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ImageUtil 扩展:图像工具扩展,提供图像处理和变换功能 · App Inventor 2 中文网

... Logo 主要功能示例 函数 使用示例 基本图像处理 图像变换 图像缩放和调整 创建和处理位图 颜色滤镜效果 图像属性获取 像素级操作 ...
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I want to remove double quotes from a String

...0151212211647278" or similar this nicely removes the surrounding quotes JSON.parse("20151212211647278"); Not a universal answer however slick for niche needs share | improve this answer ...
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MySQL with Node.js

... npm install -g mysql For local installation: 1- Add it to your package.json in the dependencies: "dependencies": { "mysql": "~2.3.2", ... 2- run npm install Note that for connections to happen you will also need to be running the mysql server (which is node independent) To instal...
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Sequelize, convert entity to plain object

... // or nodedata.sensors = sensors.map(function(sensor){ return sensor.toJSON() }); nodesensors.push(nodedata); response.json(nodesensors); }); There is chance that nodedata.sensors = sensors could work as well. sha...
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使用std::string作为std::map的key出错解决 - C/C++ - 清泛网 - 专注C/C++及内核技术

使用std::string作为std::map的key出错解决c: program files (x86) microsoft visual studio 11.0 vc include xstddef(180): error C2784: bool std::operator <(const st...c:\program files (x86)\microsoft visual studio 11.0\vc\include\xstddef(180): error C2784: “bool std::operator <(const std:...
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JavaScript error (Uncaught SyntaxError: Unexpected end of input)

... In my case, I was trying to parse an empty JSON: JSON.parse(stringifiedJSON); In other words, what happened was the following: JSON.parse(""); share | improve th...
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为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...的逻辑。上手很容易,但是由于代码块提供的功能有限,使用比较单一,在开发上有很大的局限性,但是它提供了拓展Extension特性,开放了源码,使得开发者可以根据自己的需要,自定义开发原生组件实现不了的、更加强大的功...
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Convert list of dictionaries to a pandas DataFrame

... Mind that for a nested dictionary '{"":{"... you use the json_normalize approach, see the detailed answer of @cs95 – Lorenz May 27 at 22:16 ...
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ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网

... 属性 方法 事件 使用示例 基本用法 读写整数 字符串处理 文件操作 字节序转换 常见应用场景 1. 网络通信 ...
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C++形参与实参的区别(实例解析) - C/C++ - 清泛网 - 专注C/C++及内核技术

...的认识。形参出现在函数定义中,在整个函数体内都可以使用, 离...本文以实例阐述了C++中形参与实参的区别,有助于读者加深对于C++形参与实参的认识。 形参出现在函数定义中,在整个函数体内都可以使用, 离开该函数则...