问node.js节点-red-将Base64字符串转换为uint8arrayEN直接上代码： var img = "imgurl";//imgurl ...
You must configure allthingsusing this node. Use a differentsetupnode for eachtypein your flows. It is up to you how you organize yourtypes. We recommended you base them on the platforms you use -- in other words, based on how the devices connect into and out of Node-RED. There are ...
复制 [2017-11-2311:54:42.226][ERROR]console-Option path is not valid.Please refer to theREADME.[2017-11-2311:54:42.226][ERROR]console-Option close timeout is not valid.Please refer to theREADME.[2017-11-2311:54:42.226][ERROR]console-Option heartbeats is not valid.Please refer to theRE...
Enhancements: Initial value can be set to server variable, server returns nodeId as variable created. Added support for StringArray. v0.2.117 Enhancement: Added users to server. Users.json contains username, password and role for each user. ...
/** 文字水印配置 */ var textConfig = { /** 需传入Base64后的Content值 */ Content: "5rWL6K+V5paH5a2X5rC05Y2w", FontName: "SimSun", FontSize: "16", FontColor: "Red", FontAlpha: "0.5", Top: "10", Left: "10", }; var textWatermark = { Type: "Text", TextWaterMark: JSON...
@SpringBootApplicationclass GoodsApplicationfun main(args: Array<String>) {runApplication<GoodsApplication>(*args)}@Table("goods")class Good( @field:Id val id: Int, @field:Column("name") val name: String, @field:Column("description") val description: String, @field:Column("price...
node-red-dashboard This module provides a set of nodes in Node-RED to quickly create a live data dashboard. These nodes require node.js version 8. The last version to support node v6 was 2.9.5. From version 2.10.0 you can create and install widget nodes like other Node-RED nodes. Se...
path: <Array Field Path>, includeArrayIndex: <string>, preserveNullAndEmptyArrays: <boolean> } } 例子 以下示例将为每个对象的 type 和color 组合使用 $unwind 阶段。该聚合管道包含以下步骤: 将$group 阶段与 $addToSet 结合使用,从而为每个 type 创建新文档,同时附带新字段 colors,而该字段包含集合中出现...
types.String(value) getValue()/setValue(value): gets / sets the enclosed string types.Color(r, g, b [, a = 1.0]) or types.Color(argb) getR()/setR(value): red component (integer from0to255) getG()/setG(value): green component (integer from0to255) ...
fs.readFile 和 fs.createReadStream分别读200MB的文件,对比内存使用情况,来聊聊为什么node需要引入Buffer和Stream;接着会聊四类Stream、stream的highWaterMark和“背压问题”、Buffer的基本操作及一些应用场景、Buffer的内存分配和Buffer 编码乱码问题,最后会说一下一些易混淆的概念:Buffer vs Cache、Buffer vs String。