this blog is based on the first few rows of blog. When the build is complete, we can interact with the nodes in a variety of ways (JavaScript Console, JSON-RPC, WEB3, etc.). This article is to create an account as an example, describes the Java invoke Json-rpc method and the process may encounter problems. Ready to When you are ready to use a different API int

The Internet of Things (IoT) and Bitcoin (Bitcoin) are all fun new things today, so what's the point of putting them together? In short, it is the use of Bitcoin networks for secure, autonomous trading of transactions involving computing resources, storage resources, bandwidth, data, and even public displays that can help other devices display content. The middle will involve sensors, IoT short-range communication protocols, cryptographic currencies and block chains, MapReduce and Hadoop, machin

Tags: ges style com str connection database top es2017 incompatible sharingConvenient, convenient for others, remember the experience of connecting Oracle, using "Oracle official unmanaged ODAC driver, Oracle.DataAccess.Client" Connection database when the program will error, looking for a long time do not know what is the reason, It turns out that the client is not installed on this machine. Change the connection driver to "Oracle

Java Programming Ideas The 4th edition of the official full version and the official exercises after the answer (code and PDF)Java Programming Ideas The 4th edition of the official full version and the official exercises after the answer (code and PDF)Java Programming Ideas The 4th edition of the

How to view permanent activation information of official Win10 edition, official win10 Edition How can I view the system activation information after upgrading to the official Win10 version? How can I check whether the official Win10 version is permanently activated? After the off