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TypeError: unhashable type: 'dict'

... A possible solution might be to use the JSON dumps() method, so you can convert the dictionary to a string --- import json a={"a":10, "b":20} b={"b":20, "a":10} c = [json.dumps(a), json.dumps(b)] set(c) json.dumps(a) in c Output - set(['{"a": 10, "b": 20}']...
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What does the tilde (~) mean in my composer.json file?

I have this line in my composer.json file: 3 Answers 3 ...
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区,为创新赋能!

...度在后。在逻辑设计中,如果需要对地图进行平衡,推荐使用数值型的坐标而非转换成字符串的坐标。EnablePan允许平移地图Enables or disables the ability of the user to move the Map.EnableRotation允许旋转地图Enables or disables the two-finger rotation ge...
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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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MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

MFC CString::Format()函数详解我在编写程序时经常会使用CString::Format()来格式化字符串!但往往只是使用了Format很少一部分功能,比如整型转换成字符串!不过今天我想...我在编写程序时经常会使用CString::Format()来格式化字符串!但...
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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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Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注IT技能提升

...情况下可以把原有apache的rewrite规则加上引号就可以直接使用),它可以用在server,location 和IF条件判断块中,命令格式如下: rewrite 正则表达式替换目标flag标记 flag标记可以用以下几种格式: last - 基本上都用这个Flag。 break - ...
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Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注IT技能提升

...情况下可以把原有apache的rewrite规则加上引号就可以直接使用),它可以用在server,location 和IF条件判断块中,命令格式如下: rewrite 正则表达式替换目标flag标记 flag标记可以用以下几种格式: last - 基本上都用这个Flag。 break - ...
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Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注IT技能提升

...情况下可以把原有apache的rewrite规则加上引号就可以直接使用),它可以用在server,location 和IF条件判断块中,命令格式如下: rewrite 正则表达式替换目标flag标记 flag标记可以用以下几种格式: last - 基本上都用这个Flag。 break - ...