const { MongoClient } = require("mongodb"); let url="mongodb://127.0.0.1:27017"; let client=new MongoClient(url); async function run() { try{ await client.connect(); await client.db("gomall").command({ping:1});
[5edee197ab] - (SEMVER-MINOR) tls: implement tls.getCACertificates() (Joyee Cheung) #57107 [f9fe0e09ee] - (SEMVER-MINOR) util: expose diff function used by the assertion errors (Giovanni Bucci) #57462 [673a424180] - (SEMVER-MINOR) v8: add v8.getCppHeapStatistics() method (Aditi)...
asyncfunctiontimerTrigger1(myTimer, context){ context.log(`WEBSITE_SITE_NAME:${process.env["WEBSITE_SITE_NAME"]}`); } 在本地开发环境中 在本地运行时,函数项目包括一个local.settings.json文件,你可以在该文件中将环境变量存储到Values对象中。
server.on('connection',function(stream){console.log('someone connected!');}); 3once(event, listener) 为指定事件注册一个单次监听器,即 监听器最多只会触发一次,触发后立刻解除该监听器。 server.once('connection',function(stream){console.log('Ah, we have our first user!');}); 4removeListener...
exportclassPaymentDto{@IsNotEmpty()@IsEnum(SERVICE_PROVIDER_SLUG,{message:`Invalid serviceProvider. Valid options are:${Object.values(SERVICE_PROVIDER_SLUG).join(', ')}`,})serviceProvider:string;@IsNotEmpty()@IsNumber()value:number;@IsNotEmpty()@IsString()validityPeriod:string;@IsNotEmpty()...
NodeJS 序列化-Postgres错误：values.map不是函数对于application/x-www-form-urlencoded，发送到服务器的...
"+"VALUES(:1,:2,:3,:4,:5,:6,:7,:8,:9,:10,:11,:12,:13,:14,:15,:16,:17);";console.log("开始插入数据!");varblob = fs.createReadStream("/data/nodejs_test/三国演义.jpg");awaitconn.execute( sql, [ {val:"三国演义"}, {val:"罗贯中"}, {val:"中华书局"}, {val:newDa...
The sd function called at the beginning of the main program and again at the beginning of split calculates the standard deviation of the class values of a set of instances. Then follows the procedure for obtaining synthetic binary attributes that was described previously. Standard procedures for cr...
This MATLAB function creates a tree node UI component inside a tree within a new figure window and returns the TreeNode object.
Values less than 0 are treated as 0, values greater than 1 are treated as 1. On some platforms ImageView might not support opacity variable. There is a known limitation of mixing opacity < 1.0 with a 3D Transform. Opacity/Blending is essentially a 2D image operation. The result of an...